ATI RN
Questions on Immune System Questions
Question 1 of 5
Monoclonal antibodies are produced
Correct Answer: A
Rationale: Monoclonal antibodies come from hybridomas (B cell-tumor cell fusions), producing identical antibodies, not from pregnancy, infection, or B-T cell fusion.
Question 2 of 5
Complete the following sentence. A genetic feature that contributes to the diversity of MHC molecules involves....
Correct Answer: A
Rationale: MHC diversity arises from codominant expression of alleles from both parental haplotypes, enhancing antigen presentation variety.
Question 3 of 5
T cells that express γ δ chains:
Correct Answer: A
Rationale: γδ T cells have innate-like roles, often lack CD4/CD8, and recognize non-MHC antigens.
Question 4 of 5
Isotypes refers to variations in the:
Correct Answer: A
Rationale: Isotypes (e.g., IgG, IgM) differ in heavy chain constant regions ; variable regions (B, D) determine specificity, not isotype.
Question 5 of 5
Production of autoantibodies may be due to:
Correct Answer: D
Rationale: All (A, B, C) can cause autoantibodies; thus, D is correct.