ATI RN
Lymphatic System Review Questions Questions
Question 1 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 2 of 5
Most antibodies belong to the class:
Correct Answer: D
Rationale: IgG is the most common antibody class in serum.
Question 3 of 5
An allergic response such as contact dermatitis is caused by
Correct Answer: B
Rationale: Contact dermatitis is a delayed hypersensitivity from memory T cells.
Question 4 of 5
What immune cell type predominates in the perifollicular regions of the white pulp in the spleen? (variation 2004)
Correct Answer: B
Rationale: B lymphocytes predominate in perifollicular regions; T cells are in paracortex, macrophages are scattered.
Question 5 of 5
Specificity and memory are the two major characteristics of:
Correct Answer: A
Rationale: Adaptive immunity has specificity and memory; innate lacks these, others (B, C, D) are not standard terms.