Update ) Anatomy and
Physiology IV with Lab | Questions &
Answers | 100% Correct | Grade A -
Chamberlain
1. What is the main function of red blood cells?
A. Immune defense
B. Oxygen transport
C. Clotting
D. Hormone production
Correct Answer: B. Oxygen transport
Rationale: RBCs carry oxygen using hemoglobin.
2. Which protein carries oxygen in the blood?
A. Albumin
B. Globulin
C. Hemoglobin
D. Fibrin
Correct Answer: C. Hemoglobin
Rationale: Hemoglobin binds oxygen molecules.
,3. Which cells are responsible for clotting?
A. RBCs
B. Platelets
C. WBCs
D. Plasma
Correct Answer: B. Platelets
Rationale: Platelets initiate clot formation.
4. Which blood type is universal donor?
A. A
B. B
C. AB
D. O negative
Correct Answer: D. O negative
Rationale: Lacks A, B, and Rh antigens.
5. Which blood type is universal recipient?
A. O-
B. AB+
C. A+
D. B-
Correct Answer: B. AB+
Rationale: Can receive all blood types.
6. What is hematopoiesis?
,A. Clotting
B. Blood formation
C. Oxygen transport
D. Immune response
Correct Answer: B. Blood formation
Rationale: Occurs in bone marrow.
7. What stimulates RBC production?
A. High oxygen
B. Low oxygen
C. High glucose
D. Low calcium
Correct Answer: B. Low oxygen
Rationale: Hypoxia triggers erythropoietin.
8. Which organ produces erythropoietin?
A. Liver
B. Kidney
C. Heart
D. Lung
Correct Answer: B. Kidney
Rationale: Kidneys regulate RBC production.
9. Which WBC is most abundant?
, A. Basophils
B. Neutrophils
C. Monocytes
D. Eosinophils
Correct Answer: B. Neutrophils
Rationale: First responders to infection.
10. What is anemia?
A. High RBC
B. Low hemoglobin
C. High WBC
D. Low platelets
Correct Answer: B. Low hemoglobin
Rationale: Reduces oxygen transport.
11. What is hemostasis?
A. RBC formation
B. Stopping bleeding
C. Immune response
D. Oxygen transport
Correct Answer: B. Stopping bleeding
Rationale: Includes clotting processes.
12. Which protein forms clot mesh?