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1. What is the main function of red blood cells (RBCs)? - Correct Answer:
To transport oxygen and carbon dioxide
2. Which blood component plays a crucial role in blood clotting and wound
healing? - Correct Answer: Platelets
3. What is the primary component of hemoglobin that binds oxygen? -
Correct Answer: Iron (Fe²⁺)
4. Which type of anemia results from vitamin B12 deficiency? - Correct
Answer: Pernicious anemia
5. A patient presents with pallor, fatigue, and shortness of breath. Lab results
show low hemoglobin and hematocrit levels. What is the most likely
diagnosis? - Correct Answer: Anemia
6. Which type of anemia is caused by the destruction of red blood cells? -
Correct Answer: Hemolytic anemia
, 7. What is the primary site of red blood cell (RBC) production in adults? -
Correct Answer: Bone marrow
8. Which clotting pathway is activated by tissue factor (Factor III) upon
vascular injury? - Correct Answer: Extrinsic pathway
9. Which of the following factors is NOT part of the common pathway of
coagulation? - Correct Answer: Factor VII
10.Hemophilia A is caused by a deficiency in which clotting factor? -
Correct Answer: Factor VIII
11.A prolonged activated partial thromboplastin time (aPTT) suggests a defect
in which clotting pathway? - Correct Answer: Intrinsic pathway
12.Which anticoagulant protein inhibits thrombin and Factor Xa? - Correct
Answer: Antithrombin III
13.Which type of white blood cell is most abundant in the blood? - Correct
Answer: Neutrophils
14.Which type of leukemia is most common in children? - Correct Answer:
Acute lymphoblastic leukemia (ALL)