ATI RN
Lymphatic System Multiple Choice Questions and Answers Questions
Question 1 of 5
Instant and immediate protection obtained through:
Correct Answer: C
Rationale: Passive immunity provides instant protection; active (A, D) takes time.
Question 2 of 5
Pattern recognition receptors (PRR) include:
Correct Answer: A
Rationale: PRRs, like lectin-like molecules, recognize PAMPs (e.g., lipoteichoic acid, LPS), not the PAMPs themselves.
Question 3 of 5
Immune cells within the lymphatic circulation are directly deposited into which of the following anatomical sites so that the cells may reenter the bloodstream?
Correct Answer: B
Rationale: Lymphatic circulation deposits cells into the left subclavian vein via the thoracic duct to reenter blood.
Question 4 of 5
Memory cells
Correct Answer: D
Rationale: Memory cells enhance secondary responses; not cyclosporine or passive .
Question 5 of 5
To what does the TCR of a helper T cell bind?
Correct Answer: B
Rationale: Helper T cells bind MHC II ; MHC I is for cytotoxic T cells.