SZABMU AHS 2026 Blood Free Quiz 10

1. What is the enzymatic defect in TTP?

A. Platelet deficiency B. ADAMTS13 deficiency C. vWF excess D. Hemoglobin defect

2. What is the paradoxical finding in heparin-induced thrombocytopenia (HIT)?

A. Platelet destruction without thrombosis B. Thrombosis with low platelets C. Increased bleeding D. No effect

3. What are the features of essential thrombocythemia?

A. High platelets, risk of thrombosis and bleeding B. Low platelets C. High WBC D. High RBC

4. What is the common genetic mutation in polycythemia vera?

A. Low RBC B. High RBC (JAK2 mutation) C. High platelets D. High WBC

5. What does an elevated reticulocyte count suggest?

A. Low in anemia B. High in bone marrow failure C. Elevated in hemolysis D. Normal in all

6. Which RBC index is used to classify anemia by cell size?

A. Hemoglobin concentration B. MCV C. RBC count D. Hematocrit

7. What is aplastic anemia characterized by?

A. Pancytopenia B. Only anemia C. Only thrombocytopenia D. Only leukopenia

8. What is the hallmark of MDS?

A. Effective hematopoiesis B. Ineffective hematopoiesis C. Excess RBCs D. Excess platelets

9. What does plasmapheresis remove?

A. Removes RBCs B. Removes platelets C. Removes plasma D. Removes WBCs

10. What role does complement play in hemolytic disorders?

A. Is not involved in hemolysis B. Can cause hemolysis C. Only functions in phagocytosis D. Only in inflammation