ATI RN
Pediatric Immunity NCLEX Questions Questions
Question 1 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 2 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 3 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.
Question 4 of 5
A young patient presents with severe infections from encapsulated bacteria and collagen vascular disease. Lab work confirms a diagnosis via CH50 and AP50. Which of the following is the most likely?
Correct Answer: D
Rationale: C3 deficiency impairs opsonization, leading to infections with encapsulated bacteria and immune complex diseases.
Question 5 of 5
A patient presents with symptoms similar to DiGeorge's syndrome. It is determined that the patient's TH cells are unable to develop. Which of the following is the most likely?
Correct Answer: C
Rationale: Bare lymphocyte syndrome prevents TH cell development due to absent MHC class II expression.