ATI RN
Immune System Practice Questions Questions
Question 1 of 5
Examples of pathogens that cause human disease include:
Correct Answer: D
Rationale: All of the above are examples of pathogens that cause human disease, including bacteria, viruses, fungi, and parasites.
Question 2 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 3 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 4 of 5
The function of interferons is to
Correct Answer: D
Rationale: Interferons inhibit viral replication in cells, not bacteria or opsonization.
Question 5 of 5
Cytotoxic T-cells destroy their target cells by releasing a substance that affects
Correct Answer: A
Rationale: Cytotoxic T cells release perforins/granzymes, disrupting target cell membranes.