ATI RN
Lymphatic System Multiple Choice Questions and Answers Questions
Question 1 of 5
Choose the correct statement about the lymph node:
Correct Answer: D
Rationale: Paracortex is the deep cortex with T-lymphocytes ; lymph flows from cortical to medullary sinuses (A is wrong), littoral cells are in spleen , efferent vessels exit at the hilum, not convex surface .
Question 2 of 5
What are the three main functions of the complement system?
Correct Answer: D
Rationale: Complement forms MACs , opsonizes , and attracts immune cells ; all are correct .
Question 3 of 5
Can T cells undergo hypermutation to change their affinity?
Correct Answer: B
Rationale: T cells don't undergo somatic hypermutation ; that's a B-cell process for antibody affinity.
Question 4 of 5
What is the purpose of autophagy in the presentation of self peptides by MHC II molecules in the thymus?
Correct Answer: C
Rationale: Autophagy enables MHC II to present intracellular self-peptides ; not foreign , tissue-specific is broader, MHC I uses TAP.
Question 5 of 5
Which of these would not be found in lymph fluid?
Correct Answer: D
Rationale: Erythrocytes are in blood, not lymph; proteins , ions , and neutrophils are present in lymph fluid.