ATI RN
Good Questions About the Immune System Questions
Question 1 of 5
Opsonization refers to
Correct Answer: C
Rationale: Opsonization coats pathogens with antibodies/complement for phagocytosis; not adherence , inactivation , or degranulation .
Question 2 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 3 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 4 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).
Question 5 of 5
Polymorphonuclear neutrophils attack bacteria:
Correct Answer: A
Rationale: Neutrophils primarily phagocytose bacteria, using both oxygen-dependent and independent mechanisms.