ATI RN
Pediatric Immunity NCLEX Questions Questions
Question 1 of 5
Which complement pathway is activated by (and requires) antibodies, with IgM being particularly good at C1 binding?
Correct Answer: B
Rationale: The classical pathway requires antibodies, with IgM effectively binding C1.
Question 2 of 5
Most cases of septic shock are caused by gram organisms with the acting as the endotoxin in the disease.
Correct Answer: B
Rationale: Gram-negative bacteria are the most common cause of septic shock, and their lipopolysaccharide (LPS) endotoxin triggers the inflammatory response.
Question 3 of 5
Natural killer (NK) cells are excellent killers of cells infected by some They also have an additional role of stimulating the immune response.
Correct Answer: B
Rationale: NK cells target virus-infected cells and stimulate the adaptive immune response via cytokine production.
Question 4 of 5
Which of the following live vaccines is recommended for adults but not children?
Correct Answer: D
Rationale: Live attenuated influenza vaccine is recommended for certain adults, not routinely for children who receive inactivated versions.
Question 5 of 5
Which of the following diseases affects mature T cells?
Correct Answer: D
Rationale: BLS involves defective MHC expression, preventing mature T cell recognition of antigens.