ATI RN
Lymphatic System Review Questions Questions
Question 1 of 5
The most abundant type of immunoglobulin is
Correct Answer: C
Rationale: IgG is the most abundant immunoglobulin in serum (~80%), key for systemic immunity.
Question 2 of 5
Which of the following is a function of the tonsils in the lymphatic system?
Correct Answer: D
Rationale: Tonsils defend against pathogens entering via mouth/nose.
Question 3 of 5
Lymph nodes play a crucial role in immune responses. What happens when pathogens or foreign substances are detected in lymph nodes?
Correct Answer: C
Rationale: Nodes filter lymph and activate immune responses to pathogens.
Question 4 of 5
Identify examples of secondary lymphatic structures.
Correct Answer: C
Rationale: Secondary structures include lymph nodes, spleen, and tonsils, not bone marrow.
Question 5 of 5
Most antibodies belong to the class:
Correct Answer: D
Rationale: IgG is the most common antibody class in serum.