ATI RN
Questions on Immune System Questions
Question 1 of 5
What is the primary destination of lymph from the left leg?
Correct Answer: B
Rationale: The thoracic duct drains the left leg via cisterna chyli ; right duct is upper right.
Question 2 of 5
What is the term for immunity from maternal antibodies?
Correct Answer: C
Rationale: Natural passive is from maternal antibodies; active (A, B) involves own response, artificial passive is injected.
Question 3 of 5
The complement system enhances immunity by:
Correct Answer: B
Rationale: Complement opsonizes pathogens; antibodies are B cells, killing is T cells, activation is cytokines.
Question 4 of 5
What is the role of T-regulatory cells?
Correct Answer: C
Rationale: T-regulatory cells suppress; killing is cytotoxic T, antibodies are B cells, phagocytosis is macrophages.
Question 5 of 5
The complement system's primary function is to:
Correct Answer: B
Rationale: Complement enhances clearance; cytokines are signaling, T cells are adaptive, antibodies aren't stored.