ATI RN
Immune System Multiple Choice Questions and Answers Questions
Question 1 of 5
Which of the following antibody is a prominent antigen receptor expressed on B Cells?
Correct Answer: C
Rationale: IgM is the main B-cell receptor with IgD; IgG is secreted later.
Question 2 of 5
Fusion between a plasma cell and a tumour cell creates a
Correct Answer: D
Rationale: Hybridomas are formed by fusing plasma cells with tumor cells to produce monoclonal antibodies, unlike myelomas or lymphoblasts.
Question 3 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 4 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 5 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.