ATI RN
Questions on the Immune System Questions
Question 1 of 4
Identify the class of antibody found in saliva and breast milk.
Correct Answer: A
Rationale: IgA protects mucosal surfaces like saliva and milk.
Question 2 of 4
Natural killer cells
Correct Answer: C
Rationale: NK cells kill without sensitization; they are leukocytes , innate , and produce cytokines .
Question 3 of 4
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.
Question 4 of 4
The fact that she is a female may affect her disease in the following way:
Correct Answer: A
Rationale: Hormones may worsen autoimmunity in females; sex affects prevalence , not better or neutral .