ATI RN
Questions on the Immune System Questions
Question 1 of 5
Which of the following immunity is obtained during a lifetime?
Correct Answer: A
Rationale: Acquired immunity develops over a lifetime, encompassing active and passive forms.
Question 2 of 5
Identify the class of antibody found in saliva and breast milk.
Correct Answer: A
Rationale: IgA protects mucosal surfaces like saliva and milk.
Question 3 of 5
An exaggerated immune response to substances that do not ordinarily harm the body is a(n):
Correct Answer: A
Rationale: Allergies are exaggerated responses to harmless substances.
Question 4 of 5
Natural killer cells
Correct Answer: C
Rationale: NK cells kill without sensitization; they are leukocytes , innate , and produce cytokines .
Question 5 of 5
The process by which cells non-specifically engulf material and enclose it within a vacuole in the cytoplasm is known as:
Correct Answer: D
Rationale: Phagocytosis is engulfment; chemotaxis is movement, cytolysis is lysis, pavementing is adhesion, and pragmatism is unrelated.