ATI RN
Chapter 20 The Lymphatic System and Immunity Sample Questions Questions
Question 1 of 5
Lymphatic capillaries resemble blood capillaries because lymphatic capillaries
Correct Answer: C
Rationale: Lymphatic capillaries resemble blood capillaries due to their endothelial lining, which allows fluid exchange, though their permeability and roles differ.
Question 2 of 5
trabecular artery in spleen circulation divide into
Correct Answer: D
Rationale: Trabecular arteries divide into follicular arterioles in white pulp.
Question 3 of 5
stimulates lymphocyte production
Correct Answer: C
Rationale: Thymosin stimulates general lymphocyte production.
Question 4 of 5
Choose the correct statement about splenic trabeculae:
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 .
Question 5 of 5
What is the role of NK cells in the innate immune system?
Correct Answer: B
Rationale: NK cells kill virus-infected and cancer cells ; they produce cytokines but aren't phagocytic or pain-related .