ATI RN
Lymphatic System Test Questions Questions
Question 1 of 5
Some complement proteins
Correct Answer: B
Rationale: Complement proteins enhance inflammation by attracting immune cells and promoting pathogen destruction, not inducing antibodies, NK cell activity, or replacing T cells.
Question 2 of 5
Which of the following statements is specific to gut chemical barriers?
Correct Answer: A
Rationale: Pepsin, a digestive enzyme in the stomach, acts as a gut-specific chemical barrier, unlike AMPs and lysozymes, which are broader innate defenses.
Question 3 of 5
Which statement(s) correctly describe antigen generation.
Correct Answer: D
Rationale: Antigen generation involves peptides for MHC, via exogenous, endogenous, or cross-presentation pathways, essential for adaptive immunity.
Question 4 of 5
Central tolerance: (negative selection)
Correct Answer: D
Rationale: Central tolerance (thymus) removes self-reactive T cells, supplemented by peripheral tolerance, preventing autoimmunity.
Question 5 of 5
Specific immunity can be acquired either naturally or artificially and involves
Correct Answer: A
Rationale: Specific immunity involves antibodies , antigens , and complement , all part of adaptive responses; thus, all of the below is correct.