ATI RN
Good Questions About the Immune System Questions
Question 1 of 5
CD4+ T-cells:
Correct Answer: A
Rationale: CD4+ T cells (helper) recognize MHCII peptides, not MHC1 (CD8+) or cytosolic processing alone.
Question 2 of 5
Rheumatoid arthritis is an _____________.disease that affects the_____________.
Correct Answer: C
Rationale: Rheumatoid arthritis is autoimmune , targeting joints; not allergic , nerves , or immunodeficiency .
Question 3 of 5
Which of the following immunoglobulin is the primary host defense against parasitic infections?
Correct Answer: D
Rationale: IgE defends against parasites via eosinophil activation; IgA is mucosal.
Question 4 of 5
The T and B lymphocytes are two types of cells involved in ______?
Correct Answer: B
Rationale: T and B cells drive acquired immunity ; not innate or passive .
Question 5 of 5
The specificity of an antibody is due to
Correct Answer: D
Rationale: The variable portion of heavy and light chain determines specificity by forming the antigen-binding site, unlike the Fc portion (effector function).