ATI RN
Immune System Multiple Choice Questions and Answers Questions
Question 1 of 5
Which tonsils protect the entrance to the digestive tract?
Correct Answer: A
Rationale: Palatine tonsils guard the digestive entrance; pharyngeal , lingual , and tubal are elsewhere.
Question 2 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 3 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 4 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.
Question 5 of 5
With regard to secondary lymphatic nodules: Their presence is indicative of an immune response.
Correct Answer: A
Rationale: Secondary nodules develop in response to antigenic stimulation, indicating an active immune response.