ATI RN
Questions on the Immune System Questions
Question 1 of 5
Which of the statements below describe a similarity between T and B cell receptors?
Correct Answer: B
Rationale: Both TCRs and BCRs activate via antigen binding to variable regions, unlike binding sites (BCR: 2, TCR: 1), chains (TCR: αβ, BCR: heavy/light), or secretion (BCR only).
Question 2 of 5
Monoclonal antibodies are produced by
Correct Answer: A
Rationale: Hybridomas , fused plasma and myeloma cells, produce monoclonal antibodies; others (B, C, D) don't inherently do so.
Question 3 of 5
A positive tuberculin test is an example of
Correct Answer: B
Rationale: Tuberculin test is Type IV , T-cell-mediated; not Type I or dermatitis variants (C, D).
Question 4 of 5
Which of the following immunoglobulin is produced early in the primary response to infection?
Correct Answer: D
Rationale: IgM is the first antibody in primary response; IgG follows later.
Question 5 of 5
Neutrophils, lymphocytes, basophils, eosinophils, and monocytes are examples of ______?
Correct Answer: A
Rationale: These are cellular barriers of innate immunity; not cytokines or physical .