ATI RN
Immune System Exam Questions Questions
Question 1 of 5
Which of the statements below correctly describes Bcells and plasma cells?
Correct Answer: D
Rationale: Plasma cells are B cell derivatives that secrete antibodies, with large cytoplasm and ER, unlike naïve B cells.
Question 2 of 5
Pregnancy test detects the presence of which of the following?
Correct Answer: B
Rationale: Pregnancy tests detect HCG , a hormone; Rh , proteins , or agglutination are unrelated.
Question 3 of 5
Contact with poison ivy would elicit which type of hypersensitivity reaction?
Correct Answer: D
Rationale: Poison ivy causes Type IV , T-cell-mediated; not immune complex , IgE , or cytotoxic .
Question 4 of 5
Which of the following immunoglobulin has the highest avidity of the immunoglobulins?
Correct Answer: B
Rationale: IgM has high avidity due to pentameric structure; others (A, C, D) have lower avidity.
Question 5 of 5
The common diseases caused by a poor immune system include ______?
Correct Answer: B
Rationale: Poor immunity leads to epidemic diseases ; autoimmune is immune overactivity.