ATI RN
Immune System NCLEX Questions Questions
Question 1 of 5
can destroy infected cells.
Correct Answer: D
Rationale: Cytotoxic T cells destroy infected cells via perforin and granzymes, unlike macrophages (phagocytosis), plasma cells (antibodies), or B cells (humoral).
Question 2 of 5
Which of the components listed below forms the B cell antigen receptor?
Correct Answer: D
Rationale: The BCR includes Igα and Igβ signaling proteins with the antibody (e.g., IgG), making all components correct.
Question 3 of 5
Developing T cells first express pre T cell receptors:
Correct Answer: C
Rationale: Pre-TCRs appear in double-negative thymocytes, before CD4/CD8 expression.
Question 4 of 5
B-cells do which of the following?
Correct Answer: D
Rationale: B-cells process antigens , produce antibodies , and become plasma cells , so all are true.
Question 5 of 5
Agammaglobulinemia is an immunodeficiency disease due to a deficiency in:
Correct Answer: A
Rationale: Agammaglobulinemia lacks B cells , impairing antibodies; not T cells or others (B, C, D).