Conceptual Actual Emended Exam Questions With
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Q1. Which lab finding is most characteristic of pernicious anemia?
A) ↓MCV
B) ↑MCV
C) Normal MCV
D) ↓Ferritin
Answer: B
Rationale: Pernicious anemia is a macrocytic anemia, so MCV is elevated.
Q2. In pernicious anemia, folate levels are usually:
A) Normal or low
B) Always elevated
C) Absent
D) Unmeasurable
Answer: A
Rationale: Folate can be normal or low, distinguishing from isolated folate
deficiency.
Q3. Neurological complications in pernicious anemia are due to:
A) Folate deficiency
B) Vitamin B12 deficiency
C) Iron deficiency
D) Chronic blood loss
,Answer: B
Rationale: B12 deficiency causes neuropathy and cognitive changes.
Q4. Pernicious anemia is caused by lack of:
A) Intrinsic factor
B) Erythropoietin
C) Reticulocytes
D) Ferritin
Answer: A
Rationale: Autoimmune destruction of gastric parietal cells → intrinsic factor loss
→ impaired B12 absorption.
Q5. Which is the primary mechanism in hemolytic anemia?
A) Bone marrow suppression
B) Premature RBC destruction
C) Iron malabsorption
D) Decreased erythropoietin
Answer: B
Rationale: Hemolysis = premature RBC lysis.
Q6. Which of the following labs are typically normal in hemolytic anemia?
A) MCV
B) Reticulocyte count
C) Bilirubin
D) LDH
Answer: A
Rationale: MCV remains normal; reticulocytes and bilirubin increase.
,Q7. Which test confirms autoimmune hemolytic anemia?
A) ANA
B) Direct Coombs test
C) ESR
D) MMA
Answer: B
Rationale: Detects antibodies bound to RBCs.
Q8. A patient receives the wrong blood type transfusion. What develops?
A) Pernicious anemia
B) Hemolytic anemia
C) Aplastic anemia
D) Iron deficiency anemia
Answer: B
Rationale: Transfusion reaction → Type II hypersensitivity → hemolysis.
Q9. Hemolytic anemia may be caused by:
A) Drugs
B) Infections
C) Autoimmune disorders
D) All of the above
Answer: D
Rationale: All listed can trigger RBC lysis.
Q10. The hallmark of aplastic anemia is:
A) Elevated reticulocyte count
B) Pancytopenia due to bone marrow failure
C) Increased bilirubin
D) Microcytosis
, Answer: B
Rationale: Marrow failure → ↓RBCs, WBCs, and platelets.
Q11. Which reticulocyte finding supports aplastic anemia?
A) High reticulocyte count
B) Low reticulocyte count
C) Normal reticulocyte count
D) Reticulocytes not relevant
Answer: B
Rationale: Marrow fails to produce new RBCs → low retics.
Q12. Which infection is a known cause of aplastic anemia?
A) Influenza
B) Hepatitis
C) Tuberculosis
D) Lyme disease
Answer: B
Rationale: Hepatitis viruses can trigger aplastic anemia.
Q13. Acute post-hemorrhagic anemia is most often caused by:
A) Poor diet
B) GI bleeding or obstetric complications
C) Vitamin B12 deficiency
D) Autoimmune hemolysis
Answer: B
Rationale: Common causes are acute GI bleed or heavy blood loss at delivery.