ATI RN
Lymphatic System Multiple Choice Questions and Answers Questions
Question 1 of 5
Which of the following statements best characterizes an antibody?
Correct Answer: D
Rationale: Antibodies are proteins induced by antigens; not RNA , albumin-like , or four identical subunits .
Question 2 of 5
Instant and immediate protection obtained through:
Correct Answer: C
Rationale: Passive immunity provides instant protection; active (A, D) takes time.
Question 3 of 5
Influenza viruses infect humans and elicit an immune response that is often insufficient to protect the individual from sickness or death. Which of the following structures are on influenza viruses, allowing them to be recognized by the human immune system?
Correct Answer: C
Rationale: The molecules on the virus that are not on host cells are the pathogen-associated molecular patterns. The pattern recognition receptors are found on host cells and molecules. MHC I and II molecules are present on all nucleated host cells but not on viruses. The somatically generated receptors are on host T and B lymphocytes.
Question 4 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 5 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.