ATI RN
Immune System Multiple Choice Questions and Answers Questions
Question 1 of 5
The right lymphatic duct drains lymph from:
Correct Answer: B
Rationale: The right lymphatic duct drains the right arm; thoracic duct drains left arm , lower body , and left leg .
Question 2 of 5
Which cells present antigens to T cells?
Correct Answer: B
Rationale: Dendritic cells are primary antigen presenters; B cells and macrophages also present, neutrophils don't.
Question 3 of 5
Which immunoglobulin is found in secretions?
Correct Answer: A
Rationale: IgA is in secretions; IgD is on B cells, IgE is for allergies, IgG is in blood.
Question 4 of 5
Which immunoglobulin binds mast cells in allergies?
Correct Answer: C
Rationale: IgE binds mast cells; IgA is secretions, IgD is on B cells, IgG is blood.
Question 5 of 5
Which cells are key to innate antiviral defense?
Correct Answer: C
Rationale: NK cells fight viruses innately; B and T cells are adaptive, neutrophils target bacteria.