ATI RN
Pediatric Immunization NCLEX Questions Questions
Question 1 of 5
Which of the following best describes complementary system
Correct Answer: B
Rationale: The complement system comprises proteins that enhance opsonization, inflammation, and lysis.
Question 2 of 5
Macrophages recognize microorganisms through the Interaction of their substances with what receptor?
Correct Answer: D
Rationale: Macrophages use pattern recognition receptors (PRRs) to detect microbial PAMPs.
Question 3 of 5
The classical and alternative pathways meet at complement component:
Correct Answer: A
Rationale: Both pathways converge at C3, where C3b amplifies complement activation.
Question 4 of 5
A 66-year-old man with advanced pancreatic cancer develops cachexia (loss of mass) Which cytokine is primarily responsible for the cachexia seen in certain patients with cancer or debilitating infections?
Correct Answer: D
Rationale: TNF-α drives cachexia by promoting muscle wasting and metabolic changes in cancer.
Question 5 of 5
A CD3pos cell that secretes perforin and granzyme is a:
Correct Answer: C
Rationale: CD3+ cytotoxic T cells (CD8+) secrete perforin and granzyme to kill target cells.