BIOS 256 WEEK 5 FINAL QUIZ EXAM
(Latest Update ) Anatomy and
Physiology IV with Lab | Questions &
Answers | 100% Correct | Grade A –
Chamberlain
1. What is the primary function of hemoglobin?
A. Fight infection
B. Transport oxygen
C. Clot blood
D. Produce antibodies
Correct Answer: B
Rationale: Hemoglobin binds oxygen in the lungs and transports it
to body tissues.
2. Which WBC is most abundant in circulation?
A. Lymphocytes
B. Neutrophils
C. Monocytes
D. Eosinophils
,Correct Answer: B
Rationale: Neutrophils make up the largest percentage of white
blood cells.
3. Which WBC increases in parasitic infections?
A. Neutrophils
B. Eosinophils
C. Basophils
D. Lymphocytes
Correct Answer: B
Rationale: Eosinophils release toxic granules to destroy parasites.
4. Which WBC releases histamine?
A. Neutrophils
B. Basophils
C. Eosinophils
D. Monocytes
Correct Answer: B
Rationale: Basophils release histamine to promote inflammation.
5. Which WBC produces antibodies?
A. T cells
B. NK cells
,C. B cells
D. Monocytes
Correct Answer: C
Rationale: B cells differentiate into plasma cells that secrete
antibodies.
6. Which WBC matures in the thymus?
A. B cells
B. T cells
C. NK cells
D. Monocytes
Correct Answer: B
Rationale: T cells mature in the thymus to perform cellular
immunity.
7. Which WBC kills virus-infected cells without prior exposure?
A. B cells
B. T cells
C. NK cells
D. Monocytes
Correct Answer: C
Rationale: NK cells act as part of innate immunity and destroy
infected cells spontaneously.
, 8. Which plasma protein maintains osmotic pressure?
A. Globulin
B. Albumin
C. Fibrinogen
D. Hemoglobin
Correct Answer: B
Rationale: Albumin helps maintain blood volume by preventing
fluid loss.
9. Which plasma protein forms fibrin during clotting?
A. Albumin
B. Globulin
C. Fibrinogen
D. Hemoglobin
Correct Answer: C
Rationale: Fibrinogen is converted to fibrin to form a clot.
10. Which WBC is first to respond to bacterial infection?
A. Lymphocytes
B. Neutrophils
C. Monocytes
D. Basophils
(Latest Update ) Anatomy and
Physiology IV with Lab | Questions &
Answers | 100% Correct | Grade A –
Chamberlain
1. What is the primary function of hemoglobin?
A. Fight infection
B. Transport oxygen
C. Clot blood
D. Produce antibodies
Correct Answer: B
Rationale: Hemoglobin binds oxygen in the lungs and transports it
to body tissues.
2. Which WBC is most abundant in circulation?
A. Lymphocytes
B. Neutrophils
C. Monocytes
D. Eosinophils
,Correct Answer: B
Rationale: Neutrophils make up the largest percentage of white
blood cells.
3. Which WBC increases in parasitic infections?
A. Neutrophils
B. Eosinophils
C. Basophils
D. Lymphocytes
Correct Answer: B
Rationale: Eosinophils release toxic granules to destroy parasites.
4. Which WBC releases histamine?
A. Neutrophils
B. Basophils
C. Eosinophils
D. Monocytes
Correct Answer: B
Rationale: Basophils release histamine to promote inflammation.
5. Which WBC produces antibodies?
A. T cells
B. NK cells
,C. B cells
D. Monocytes
Correct Answer: C
Rationale: B cells differentiate into plasma cells that secrete
antibodies.
6. Which WBC matures in the thymus?
A. B cells
B. T cells
C. NK cells
D. Monocytes
Correct Answer: B
Rationale: T cells mature in the thymus to perform cellular
immunity.
7. Which WBC kills virus-infected cells without prior exposure?
A. B cells
B. T cells
C. NK cells
D. Monocytes
Correct Answer: C
Rationale: NK cells act as part of innate immunity and destroy
infected cells spontaneously.
, 8. Which plasma protein maintains osmotic pressure?
A. Globulin
B. Albumin
C. Fibrinogen
D. Hemoglobin
Correct Answer: B
Rationale: Albumin helps maintain blood volume by preventing
fluid loss.
9. Which plasma protein forms fibrin during clotting?
A. Albumin
B. Globulin
C. Fibrinogen
D. Hemoglobin
Correct Answer: C
Rationale: Fibrinogen is converted to fibrin to form a clot.
10. Which WBC is first to respond to bacterial infection?
A. Lymphocytes
B. Neutrophils
C. Monocytes
D. Basophils
