20 MCQs To Test Your Knowledge On RBCs

1. What is the primary function of RBCs?

A) To fight infections

B) To transport oxygen

C) To regulate blood pressure

D) To aid in blood clotting

2. What is the average lifespan of an RBC?

A) 30 days

B) 90 days

C) 120 days

D) 180 days

3. What is the shape of a normal RBC?

A) Spherical

B) Oval

C) Disk-shaped

D) Irregular

4. What is the main component of RBCs?

A) Hemoglobin

B) Plasma

C) Platelets

D) White blood cells

5. Which nutrient is essential for RBC production?

A) Vitamin B12

B) Iron

C) Folate

D) All of the above

6. What is the process of RBC formation called?

A) Erythropoiesis

B) Leukopoiesis

C) Thrombopoiesis

D) Hematopoiesis

7. Which hormone regulates RBC production?

A) Erythropoietin

B) Testosterone

C) Insulin

D) Thyroid hormone

8. What is the normal RBC count for an adult male?

A) 4-5 million/μL

B) 5-6 million/μL

C) 4.5-5.5 million/μL

D) 3-4 million/μL

9. What condition results from a deficiency of RBCs?

A) Anemia

B) Leukemia

C) Thrombocytopenia

D) Polycythemia

10. What is the term for abnormal RBC shape?

A) Poikilocytosis

B) Anisocytosis

C) Spherocytosis

D) All of the above

11. Which disease is characterized by abnormal hemoglobin?

A) Sickle cell anemia

B) Thalassemia

C) Anemia

D) Leukemia

12. What is the purpose of the Rh factor?

A) To determine blood type

B) To aid in blood clotting

C) To regulate immune response

D) To transport oxygen

13. What is the normal hemoglobin level for an adult male?

A) 12-15 g/dL

B) 13.5-17.5 g/dL

C) 10-12 g/dL

D) 8-10 g/dL

14. Which vitamin deficiency can lead to anemia?

A) Vitamin B12

B) Folate

C) Vitamin C

D) All of the above

15. What is the term for excessive RBC breakdown?

A) Hemolysis

B) Hemorrhage

C) Thrombosis

D) Embolism

16. Which condition results from a surplus of RBCs?

A) Polycythemia

B) Anemia

C) Leukemia

D) Thrombocytopenia

17. What is the primary site of RBC production in adults?

A) Bone marrow

B) Spleen

C) Liver

D) Lymph nodes

18. Which test measures RBC count and hemoglobin level?

A) CBC

B) Blood chemistry

C) Urinalysis

D) Imaging studies

19. What is the term for RBC membrane abnormalities?

A) Spherocytosis

B) Elliptocytosis

C) Poikilocytosis

D) All of the above

20. Which disease is characterized by RBC fragmentation?

A) Sickle cell anemia

B) Thalassem

C) Eliptocytosis

D) Option A & C

ANSWER KEY:-

1(B) 2(C) 3(C) 4(A) 5(D) 6(A) 7(A) 8(C) 9(A) 10(D) 11(A) 12(A) 13(B) 14(D) 15(A) 16(A)  17(A)  18(A)  19(D)  20(D)