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1. Which of the following is NOT a component of the lymphatic system?
A. Tonsils
B. Spleen
C. Liver
D. Lymph nodes
Answer: C. Liver
Rationale: The liver is not a component of the lymphatic system, it is a
part of the digestive system.
2. Which of the following is responsible for the production of
lymphocytes?
A. Red bone marrow
B. White blood cells
C. Thymus gland
D. Basophils
Answer: A. Red bone marrow
Rationale: Red bone marrow is responsible for the production of
lymphocytes, which are key components of the immune system.
3. The primary function of lymphatic vessels is to:
A. Transport oxygen throughout the body
B. Carry nutrients to cells
C. Drain excess fluid from tissues
D. Produce antibodies
Answer: C. Drain excess fluid from tissues
Rationale: Lymphatic vessels help drain excess fluid from tissues and
return it to the bloodstream.
4. Which of the following organs is NOT considered a primary lymphoid
organ?
A. Thymus gland
B. Tonsils
C. Spleen
D. Appendix
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