ATI RN
Immune System Multiple Choice Questions and Answers Questions
Question 1 of 5
The study of the immune system in all organisms is known as?
Correct Answer: D
Rationale: Immunology studies the immune system; not microbiology or others (B, C).
Question 2 of 5
The major function of Plasma cells is to secrete large amounts of antibody. Which of the following statements regarding plasma cells is correct?
Correct Answer: C
Rationale: Plasma cells, from B cells, have extensive rough ER for antibody synthesis, not thin cytoplasm.
Question 3 of 5
Which of the following statements about AIDS is true?
Correct Answer: C
Rationale: Most AIDS deaths are from opportunistic infections like pneumonia ; not highly infectious or low fatality .
Question 4 of 5
Echinoderms have immune systems similar to bony fish in that they possess T and B lymphocytes
Correct Answer: B
Rationale: Echinoderms lack adaptive immunity (T/B cells); bony fish have it.
Question 5 of 5
Which of the following can inhibit Inflammation?
Correct Answer: C
Rationale: Protein C inhibits inflammation; TNF-α promotes it.