ATI RN
Immune System Questions Questions
Question 1 of 5
Which DOES NOT provide long-term immunity?
Correct Answer: B
Rationale: Passive immunity is short-term, relying on transferred antibodies; active immunity (A, C) generates long-term memory.
Question 2 of 5
Which of the following antibody is an important host defense against encapsulated bacteria?
Correct Answer: B
Rationale: IgG2 targets polysaccharides on encapsulated bacteria; others (A, C, D) are less specific.
Question 3 of 5
Which of the following system's job is to protect our body against disease-causing microbes?
Correct Answer: B
Rationale: Immune system defends against microbes; others (A, C, D) don't.
Question 4 of 5
Which of the following immune cells/molecules are most effective at destroying intracellular pathogens?
Correct Answer: D
Rationale: T cytolytic cells (Tc cells) and Natural killer cells kill infected host cells which are harbouring intracellular pathogens, unlike antibodies or B cells (extracellular focus).
Question 5 of 5
Which of the following is not an acute phase protein:
Correct Answer: A
Rationale: Chondroitin sulfate is a structural molecule, not an acute phase protein like CRP or fibrinogen.