ATI RN
Chapter 20 The Lymphatic System and Immunity Sample Questions Questions
Question 1 of 5
Which immunoglobulin is involved in early immune responses?
Correct Answer: D
Rationale: IgM is the first antibody produced; IgA is secretions, IgD is on B cells, IgE is allergies.
Question 2 of 5
Which cells are key to type III hypersensitivity?
Correct Answer: B
Rationale: B cells produce immune complexes for type III; T cells are type IV, mast cells are type I, neutrophils respond.
Question 3 of 5
With regard to the medullary sinuses of the lymph node: They filter lymph.
Correct Answer: A
Rationale: Medullary sinuses filter lymph as it passes through, with macrophages removing pathogens and debris.
Question 4 of 5
Lymphatic capillaries resemble blood capillaries because lymphatic capillaries
Correct Answer: C
Rationale: Lymphatic capillaries resemble blood capillaries due to their endothelial lining, which allows fluid exchange, though their permeability and roles differ.
Question 5 of 5
space that separate lymphatic Nodule from trabeculae
Correct Answer: A
Rationale: Trabecular sinus separates lymphatic nodules from trabeculae in lymph nodes.