ATI RN
Immune System Practice Questions Questions
Question 1 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 2 of 5
The function of interferons is to
Correct Answer: D
Rationale: Interferons inhibit viral replication in cells, not bacteria or opsonization.
Question 3 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.
Question 4 of 5
How does lymph move through the lymphatic vessels?
Correct Answer: D
Rationale: Skeletal muscle contractions propel lymph, aided by valves.
Question 5 of 5
Which lymphatic organ is responsible for filtering and monitoring the blood for foreign substances, including bacteria and viruses?
Correct Answer: B
Rationale: The spleen filters blood for pathogens and debris.