Med-Surg · ATI / NCLEX focused

Anemia Study Guide

Decreased circulating oxygen, anemia patterns, transfusion care, prioritization, delegation, and medication review—organized for rapid nursing-exam recall.

18 objectives68 enumerated itemsLecture + web gap-fill

Fast review

Use these anchors first, then move through the objectives. Dense comparison content is now organized into cards and tables for faster review.

Quick note

Pattern recognition

Microcytic + hypochromic → iron deficiency. Macrocytic + neurologic findings → B12. Macrocytic without neuro findings → folate.

Quick note

Marrow vs destruction

Low reticulocytes point toward underproduction; high reticulocytes suggest compensation for blood loss or hemolysis.

Quick note

Bleeding & infection

Thrombocytopenia = bleeding risk. Severe neutropenia + fever = urgent infection evaluation.

Quick note

Transfusion first action

Suspected reaction → stop the transfusion immediately, assess ABCs/vitals, then follow the blood-bank reaction protocol.

How this guide is organized

Source Legend and Coverage Map

LectureInformation explicitly taught in the Anemia Lecture 2.7.23 is marked with the blue LECTURE tag or presented in lecture-labeled sections.

Web supplementInformation added because the original Unit 5 study guide asks for content not fully taught in the lecture is marked

Web supplementand supported in the References section.

Full study guide

All objectives are visible—no dropdowns. Use search or the objective links to move quickly.

No objective matches that search.

Objective 1

Define and use key hematology terms

LectureWeb supplementLecture definitions/patterns + [W1, W7-W10]

AAgranulocytosis

Severe deficiency of granulocytes, clinically driven mainly by very low neutrophils. Major danger: rapidly progressive bacterial or fungal infection. [Web supplement]

BErythropoiesis

Production of red blood cells in bone marrow. Tissue hypoxia stimulates renal erythropoietin (EPO), which signals marrow erythroid precursors to increase RBC production. [Web supplement]

CHemolysis

Premature RBC destruction. It may occur within blood vessels or in the spleen/liver and can raise bilirubin and LDH while lowering haptoglobin. [Web supplement]

DMegaloblastic anemia

Macrocytic anemia caused by impaired DNA synthesis. The lecture emphasizes vitamin B12 (cobalamin) and folate deficiency as major causes. [Lecture]

EPancytopenia

Decrease in all three major blood-cell lines: RBCs, WBCs, and platelets. Aplastic anemia is a classic example in this lecture. [Lecture]

FPolycythemia

Increase in red-cell mass/erythrocytes. Polycythemia vera can also increase granulocytes and platelets, producing hyperviscosity. [Lecture + Web]

GNeutropenia

Reduced neutrophil count. Severe neutropenia markedly increases bacterial and fungal infection risk; fever may be the only obvious sign. [Web supplement]

HTissue hypoxia

Inadequate oxygen availability at the tissue level. In anemia, reduced oxygen-carrying capacity causes compensatory cardiopulmonary responses and symptoms. [Lecture + Web]

IAnemia

Deficiency in the number of RBCs, the quantity of hemoglobin, or both. It is a manifestation of an underlying process rather than a single disease. [Lecture]

JMicrocytic / macrocytic

Microcytic RBCs are smaller than normal (low MCV); iron deficiency is the key association. Macrocytic RBCs are larger than normal (high MCV); B12 and folate deficiency are major megaloblastic causes. [Lecture + Web]

KThrombocytopenia

Decreased platelet count. The hallmark problem is bleeding rather than tissue hypoxia; expect petechiae, ecchymoses, and mucosal bleeding as the count falls. [Web supplement]

LIntrinsic factor

Glycoprotein made by gastric parietal cells that is required for normal vitamin B12 absorption in the terminal ileum. Pernicious anemia causes loss of intrinsic factor. [Lecture + Web]

MLeukopenia

Decreased total WBC count. Clinical risk depends on which leukocyte line is low; neutropenia is especially important for infection risk. [Web supplement]

NHemolytic anemia

Anemia caused by premature RBC destruction that exceeds bone marrow replacement. It may be intrinsic/hereditary or extrinsic/acquired. [Web supplement]

High-yield pattern: Microcytic + hypochromic = iron deficiency. Macrocytic/megaloblastic + neurologic findings = B12 deficiency. Macrocytic/megaloblastic without neurologic findings = folate deficiency. Pancytopenia = marrow failure such as aplastic anemia.

Objective 2

Effects of aging on the hematologic system

LectureWeb supplementLecture gerontologic slide + [W23]

Lecture: Anemia is common in older adults, especially with chronic disease and nutritional deficiencies. Symptoms can be overlooked or mistaken for normal aging.
Web supplement: Bone marrow cellularity tends to decline with age and marrow fat increases. Hematopoietic reserve is reduced, so the response to physiologic stress may be slower or less robust.
Web supplement: Age is associated with changes in hematopoietic stem cells and adaptive immunity and with a higher frequency of clonal hematologic disorders.
Web supplement: Anemia itself should not be dismissed as a normal aging change. New or unexplained anemia requires evaluation for nutritional deficiency, chronic inflammation/kidney disease, occult blood loss, marrow disorders, and other causes.

NCLEX/ATI-style cue: An older adult with new fatigue, dyspnea, pallor, falls, or cognitive/functional decline deserves assessment - do not label these findings as "just aging."

Objective 3

Assessment of pallor, cyanosis, inflammation, jaundice, ecchymosis, and petechiae

LectureWeb supplementLecture dark-skin assessment + [W24]

Finding	How to assess	Dark-skin / hematologic emphasis
Pallor	Inspect skin plus oral mucosa, conjunctiva, and nail beds. Compare with the patient's baseline.	Lecture: brown skin may appear yellow-brown; Black skin may appear ashen gray. Oral mucosa and nail beds are useful sites.
Cyanosis	Inspect lips, tongue/oral mucosa, nail beds, and conjunctiva; assess oxygenation and perfusion.	In darker skin, color change may appear gray/ashen rather than blue; mucous membranes are often more useful than heavily pigmented skin.
Inflammation	Inspect for swelling/color change and palpate for warmth, tenderness, and edema.	Redness may be subtle in darker skin, so warmth, swelling, pain/tenderness, and change from baseline are important.
Jaundice	Inspect sclera and oral mucosa; evaluate for bilirubin elevation/hemolysis when appropriate.	Lecture: in dark skin, check oral mucosa, hard palate, and sclera.
Petechiae	Look for pinpoint, nonblanching hemorrhagic spots; inspect skin and oral mucosa/hard palate.	Points toward platelet/vascular problems and may be easier to see on less-pigmented mucosal surfaces.
Ecchymosis	Inspect for larger nonblanching bruised areas and ask about spontaneous or excessive bruising.	Assess size, location, tenderness, trauma history, and new/worsening pattern; consider platelet/coagulation abnormalities.

Priority: Cyanosis, active bleeding, rapidly spreading petechiae with systemic illness, or new jaundice with instability warrants prompt evaluation. Use objective findings—oxygen saturation, vital signs, CBC/platelets, bilirubin—rather than skin color alone.

Objective 4

Diagnostic studies: significance and nursing responsibilities

LectureWeb supplementLecture diagnostic slides + [W1, W5, W6]

Reference intervals vary by laboratory and patient population. For course questions, use your instructor's lab-value sheet when a specific range is required.

Test	What it tells you	Nursing responsibility
A. Hemoglobin (Hgb)	Oxygen-carrying protein in RBCs. Low Hgb supports anemia; lecture uses Hgb to grade severity.	Verify specimen/identity; trend with symptoms and Hct. Report critical values per policy and assess hypoxia/bleeding if acutely low.
B. Hematocrit (Hct)	Percentage of blood volume made of RBCs. Usually decreases with anemia and is affected by hydration/volume status.	Trend with Hgb and clinical volume status. Consider acute bleeding and IV-fluid effects when interpreting changes.
C. Reticulocyte count	Shows marrow response. High = appropriate response to blood loss/hemolysis; low or inappropriately normal = underproduction/marrow failure.	No special bedside procedure beyond blood draw. Interpret with Hgb and the suspected cause of anemia.
D. Serum iron	Circulating iron bound mainly to transferrin. Often low in iron deficiency and inflammation.	Interpret with ferritin/TIBC rather than alone. Timing and supplements can affect results; follow lab collection instructions.
E. TIBC	Indirect estimate of transferrin iron-binding capacity. Typically increased in iron deficiency and decreased/normal in inflammation.	Interpret with serum iron and ferritin; do not diagnose iron deficiency from TIBC alone.
F. Occult blood	Detects hidden blood in stool and may identify chronic GI blood loss.	Collect correctly and avoid urine/toilet-water contamination. Follow the exact test-kit instructions; restrictions vary by test type.
G. Total bilirubin	Rises with heme breakdown; indirect bilirubin elevation supports hemolysis when paired with other findings.	Assess jaundice/dark urine and trend with LDH, haptoglobin, CBC/retic if hemolysis is suspected.
H. Vitamin B12	Low cobalamin supports B12 deficiency/megaloblastic anemia.	Assess neurologic symptoms and diet/GI history. Do not assume folate therapy is sufficient when B12 deficiency is possible.
I. Leukocytes (WBC)	Measures total WBCs. Low WBC/neutrophils increases infection risk.	Review differential/ANC when available; assess fever/infection immediately in severe neutropenia.
J. Platelets	Measures platelet number. Low values increase bleeding risk; clinical risk rises as counts fall.	Assess petechiae, ecchymosis, mucosal bleeding; use bleeding precautions and report critical counts per policy.
K. CBC	Provides Hgb/Hct, RBC indices, WBCs, and platelets. Central screening test for anemia and pancytopenia.	Compare all cell lines and trends; use MCV/MCH/MCHC plus retic/smear to narrow etiology.
L. Bone marrow aspiration / biopsy	Evaluates marrow cellularity, morphology, iron stores, and infiltrative/marrow-failure disorders. Aplastic anemia shows hypocellular marrow.	Confirm prep/consent per facility, review bleeding-risk meds/labs, support positioning, apply pressure/dressing afterward, and monitor for bleeding/infection.

High-yield reticulocyte rule: Anemia + high reticulocytes suggests the marrow is compensating (think blood loss or hemolysis). Anemia + low reticulocytes suggests inadequate production (nutrient deficiency, chronic disease, kidney/EPO problem, or marrow failure).

Objective 5

Compensatory mechanisms for tissue hypoxia caused by anemia

LectureWeb supplementLecture cardiopulmonary slide + [W1]

A. Blood redistribution

Web supplement: Peripheral blood flow can be reduced so oxygen delivery is prioritized to vital organs such as the brain and heart. This contributes to pallor/cool skin.

B. Increased cardiac output

Lecture: The lecture states that cardiac output is maintained by increasing heart rate and stroke volume. Expect tachycardia/palpitations and, when severe, cardiopulmonary symptoms.

C. Increased erythrocyte production

Web supplement: Tissue hypoxia stimulates renal erythropoietin, which signals bone marrow to increase RBC production. A functioning marrow plus adequate iron/B12/folate are required for an effective response.
Lecture: The lecture also notes increased unloading of oxygen from hemoglobin to tissues as another compensatory adaptation.

Clinical limit: Compensation can maintain function in slowly developing anemia, but it can fail with severe/rapid anemia or cardiopulmonary disease, leading to angina, dyspnea, syncope, or heart failure.

Objective 6

Common nursing diagnoses and teaching for anemia of any etiology

LectureWeb supplementLecture nursing-diagnosis slide + current nursing safety principles

Common nursing diagnoses / problems

Lecture: Fatigue related to decreased oxygen-carrying capacity.
Lecture: Imbalanced nutrition: less than body requirements when nutrient deficiency contributes.
Lecture: Ineffective self-health management / knowledge deficit related to cause-specific therapy and follow-up.
Web supplement: Activity intolerance and risk for injury/falls may be relevant when weakness, dizziness, or exertional dyspnea are present.

Teaching priorities

Web supplement: Balance activity with rest; increase activity gradually as symptoms improve.
Web supplement: Change positions slowly and use assistance if dizzy/weak; prevent falls.
Web supplement: Follow the cause-specific nutrition and medication plan and keep laboratory follow-up appointments.
Web supplement: Teach when to seek prompt care: chest pain, severe dyspnea, syncope, active bleeding, black/tarry stool, new fever with neutropenia, or new neurologic symptoms.
Web supplement: Do not stop iron/B12/folate therapy simply because symptoms improve; follow the prescribed duration. Lecture outcomes The lecture goals are return to normal activities of daily living, maintain adequate nutrition, and develop no complications related to anemia.

Objective 7

Clinical manifestations and nursing management of required hematologic problems

This objective is the core differential-diagnosis section. The lecture is used first for iron deficiency, B12/folate deficiency, aplastic anemia, polycythemia vera, and anemia of inflammation. Web supplementation fills the study- guide topics not fully taught in the lecture.

7A. Iron-deficiency anemia

LectureWeb supplementLecture slides 14-23 + [W1, W2, W24]

Lecture: Etiology: inadequate dietary intake, malabsorption, chronic blood loss (especially GI/GU in adults), and pregnancy/increased need. The lecture notes iron absorption occurs in the duodenum.
Lecture: RBC pattern: microcytic, hypochromic. Lecture: pallor is the most common finding; glossitis second; cheilitis also occurs.
Web supplement: Web lab pattern: low serum iron, low ferritin, increased TIBC, low Hgb/Hct, and often a low/inappropriately normal reticulocyte response until treatment begins.
Lecture: Lecture severity values: mild Hgb 10-12 g/dL, moderate 6-10 g/dL, severe <6 g/dL. Treat these as course- specific values rather than universal transfusion thresholds.

Lecture: Find the cause: stool guaiac, endoscopy/colonoscopy, and sometimes marrow evaluation may be used when indicated.
Lecture: Management: treat the source of deficiency/bleeding, improve nutrition, and replace iron. Packed RBCs may be used for selected severe/symptomatic cases.
Lecture: Oral iron: ferrous sulfate is best absorbed in an acidic environment. Liquid iron should be diluted and taken through a straw. GI effects include heartburn, constipation, and diarrhea.
Web supplement: Web teaching: iron commonly causes dark/black stools; liquid forms can stain teeth; keep iron away from children because overdose can be fatal.
Lecture: Parenteral iron may be used for malabsorption, oral intolerance, unusually high need, or poor adherence; IM iron may stain skin. Continue iron 2-3 months after Hgb normalizes per the lecture.

Recognition cue: Small + pale RBCs (microcytic/hypochromic) + chronic blood loss or poor iron availability = iron-deficiency anemia.

7B. Pernicious anemia / vitamin B12 deficiency

LectureWeb supplementLecture cobalamin slides + [W3]

Lecture: Pernicious anemia is caused by loss of intrinsic factor, leading to vitamin B12 malabsorption. Current sources describe it as an autoimmune gastric disorder.
Lecture: Other B12-risk situations from lecture: GI surgery, chronic GI disease, chronic alcohol use, long-term H2 blockers/PPIs, and strict vegetarian diets.
Lecture: RBC pattern: macrocytic/megaloblastic with low serum cobalamin; normal folate with low B12 supports B12 deficiency.
Lecture: GI findings: sore tongue, anorexia, nausea/vomiting, abdominal discomfort.
Lecture: Hallmark neurologic findings: paresthesias of hands/feet, decreased vibration/position sense, ataxia, weakness, and impaired thought processes.
Lecture: Treatment in lecture: parenteral or intranasal cobalamin. Long-standing neurologic injury may not be reversible; early recognition matters.
Web supplement: Web safety point: do not treat suspected B12 deficiency with folic acid alone; folate can improve the anemia while neurologic injury from B12 deficiency continues.

Recognition cue: Macrocytic/megaloblastic + neurologic symptoms = B12 deficiency until proven otherwise.

7C. Folic acid deficiency

LectureWeb supplementLecture folate slides + [W4, W20]

Lecture: Folate is required for DNA synthesis and RBC formation/maturation. Deficiency causes megaloblastic/macrocytic anemia.
Lecture: Lecture causes: dietary deficiency, malabsorption, medications, increased requirement, alcohol abuse/anorexia, and loss during hemodialysis.
Lecture: Key distinction: clinical manifestations can resemble B12 deficiency, but folate deficiency does NOT produce the characteristic neurologic deficits.
Web supplement: Labs: low serum folate with normal cobalamin. Current NIH guidance notes serum folate is sensitive to recent intake, and lab reference intervals vary.
Lecture: Treatment: folic acid replacement; the lecture gives a usual dose of 1 mg PO daily and encourages folate-rich foods.

Recognition cue: Macrocytic/megaloblastic anemia without neurologic findings = folate deficiency is a major possibility.

7D. Aplastic anemia

LectureWeb supplementLecture aplastic slides + [W7]

Lecture: Core problem: hypocellular bone marrow causing pancytopenia - decreased RBCs, WBCs, and platelets.
Lecture: Etiology: congenital/chromosomal or acquired. Lecture examples include ionizing radiation, chemical agents, and infections; current references also emphasize many idiopathic/immune-mediated cases and drug/toxin causes.
Web supplement: Manifestations follow the deficient cell line: anemia -> fatigue/dyspnea; neutropenia -> infection risk; thrombocytopenia -> bleeding/petechiae/ecchymosis.
Lecture: Diagnostics: low Hgb, WBCs, platelets, and reticulocytes; bone marrow is hypocellular with increased fat (yellow marrow).
Lecture: Lecture note: the slide lists elevated serum iron and TIBC. Current references emphasize cytopenias, low reticulocytes, and hypocellular marrow as the key diagnostic pattern rather than TIBC as a defining feature.
Lecture: Nursing priorities: prevent infection and hemorrhage, remove the causative exposure when possible, and provide supportive care.
Lecture: Treatment may include immunosuppressive therapy and hematopoietic stem-cell/bone marrow transplantation; transplant can be curative in selected patients.

Recognition cue: Pancytopenia + low reticulocytes + hypocellular fatty marrow = aplastic anemia.

7E. Acute blood-loss anemia

Web supplement[W1] plus emergency blood-loss principles

Web supplement: Cause: rapid hemorrhage from trauma, surgery, GI bleeding, obstetric bleeding, ruptured vessels, or other acute sources.
Web supplement: Early priority is loss of circulating volume/perfusion, not just the hemoglobin number. Expect tachycardia, weak pulses, hypotension/orthostasis, cool clammy skin, delayed capillary refill, decreased urine output, dizziness, and altered mental status as shock progresses.
Web supplement: RBC pattern is usually initially normocytic/normochromic. Reticulocytes rise later if marrow function is intact.
Web supplement: Nursing management: recognize hemorrhage, activate urgent help/rapid response when unstable, control bleeding when possible, maintain airway/oxygenation, obtain large-bore IV access as ordered, monitor vital signs/mental status/urine output, prepare for fluids and blood components, and trend CBC/coagulation studies.

Priority cue: Active bleeding + hypotension/tachycardia/mental-status change = treat as a perfusion emergency. Do not wait for a very low Hgb to act.

7F. Hemolytic anemia - general

LectureWeb supplementLecture jaundice concepts + [W1]

Web supplement: Definition: premature RBC destruction that exceeds marrow replacement.
Web supplement: Common manifestations: fatigue/pallor/dyspnea plus jaundice, dark urine/hemoglobinuria (especially intravascular hemolysis), and sometimes splenomegaly.
Web supplement: Typical lab pattern: increased reticulocytes, increased indirect bilirubin and LDH, and decreased haptoglobin. Peripheral smear findings depend on cause.
Web supplement: Nursing management: monitor oxygenation/perfusion, jaundice/urine color, Hgb and hemolysis labs; maintain hydration as appropriate; treat the cause; prepare for transfusion or disease-specific therapy when prescribed.

Recognition cue: Anemia + jaundice + reticulocytosis + high indirect bilirubin/LDH + low haptoglobin = think hemolysis.

7G. Chronic blood loss

LectureWeb supplementLecture iron-loss slide + [W1, W6]

Lecture: The lecture identifies chronic GI and GU loss as common adult causes of iron deficiency. Menstrual loss is another common source.
Web supplement: Because loss is slow, symptoms may develop gradually: fatigue, pallor, reduced exercise tolerance, dyspnea, and eventually iron-deficiency findings such as microcytosis/hypochromia.
Lecture: Management is two-part: identify/stop the source and replace iron. Stool occult-blood testing and GI evaluation may be appropriate when GI loss is suspected.

NCLEX cue: Do not stop at "low iron." In an adult with unexplained iron deficiency, look for the source of chronic blood loss.

7H. Intrinsic vs acquired hemolytic anemias

Web supplement[W1]

Category	Mechanism / examples	Nursing focus
Intrinsic / usually hereditary	The defect is within the RBC itself. Examples: sickle cell disease, thalassemia, hereditary spherocytosis, G6PD deficiency.	Management is disease-specific; avoid triggers when applicable and monitor for hemolytic crises/complications.
Extrinsic / usually acquired	The RBC is initially normal but is destroyed by an outside process. Examples: autoimmune hemolysis, incompatible transfusion, infection (e.g., malaria), mechanical destruction from devices/valves, or drugs/toxins.	Remove/treat the cause; immune cases may require corticosteroids or other immunotherapy; transfusion reactions require immediate transfusion-reaction management.

Lecture extension: anemia of chronic disease / inflammation

LectureWeb supplementLecture slides 33-35 + [W1]

Lecture: Associated with chronic inflammation, autoimmune/infectious disorders, heart failure, and malignancy.
Lecture: Lecture pattern: RBC underproduction with mildly shortened survival; usually normocytic, normochromic, hypoproliferative.
Web supplement: Lecture notes increased ferritin/iron stores with normal folate and B12. Current references commonly show low serum iron with low/normal TIBC and increased ferritin because iron is sequestered rather than absent.
Lecture: Best treatment is management of the underlying disease; transfusion is used selectively and erythropoietin may be used in specific situations.

7I. Polycythemia vera

LectureWeb supplementLecture slides 42-46 + [W11]

Lecture: A myeloproliferative neoplasm caused by a clonal mutation; current references identify JAK2 mutations in nearly all cases. The lecture describes increased erythrocytes, granulocytes, and platelets.
Lecture: Main physiologic problem: hyperviscosity and increased blood volume, producing organ congestion and thrombosis risk.
Lecture: Lecture findings: hypertension, splenomegaly, thrombophlebitis, hemorrhagic phenomena, ruddy face, epigastric pain, pruritus, and hyperuricemia/gout.
Web supplement: Management from lecture: phlebotomy, hydration, myelosuppressive agents, and allopurinol when needed for hyperuricemia. Current practice may also use low-dose aspirin and targeted agents depending on risk and contraindications.
Lecture: Teaching from lecture: stay well hydrated, elevate feet when sitting, perform ROM/exercise, use an electric shaver and soft toothbrush, and report chest pain.

Recognition cue: Polycythemia vera is NOT anemia. Think too many blood cells -> thick blood -> thrombosis/hyperviscosity, while bleeding can still occur.

7J. Neutropenia

Web supplement[W8]

Web supplement: Definition: reduced neutrophils/ANC. Severe neutropenia greatly increases bacterial and fungal infection risk.
Web supplement: Causes include chemotherapy/radiation, medications, infection, autoimmune disease, marrow failure, B12/folate deficiency, and severe undernutrition.
Web supplement: Signs of infection can be muted because the inflammatory response is weak; fever may be the only sign.
Web supplement: Nursing management: strict hand hygiene, assess temperature and infection symptoms frequently, protect skin/oral mucosa, avoid exposure to sick contacts according to facility guidance, and follow neutropenic precautions/policy.
Web supplement: Priority: fever in severe neutropenia is an emergency and requires immediate evaluation and empiric broad-spectrum antibiotics per protocol.

NCLEX cue: Neutropenia = infection problem. Fever matters more than a dramatic local inflammatory response because redness/pus may be minimal.

7K. Thrombocytopenia

Web supplement[W9, W10]

Web supplement: Definition: low platelet count due to decreased production, increased destruction/consumption, dilution, or splenic sequestration.
Web supplement: Expected manifestations: petechiae, purpura/ecchymoses, epistaxis, gingival bleeding, heavy menstrual bleeding, and other mucosal bleeding.
Web supplement: Nursing management: bleeding precautions - soft toothbrush, electric razor, minimize trauma, avoid unnecessary IM injections/rectal procedures, apply prolonged pressure after venipuncture, prevent falls, and avoid aspirin/NSAIDs unless specifically prescribed.
Web supplement: Report or act immediately for uncontrolled bleeding, melena/hematemesis, hematuria with instability, sudden severe headache, neurologic change, or signs of intracranial hemorrhage.

Objective 8

How thrombocytopenia differs from anemia

Web supplement[W1, W9, W10]

Feature	Anemia	Thrombocytopenia
Primary deficit	RBCs / hemoglobin	Platelets
Common etiologies	Decreased RBC production (nutrient deficiency or marrow failure), blood loss, increased RBC destruction/hemolysis, or chronic disease/inflammation.	Decreased platelet production/marrow suppression, increased destruction (immune or drug related), increased consumption (e.g., DIC), splenic sequestration, or dilution after massive transfusion.
Core physiologic problem	Reduced oxygen-carrying capacity → tissue hypoxia.	Impaired primary hemostasis → bleeding.
Common manifestations	Fatigue, pallor, weakness, dyspnea, tachycardia, dizziness.	Petechiae, ecchymoses, epistaxis, bleeding gums, heavy menses, mucosal bleeding.
Typical nursing focus	Oxygenation/perfusion, activity tolerance, nutrition, treat cause, monitor Hgb/Hct.	Bleeding precautions, injury prevention, platelet trend, assess overt/occult bleeding.
Major immediate danger	Severe hypoxia, ischemia, hemodynamic instability/hemorrhage depending on cause.	Life-threatening hemorrhage, especially intracranial or uncontrolled active bleeding.

Do not confuse them: Anemia can cause pallor and fatigue without petechiae. Thrombocytopenia can cause dramatic petechiae/bruising even when oxygen-carrying capacity is normal.

Objective 9

Food sources of iron, vitamin B12, and folate

LectureWeb supplementLecture encourages nutrition + [W2-W4]

Iron

Heme (better absorbed): lean red meat, seafood, poultry.

Nonheme: beans/lentils, spinach/leafy greens, nuts, seeds, fortified cereals/grains, some dried fruits.

Teaching: Vitamin C improves absorption of nonheme iron. The lecture emphasizes an acidic environment for iron absorption.

Vitamin B12

Fish/shellfish, meat, poultry, eggs, milk/dairy.

Fortified cereals or nutritional yeast can provide B12 for people avoiding animal foods.

Teaching: Strict vegetarian/vegan diets increase risk unless fortified foods or supplements provide adequate B12.

Folate

Dark green leafy vegetables, spinach, asparagus, Brussels sprouts, beans/peas, liver, avocado, citrus, enriched/fortified grain products.

Teaching: Pregnancy increases folate needs; alcohol use and malabsorption increase deficiency risk.

Objective 10

Nursing care for patients receiving blood transfusions

Web supplement[W12, W13] Use your school/facility policy for exact verification, tubing, vital-sign timing, and compatible solutions. The following reflects current safe transfusion principles and common NCLEX-style expectations.

Confirm a valid order/prescription, indication, informed consent, and any special product requirements. Assess history of previous transfusion reactions.
Ensure a patent appropriate IV. Obtain baseline temperature, pulse, respirations, blood pressure, and overall status; note pre-existing rash or respiratory findings.
Perform required bedside patient/product identification and compatibility checks with the required qualified staff according to policy. Never bypass the identity check.
Use an approved blood administration set/filter. For routine red-cell transfusion, 0.9% sodium chloride is the standard compatible crystalloid used to flush the line; do not mix medications into the blood line unless policy/product guidance specifically allows it.
Start slowly when clinically appropriate and remain/observe closely for the first 15 minutes, when severe acute reactions may appear after only a small volume.
Record vital signs/assessment at baseline, about 15 minutes after start, at completion, and more often as required by patient condition and policy. Visual observation continues throughout.
Complete each pack before its labeled expiry and within 4 hours of starting/removal from controlled storage, whichever is sooner, unless a more restrictive product/facility rule applies.
Teach the patient to report chills, fever, itching, hives, dyspnea, chest/back pain, nausea, or a sense that something is wrong immediately.
If a reaction is suspected: STOP the transfusion, assess ABCs/vitals, activate emergency support if needed, maintain appropriate IV access per local protocol, notify the provider and transfusion service/blood bank, recheck identifiers, and send required specimens/bag/tubing per policy. Do not casually restart the unit.

First 15 minutes: This is the highest-observation period because life-threatening reactions can occur after a small amount of blood has infused.

Objective 11

Blood products: components and nursing implications

Web supplement[W14-W16]

Blood product	Main components	Why it is given	Nursing implications
A. Packed RBCs	Concentrated donor RBCs with most plasma removed.	Increase red-cell mass/oxygen-carrying capacity in clinically significant symptomatic anemia or blood loss.	Use blood tubing/filter; verify compatibility; monitor closely for reactions and fluid overload.
B. Frozen / deglycerolized RBCs	RBCs preserved with glycerol for long-term frozen storage; glycerol removed before transfusion.	Often used for rare antigen phenotypes; provide RBC benefit when standard compatible units are unavailable/inappropriate.	Require specialized blood-bank processing. Treat as RBC transfusion; be alert for hemolysis if deglycerolization is inadequate.
C. Albumin	Plasma-derived albumin protein solution; a colloid, not an RBC component.	Expands intravascular volume in selected hypovolemic/hypoalbuminemic states; does not replace oxygen-carrying RBCs.	Monitor BP, lung sounds, edema, signs of volume overload/allergy; rate depends on concentration and patient status.
D. Platelets	Platelet concentrate collected by apheresis or pooled donations.	Treat/prevent bleeding from thrombocytopenia or platelet dysfunction when indicated.	Verify product/patient; monitor for reaction. Assess bleeding before and after; infusion rate follows product/policy.
E. Fresh frozen plasma (FFP)	Plasma containing all coagulation factors.	Replace multiple clotting factors in bleeding/coagulopathy or selected urgent indications; not a simple volume expander.	ABO compatibility matters. Monitor for allergic reaction and TACO; assess coagulation tests and clinical bleeding.
F. Cryoprecipitate	Concentrated cold-insoluble plasma proteins, especially fibrinogen; also factor VIII, XIII, vWF, fibronectin.	Treat acquired fibrinogen deficiency/dysfibrinogenemia, especially in major hemorrhage/DIC when indicated.	Monitor fibrinogen and clinical bleeding; follow pooling/dosing and transfusion-service instructions. Rh matching generally not required.

Objective 12

Acute transfusion reactions: causes, manifestations, management, prevention

Web supplement[W13]

Universal first action: If a transfusion reaction is suspected: STOP the transfusion immediately and assess the patient. Then follow your facility reaction protocol, notify the provider and transfusion service, maintain needed IV access, recheck identification, and obtain/send required specimens.

A1. Acute hemolytic

Cause: Usually ABO incompatibility from identification/clerical error; can also be other immune incompatibility.

Manifestations: Fever/chills, back/flank/chest pain, hypotension, tachycardia, dyspnea, dark urine/hemoglobinuria; may progress to shock, DIC, kidney injury.

Management: Stop; emergency assessment; support airway/BP/renal perfusion and urine output; blood-bank workup including repeat typing/DAT/hemolysis labs. Do not restart.

Prevention: Meticulous patient/product identification and compatibility checking.

A2. Delayed hemolytic

Cause: An anamnestic antibody response to a previously encountered RBC antigen; usually days to weeks after transfusion.

Manifestations: Unexpected fall or inadequate rise in Hgb, jaundice, fever, increased bilirubin/LDH, positive antibody testing/DAT.

Management: Notify provider/blood bank, evaluate hemolysis, provide antigen-negative compatible blood if further transfusion is needed.

Prevention: Document antibody history; future units should avoid the implicated antigen.

B. Febrile nonhemolytic

Cause: Recipient cytokine/leukocyte response after more serious causes of fever are excluded.

Manifestations: Fever rise, chills/rigors, headache, flushing; no evidence of hemolysis.

Management: Stop transfusion initially and evaluate for hemolysis/sepsis; antipyretic may be given. Restart only if mild, resolved, serious causes excluded, and policy/provider allows.

Prevention: Leukoreduced components reduce risk; routine premedication is not a substitute for evaluation.

C. Circulatory overload (TACO)

Cause: Transfusion volume/rate exceeds cardiovascular capacity; risk higher with older age, severe anemia, heart failure, renal disease, low body size.

Manifestations: Dyspnea, hypoxemia, hypertension, tachycardia, crackles, JVD/heart-failure signs, pulmonary edema.

Management: Stop; sit upright; oxygen; diuretics and heart-failure support as ordered; may require ventilatory support.

Prevention: Pre-transfusion risk assessment, slower rate, appropriate volume/product selection, and sometimes prophylactic diuretic per provider.

D. Allergic / anaphylactic

Cause: Reaction to donor plasma proteins/allergens; severe anaphylaxis may be associated with IgA deficiency in some patients.

Manifestations: Mild: hives/pruritus. Severe: wheeze/bronchospasm, angioedema, stridor, hypotension, GI symptoms, anaphylaxis.

Management: Stop. Mild reaction: antihistamine and reassessment; restart only if fully resolved and policy/provider permits. Severe: do NOT restart; airway, IM epinephrine, oxygen, IV fluids/emergency response.

Prevention: For recurrent severe reactions, specialist consultation; washed or specially selected components may be used.

E. Sepsis / bacterial contamination

Cause: Contaminated blood component; platelets have higher bacterial risk because of room-temperature storage.

Manifestations: High fever, rigors, severe chills, hypotension, tachycardia, nausea/vomiting, dyspnea, shock/collapse.

Management: Stop; treat as emergency sepsis, obtain patient/component cultures per protocol, begin broad- spectrum IV antibiotics promptly, support BP/organ perfusion.

Prevention: Aseptic collection/handling, correct storage, visual product checks, and bacterial risk-control processes. Never transfuse a suspicious/damaged component.

Objective 13

Autotransfusion / autologous transfusion

Web supplement[W18]

Web supplement: Autologous transfusion means the patient receives their own blood rather than allogeneic donor blood.
Web supplement: Preoperative autologous donation: blood is collected before an elective procedure and stored for that patient when significant blood loss is anticipated.
Web supplement: Perioperative options can include intraoperative cell salvage, postoperative blood recovery, and acute normovolemic hemodilution in appropriately equipped programs.
Web supplement: Advantages: avoids RBC alloimmunization and eliminates donor-to-recipient transmission risk from that unit; still requires strict identification, collection, storage, and reinfusion safety processes.

Web supplement: Limitations: not appropriate for every patient/procedure, requires planning/equipment, and collected units can still be wasted or contaminated/mishandled.

Objective 14

Situations requiring immediate nursing intervention - prioritization

LectureWeb supplementLecture danger signs + [W8-W13]

1. Airway / oxygenationStridor, severe dyspnea, or acute hypoxia gets immediate attention.

2. Perfusion / hemorrhageShock, hypotension, major bleeding, or falling LOC outrank routine care.

3. Infection / bleeding emergenciesFebrile severe neutropenia and critical bleeding require urgent escalation.

Situation	Red flags	Immediate nursing priority
Active hemorrhage / shock	Rapid bleeding, hypotension, tachycardia, altered mental status, cool clammy skin, falling urine output.	Activate emergency response; ABCs/perfusion, control bleeding, prepare IV/blood therapy, reassess frequently.
Severe symptomatic anemia	Chest pain, severe dyspnea, syncope, new confusion, marked tachycardia/hypotension.	Assess oxygenation/perfusion, stop exertion, notify provider/rapid response based on severity, prepare prescribed therapy/transfusion.
Suspected transfusion reaction	Fever/chills, hives, dyspnea, chest/back pain, hypotension, dark urine, sudden distress during transfusion.	STOP the transfusion first, assess ABCs, then follow the reaction protocol.
Febrile severe neutropenia	Fever in a patient with severe neutropenia, even without local signs.	Urgent cultures/evaluation and empiric broad-spectrum antibiotics per protocol.
Thrombocytopenia with critical bleeding	Uncontrolled bleeding, GI bleeding with instability, sudden severe headache, neurologic change.	Emergency evaluation for major/intracranial hemorrhage; bleeding precautions and blood products as ordered.
Polycythemia vera thrombosis warning	Chest pain, focal neurologic deficit, unilateral painful/swollen limb, sudden dyspnea.	Urgent evaluation for MI/stroke/DVT/PE; lecture specifically teaches reporting chest pain.

Objective 15

Tasks that may be delegated to assistive personnel (AP)

Web supplement[W17] Delegation depends on state law, patient stability, AP competency, and facility policy.

Core rule: The RN retains accountability for assessment, clinical judgment, teaching, evaluation, and appropriate supervision.

Appropriate for trained AP in a stable patient

Routine vital signs and pulse oximetry.
Assist with bathing, toileting, meals, ambulation, and positioning.
Measure intake/output and obtain weight.
Collect stool/urine specimens when trained and directed.
Promptly report visible bleeding, dizziness, dyspnea, weakness, or abnormal vital signs.

Keep with the RN

Initial or focused nursing assessment.
Interpretation of labs and deciding severity/priority.
Patient education and care-plan development/evaluation.
Blood-product verification/administration or transfusion-reaction assessment.
Medication administration unless a specific jurisdictional role explicitly permits it.
Triage or any task requiring clinical judgment.

Five-rights mindset: Delegate the right task, in the right circumstance, to the right person, with clear direction/communication and appropriate supervision/evaluation—and follow state/facility rules.

Objective 16

Interdisciplinary care

Web supplementTeam roles depend on the patient's cause and treatment needs.

Primary provider / hospitalistCoordinates diagnostic workup and treatment of the underlying cause.

HematologistComplex anemia, hemolysis, pancytopenia, marrow disorders, polycythemia vera, immunosuppressive therapy, transfusion planning.

Transfusion medicine / blood bankCompatibility testing, special components, reaction investigation, antibody history, massive transfusion support.

DietitianIron/B12/folate nutrition, malnutrition, vegetarian/vegan planning, renal/GI dietary constraints.

PharmacistIron, folate, B12, epoetin, drug interactions, anticoagulant/antiplatelet considerations, medication-related cytopenias.

GastroenterologyOccult/overt GI blood loss, endoscopy/colonoscopy, malabsorption disorders.

NephrologyCKD-related anemia, dialysis-associated issues, ESA/iron management.

OB/GYN / surgery / traumaMenstrual/obstetric bleeding or operative/traumatic blood loss requiring source control.

Case management / social workMedication access, nutrition resources, transportation, follow-up, and complex discharge needs.

Objective 17

Health promotion to reduce anemia risk

LectureWeb supplementLecture nutrition/underlying-cause emphasis + [W2-W4]

Web supplement: Eat a balanced diet with adequate iron, vitamin B12, and folate; pair plant/nonheme iron with vitamin C-rich foods to improve absorption.
Web supplement: Pregnancy increases iron and folate needs; follow prenatal supplementation and screening recommendations from the obstetric provider.
Web supplement: Identify and treat chronic blood loss rather than repeatedly replacing iron without finding the source.
Web supplement: Manage chronic inflammatory disease, kidney disease, and malabsorption disorders that impair RBC production or nutrient absorption.
Web supplement: Review long-term medications that can contribute to B12 deficiency or cytopenias and do not stop prescribed medications without provider guidance.
Web supplement: Limit harmful alcohol use because it contributes to poor nutrition and folate deficiency and can suppress marrow function.
Web supplement: Keep follow-up CBC/iron/B12/folate testing when indicated, especially after treatment or if symptoms recur.
Web supplement: Seek care for persistent fatigue/dyspnea, pica, unexplained bruising/bleeding, black/tarry stool, jaundice, or recurrent infections.

Objective 18

Medication profiles

LectureWeb supplementLecture medication teaching + [W19-W22]

Medication comparison: Iron, folate, and B12 replace building blocks. Epoetin stimulates marrow production. None fixes uncontrolled bleeding, marrow destruction, or a transfusion emergency by itself.

Review section

Rapid ATI / NCLEX-Style Differentiation

LectureWeb supplementExam-focused pattern recognition

Condition	Pattern	Hallmark clue	Key labs	Nursing / treatment focus
Iron deficiency	Microcytic + hypochromic	Pallor, glossitis, cheilitis; chronic GI/GU blood loss	Low iron/ferritin, high TIBC	Treat source + iron
B12 / pernicious	Macrocytic / megaloblastic	Neurologic symptoms + sore tongue	Low B12; normal folate	B12 replacement
Folate deficiency	Macrocytic / megaloblastic	Similar to B12 but no neurologic findings	Low folate; normal B12	Folic acid
Chronic disease	Usually normocytic / normochromic	Chronic inflammatory/medical disease	High ferritin/iron stores; low serum iron common	Treat underlying cause
Aplastic anemia	Pancytopenia	Anemia + infection + bleeding	Low retic; hypocellular fatty marrow	Infection/bleeding prevention; immunotherapy/BMT
Hemolytic anemia	Often normocytic with reticulocytosis	Jaundice, dark urine, splenomegaly	High retic/indirect bilirubin/LDH, low haptoglobin	Treat cause
Acute blood loss	Usually normocytic initially	Shock/perfusion signs if severe	Hgb/Hct trend + hemodynamics	Stop bleeding + resuscitate
Polycythemia vera	Too many cells — not anemia	Hyperviscosity, HTN, thrombosis, ruddy face, pruritus	Elevated cell counts; JAK2 common	Phlebotomy/hydration + risk-based therapy
Neutropenia	Low neutrophils / ANC	Infection risk; fever may be only sign	Low ANC	Fever = emergency
Thrombocytopenia	Low platelets	Petechiae, ecchymosis, mucosal bleeding	Low platelets	Bleeding precautions / treat cause

Five patterns to know: MICRO + HYPO = iron deficiency. MACRO + NEURO = B12. MACRO + no neuro = folate. PANCYTOPENIA = aplastic/marrow failure. Jaundice + high retic = hemolysis.

Review section

Coverage Verification

Coverage audit performed against the original 2-page Unit 5 study guide after drafting.

Numbered objectives18 / 18 addressed.

Enumerated objective/subobjective items68 / 68 addressed.

Lecture used as primary sourceYes — where the lecture contains the requested content.

Web supplementation usedYes — for aging detail, skin assessment, diagnostic nursing responsibilities, blood-loss/hemolytic topics, neutropenia, thrombocytopenia, nutrition, transfusion care, delegation, collaboration, health promotion, and medication profiles.

Course-vs-current-source cautions: The aplastic anemia slide lists elevated serum iron and TIBC; current references emphasize pancytopenia, low reticulocytes, and hypocellular marrow as defining findings. Lecture folate reference units appear unusual; use lab-specific ranges. Course Hgb severity cutoffs are preserved as course-specific values.

Review section

References and Web Supplement Sources

Primary course sources:

Samour, S., RN, MSN, CNE. Decreased Circulating Oxygen/Anemia. Course lecture PDF dated 2/7/23, provided by the student.
Unit 5 Anemia Study Guide - Health Need: Oxygen & Nutrition; Health Problem: Decreased Circulating Oxygen/Anemia. Course objective sheet provided by the student. Web sources used to fill lecture gaps (accessed September 2026):

W1. Merck Manual Professional - Evaluation of Anemia.

https://www.merckmanuals.com/professional/hematology/approach-to-the-patient-with-anemia/evaluation-of-anemia

W2. NIH Office of Dietary Supplements - Iron: Health Professional Fact Sheet. https://ods.od.nih.gov/factsheets/Iron- HealthProfessional/

W3. NIH Office of Dietary Supplements - Vitamin B12: Health Professional Fact Sheet. https://ods.od.nih.gov/factsheets/VitaminB12-HealthProfessional/

W4. NIH Office of Dietary Supplements - Folate: Health Professional Fact Sheet. https://ods.od.nih.gov/factsheets/Folate- HealthProfessional/

W5. MedlinePlus - Bone Marrow Tests. https: //medlineplus.gov/lab-tests/bone-marrow-tests/

W6. MedlinePlus - Fecal Occult Blood Test. https://medlineplus.gov/lab-tests/fecal-occult-blood-test-fobt/

W7. Merck Manual Professional - Aplastic Anemia. https://www.merckmanuals.com/professional/hematology/anemias- caused-by-deficient-erythropoiesis/aplastic-anemia

W8. Merck Manual Professional - Neutropenia.

https://www.merckmanuals.com/professional/hematology/leukopenias/neutropenia

W9. Merck Manual Professional - Overview of Platelet Disorders.

https://www.merckmanuals.com/professional/hematology/thrombocytopenia-and-platelet-dysfunction/overview-of-platelet-disorders

W10. Merck Manual Professional - Thrombocytopenia: Other Causes. https://www.merckmanuals.com/professional/hematology/thrombocytopenia-and-platelet-dysfunction/ thrombocytopenia-other-causes

W11. Merck Manual - Polycythemia Vera. https: //www.merckmanuals.com/home/blood-disorders/myeloproliferative- disorders/polycythemia-vera

W12. Australian Red Cross Lifeblood - Administration and Monitoring of Blood Components. https://www.lifeblood.com.au/health-professionals/clinical-practice/transfusion-process/administration

W13. Australian Red Cross Lifeblood - Management of Suspected Transfusion Reactions. https://www.lifeblood.com.au/health-professionals/clinical-practice/adverse-events/management-of-suspected- reactions

W14. Australian Red Cross Lifeblood - Use of Blood Components / FFP / Cryoprecipitate. https://www.lifeblood.com.au/health- professionals/clinical-practice/use-of-blood-components

W15. AABB - Circular of Information for the Use of Human Blood and Blood Components (Frozen/Deglycerolized RBCs). https://www.aabb.org/docs/default-source/default-document-library/resources/circular-of-information- watermark.pdf

W16. FDA - Albumin (Human). https: //www.fda.gov/vaccines-blood-biologics/approved-blood-products/albumin- human-none

W17. NCSBN - National Guidelines for Nursing Delegation. https://www.ncsbn.org/nursing-regulation/practice/delegation.page

W18. American Red Cross - Autologous and Directed Donations / AABB Perioperative Autologous Standards. https://www.redcrossblood.org/donate-blood/how-to-donate/types-of-blood-donations/autologous-and-directed- donations.html

W19. MedlinePlus - Iron Supplements / Taking Iron Supplements. https://medlineplus.gov/druginfo/meds/a682778.html

W20. DailyMed - Folic Acid 1 mg Tablet. https: //dailymed.nlm.nih.gov/dailymed/drugInfo.cfm?setid=ceedca87-e390-4123- 8de5-8c2a28bd0377

W21. DailyMed - Cyanocobalamin Injection. https://dailymed.nlm.nih.gov/dailymed/drugInfo.cfm?setid=064c6841-3ed2- 417f-a77c-a730785b6036

W22. DailyMed - Epogen (epoetin alfa). https: //dailymed.nlm.nih.gov/dailymed/lookup.cfm?setid=1f2d0b28-9cc5-4523- 80b8-637fdaf3f7a5

W23. NCBI/PMC - Bone Marrow, Thymus and Blood: Changes Across the Lifespan. https://pmc.ncbi.nlm.nih.gov/articles/PMC2805199/

W24. NCBI Bookshelf - Nursing Skills: Integumentary Assessment. https://www.ncbi.nlm.nih.gov/books/NBK593218/

Study strategy: First learn the five differentiation patterns on the rapid-review section. Then practice priority questions: oxygenation/perfusion for severe anemia, infection for neutropenia, bleeding for thrombocytopenia/aplastic anemia, and STOP THE TRANSFUSION for a suspected transfusion reaction.

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