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