ATI RN
Chapter 15 The Lymphatic System and Immunity Review Questions Questions
Question 1 of 5
Central tolerance
Correct Answer: B
Rationale: Central tolerance induces B cell apoptosis in bone marrow; T cells exist but are deleted , B cells aren't in thymus , and anergy is peripheral .
Question 2 of 5
In the above question, which antibody is extremely important in helping to eradicate this type of infection?
Correct Answer: D
Rationale: IgE fights parasites; IgM , IgA , IgG , and IgD have other roles.
Question 3 of 5
What is the composition of lymph most similar to?
Correct Answer: B
Rationale: Lymph is similar to interstitial fluid, its source; plasma has more proteins, CSF is CNS-specific, and urine is waste.
Question 4 of 5
What is the function of the spleen's marginal zone?
Correct Answer: C
Rationale: The marginal zone traps antigens; lymph filtering is nodes, platelets are in red pulp, T cells are thymus.
Question 5 of 5
Which tonsils are near the Eustachian tube?
Correct Answer: D
Rationale: Tubal tonsils are near the Eustachian tube; others (A, B, C) are elsewhere.