ATI RN
Lymphatic System Test Questions Questions
Question 1 of 5
The phenomena that initiates when a helper T cell binds with a class II MHC protein on a displaying cell is referred to as
Correct Answer: B
Rationale: Costimulation occurs when helper T cells bind MHC-II, enhancing activation.
Question 2 of 5
The spleen is involved in immune defense, particularly against bloodborne pathogens. Which term describes the process of removing damaged or old blood cells from circulation in the spleen?
Correct Answer: B
Rationale: Hemolysis in the spleen removes damaged blood cells.
Question 3 of 5
Thymosins are secreted by the _________ and aid in ___________.
Correct Answer: D
Rationale: Thymosins from the thymus aid T cell maturation.
Question 4 of 5
Identify the class of antibodies that cause allergies.
Correct Answer: C
Rationale: IgE triggers allergic responses via mast cells.
Question 5 of 5
The amount of antibody present in a blood plasma sample is a(n):
Correct Answer: C
Rationale: Titer measures antibody concentration in plasma.