With regard to the medullary sinuses of the lymph node: They filter lymph.

Correct Answer: A

Rationale: Medullary sinuses filter lymph as it passes through, with macrophages removing pathogens and debris.

Correct Answer: A

Rationale: Trabecular sinus separates lymphatic nodules from trabeculae in lymph nodes.

Correct Answer: D

Rationale: Trabecular arteries divide into follicular arterioles in white pulp.

Correct Answer: C

Rationale: Thymosin stimulates general lymphocyte production.

Correct Answer: A

Rationale: Splenic trabeculae are made of connective tissue cells and fibers ; they have elastic fibers and muscle , extend from capsule , and form irregular compartments .