BIOS 252 Week 1 Quiz Exam 2 (Latest
Update ) Anatomy and
Physiology IV with Lab | Questions &
Answers | 100% Correct | Grade A -
Chamberlain
1. What is the primary function of the lymphatic system?
A. Oxygen transport
B. Waste excretion
C. Immune defense and fluid balance
D. Hormone production
Correct answer: C
Rationale: The lymphatic system returns interstitial fluid to the
blood and helps fight infections.
2. Which lymphatic organ filters blood and stores lymphocytes?
A. Thymus
B. Spleen
C. Lymph nodes
D. Bone marrow
,Correct answer: B
Rationale: The spleen filters blood, removes old RBCs, and stores
lymphocytes.
3. Where are B lymphocytes primarily produced?
A. Thymus
B. Bone marrow
C. Spleen
D. Lymph nodes
Correct answer: B
Rationale: B cells mature in the bone marrow and produce
antibodies.
4. Where do T lymphocytes mature?
A. Bone marrow
B. Thymus
C. Spleen
D. Lymph nodes
Correct answer: B
Rationale: T cells migrate to the thymus to mature before entering
circulation.
5. Which lymphatic vessels carry lymph toward the heart?
,A. Afferent lymphatic vessels
B. Efferent lymphatic vessels
C. Capillaries
D. Arterioles
Correct answer: B
Rationale: Efferent lymphatic vessels transport filtered lymph from
lymph nodes toward the thoracic duct and heart.
6. What is lymph primarily composed of?
A. Red blood cells
B. Interstitial fluid
C. Platelets
D. Plasma proteins
Correct answer: B
Rationale: Lymph is derived from interstitial fluid that bathes
tissues.
7. Which structure prevents backflow of lymph?
A. Valves
B. Capillaries
C. Arteries
D. Veins
, Correct answer: A
Rationale: Lymphatic vessels have valves to ensure one-way flow
toward the heart.
8. Which lymphatic organ is large in infants but shrinks in
adults?
A. Thymus
B. Spleen
C. Lymph nodes
D. Tonsils
Correct answer: A
Rationale: The thymus is largest during childhood and undergoes
involution in adults.
9. Which type of lymphocyte directly destroys infected or
abnormal cells?
A. Cytotoxic T cells
B. B cells
C. Helper T cells
D. NK cells
Correct answer: A
Rationale: Cytotoxic T cells target virus-infected or tumor cells.
10. Which lymphatic structure absorbs dietary lipids?
Update ) Anatomy and
Physiology IV with Lab | Questions &
Answers | 100% Correct | Grade A -
Chamberlain
1. What is the primary function of the lymphatic system?
A. Oxygen transport
B. Waste excretion
C. Immune defense and fluid balance
D. Hormone production
Correct answer: C
Rationale: The lymphatic system returns interstitial fluid to the
blood and helps fight infections.
2. Which lymphatic organ filters blood and stores lymphocytes?
A. Thymus
B. Spleen
C. Lymph nodes
D. Bone marrow
,Correct answer: B
Rationale: The spleen filters blood, removes old RBCs, and stores
lymphocytes.
3. Where are B lymphocytes primarily produced?
A. Thymus
B. Bone marrow
C. Spleen
D. Lymph nodes
Correct answer: B
Rationale: B cells mature in the bone marrow and produce
antibodies.
4. Where do T lymphocytes mature?
A. Bone marrow
B. Thymus
C. Spleen
D. Lymph nodes
Correct answer: B
Rationale: T cells migrate to the thymus to mature before entering
circulation.
5. Which lymphatic vessels carry lymph toward the heart?
,A. Afferent lymphatic vessels
B. Efferent lymphatic vessels
C. Capillaries
D. Arterioles
Correct answer: B
Rationale: Efferent lymphatic vessels transport filtered lymph from
lymph nodes toward the thoracic duct and heart.
6. What is lymph primarily composed of?
A. Red blood cells
B. Interstitial fluid
C. Platelets
D. Plasma proteins
Correct answer: B
Rationale: Lymph is derived from interstitial fluid that bathes
tissues.
7. Which structure prevents backflow of lymph?
A. Valves
B. Capillaries
C. Arteries
D. Veins
, Correct answer: A
Rationale: Lymphatic vessels have valves to ensure one-way flow
toward the heart.
8. Which lymphatic organ is large in infants but shrinks in
adults?
A. Thymus
B. Spleen
C. Lymph nodes
D. Tonsils
Correct answer: A
Rationale: The thymus is largest during childhood and undergoes
involution in adults.
9. Which type of lymphocyte directly destroys infected or
abnormal cells?
A. Cytotoxic T cells
B. B cells
C. Helper T cells
D. NK cells
Correct answer: A
Rationale: Cytotoxic T cells target virus-infected or tumor cells.
10. Which lymphatic structure absorbs dietary lipids?
