ATI RN
Pediatric Immunization NCLEX Questions Ricci Questions
Question 1 of 5
Which of the following is NOT a major feature (characteristic) of the adaptive immune system?
Correct Answer: D
Rationale: Speed is a feature of innate immunity, not adaptive, which is characterized by specificity, diversity, and memory.
Question 2 of 5
Which of the following is NOT true regarding the complement system?
Correct Answer: C
Rationale: The complement system attracts phagocytes to foreign material, not self cells, making option c incorrect.
Question 3 of 5
What is the function of major histocompatibility complex (MHC) molecules?
Correct Answer: B
Rationale: MHC molecules present peptide antigens to T cells, enabling adaptive immune recognition.
Question 4 of 5
Which of the following is an agent (e.g. aluminum salts, oil-based, virosomes) often used to modify or augment the effects of a vaccine by stimulating the immune system to respond to the vaccine more vigorously, and thus providing increased immunity to a particular disease?
Correct Answer: D
Rationale: Adjuvants enhance vaccine efficacy by boosting immune responses, distinct from antigens or immunogens.
Question 5 of 5
Each antibody molecule contains heavy chains and light chains.
Correct Answer: D
Rationale: Each antibody has two heavy and two light chains, forming a Y-shaped structure.