BIOS 252 Week 6 Quiz Exam 1 (Latest
Update ) Anatomy and
Physiology IV with Lab | Questions &
Answers | 100% Correct | Grade A -
Chamberlain
1. The primary function of the lymphatic system is:
A. Oxygen transport
B. Immune defense and fluid balance
C. Blood clotting
D. Nutrient absorption only
Correct Answer: B
Rationale: The lymphatic system returns interstitial fluid to blood
and filters pathogens via lymph nodes.
2. Lymph is derived from:
A. Plasma
B. Interstitial fluid
C. RBCs
D. Platelets
Correct Answer: B
Rationale: Lymph forms when interstitial fluid enters lymphatic
vessels.
,3. Lymph nodes contain:
A. RBCs
B. WBCs
C. Platelets
D. Plasma only
Correct Answer: B
Rationale: Lymph nodes filter lymph and house lymphocytes and
macrophages.
4. Spleen functions include:
A. Filtering blood
B. Storing platelets
C. Destroying old RBCs
D. All of the above
Correct Answer: D
Rationale: The spleen participates in immunity, blood filtration, and
platelet storage.
5. Tonsils are located in:
A. Throat
B. Neck
C. Chest
D. Abdomen
Correct Answer: A
,Rationale: Tonsils trap pathogens entering through mouth and
nose.
6. The thymus is essential for:
A. T lymphocyte maturation
B. B lymphocyte activation
C. RBC production
D. Platelet aggregation
Correct Answer: A
Rationale: The thymus educates T cells for immune recognition.
7. Which WBC destroys virus-infected cells?
A. Neutrophils
B. Cytotoxic T cells
C. Basophils
D. Monocytes
Correct Answer: B
Rationale: Cytotoxic T cells recognize and kill infected host cells.
8. B lymphocytes produce:
A. Hormones
B. Antibodies
C. Histamine
D. Platelets
, Correct Answer: B
Rationale: B cells secrete antibodies to neutralize antigens.
9. Helper T cells:
A. Kill infected cells
B. Activate B cells and cytotoxic T cells
C. Produce antibodies
D. Form plasma
Correct Answer: B
Rationale: Helper T cells coordinate adaptive immune response.
10. Natural killer (NK) cells target:
A. RBCs
B. Tumor and virus-infected cells
C. Platelets
D. Plasma proteins
Correct Answer: B
Rationale: NK cells are part of innate immunity and destroy
abnormal cells.
11. Complement proteins function in:
A. Clotting
B. Immune defense
C. Oxygen transport
D. Plasma regulation
Update ) Anatomy and
Physiology IV with Lab | Questions &
Answers | 100% Correct | Grade A -
Chamberlain
1. The primary function of the lymphatic system is:
A. Oxygen transport
B. Immune defense and fluid balance
C. Blood clotting
D. Nutrient absorption only
Correct Answer: B
Rationale: The lymphatic system returns interstitial fluid to blood
and filters pathogens via lymph nodes.
2. Lymph is derived from:
A. Plasma
B. Interstitial fluid
C. RBCs
D. Platelets
Correct Answer: B
Rationale: Lymph forms when interstitial fluid enters lymphatic
vessels.
,3. Lymph nodes contain:
A. RBCs
B. WBCs
C. Platelets
D. Plasma only
Correct Answer: B
Rationale: Lymph nodes filter lymph and house lymphocytes and
macrophages.
4. Spleen functions include:
A. Filtering blood
B. Storing platelets
C. Destroying old RBCs
D. All of the above
Correct Answer: D
Rationale: The spleen participates in immunity, blood filtration, and
platelet storage.
5. Tonsils are located in:
A. Throat
B. Neck
C. Chest
D. Abdomen
Correct Answer: A
,Rationale: Tonsils trap pathogens entering through mouth and
nose.
6. The thymus is essential for:
A. T lymphocyte maturation
B. B lymphocyte activation
C. RBC production
D. Platelet aggregation
Correct Answer: A
Rationale: The thymus educates T cells for immune recognition.
7. Which WBC destroys virus-infected cells?
A. Neutrophils
B. Cytotoxic T cells
C. Basophils
D. Monocytes
Correct Answer: B
Rationale: Cytotoxic T cells recognize and kill infected host cells.
8. B lymphocytes produce:
A. Hormones
B. Antibodies
C. Histamine
D. Platelets
, Correct Answer: B
Rationale: B cells secrete antibodies to neutralize antigens.
9. Helper T cells:
A. Kill infected cells
B. Activate B cells and cytotoxic T cells
C. Produce antibodies
D. Form plasma
Correct Answer: B
Rationale: Helper T cells coordinate adaptive immune response.
10. Natural killer (NK) cells target:
A. RBCs
B. Tumor and virus-infected cells
C. Platelets
D. Plasma proteins
Correct Answer: B
Rationale: NK cells are part of innate immunity and destroy
abnormal cells.
11. Complement proteins function in:
A. Clotting
B. Immune defense
C. Oxygen transport
D. Plasma regulation
