ATI RN
Lymphatic System and Immunity Test Questions Questions
Question 1 of 5
Which cells are key to type IV hypersensitivity?
Correct Answer: B
Rationale: T cells mediate type IV (delayed); B cells are humoral, mast cells are type I, neutrophils are innate.
Question 2 of 5
White pulp of spleen: Is distinguished by the presence of the 'central artery'.
Correct Answer: A
Rationale: The central artery is a defining feature of white pulp, surrounded by lymphoid tissue.
Question 3 of 5
Which of the following is not likely to present in the lymph?
Correct Answer: A
Rationale: Lymph typically contains proteins, microorganisms, and macrophages, but red blood cells are primarily in the blood, not lymph, unless there's injury or pathology.
Question 4 of 5
All contain B-lymph except with T-lymphocyte
Correct Answer: D
Rationale: Paracortex is rich in T-lymphocytes; primary/secondary follicles and medullary cords contain B-lymphocytes.
Question 5 of 5
blood sinusoid of red pulp collect blood in
Correct Answer: C
Rationale: Blood sinusoids collect blood into venous sinuses in red pulp.