ATI RN
Immune System Practice Questions Questions
Question 1 of 5
Specific immunity can be acquired either naturally or artificially and involves
Correct Answer: A
Rationale: Specific immunity (adaptive) involves antigens (trigger), antibodies (response), and complement pathways, making all options relevant.
Question 2 of 5
Precursors of macrophages are called
Correct Answer: D
Rationale: Monocytes differentiate into macrophages; T , B , and plasma cells are distinct.
Question 3 of 5
Hemolytic disease of the newborn typically results from immunization of an RH- mother with Rh+ blood from her first pregnancy, the antibodies reacting against the fetus in a later pregnancy.
Correct Answer: A
Rationale: True : Rh- mother sensitized by Rh+ fetus affects later Rh+ pregnancies.
Question 4 of 5
The Thymus independent type I antigen are _____________.
Correct Answer: D
Rationale: TI-1 antigens are polysaccharides; not nucleic acids (A, B) or proteins .
Question 5 of 5
The function of interferons is to
Correct Answer: D
Rationale: Interferons inhibit viral replication in cells, not bacteria or opsonization.