ATI RN
Lymphatic System Test Questions Questions
Question 1 of 5
Antibody molecules may function by causing the
Correct Answer: B
Rationale: Antibodies agglutinate pathogens, clumping them for easier removal, not destroying complement, solubilizing, or crystallizing.
Question 2 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 3 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 4 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.
Question 5 of 5
Theoretically, type_____________ ______ blood can be donated to all persons because it lacks_____________ ______
Correct Answer: A
Rationale: Type O lacks antigens, making it universal; AB has antigens, A and O misstate.