B cells, which are responsible for humoral responses, have a specific role in which of the following?
A) Graft-verses-host disease
B) Anaphylaxis
C) Tumor surveillance or destruction
D) Intracellular infections
Ans: B
Feedback: Some specific roles of B lymphocytes (humoral responses) include bacterial phagocytosis and lysis, anaphylaxis, allergic hay fever and asthma, immune complex disease, and bacterial and some viral infections. Some specific roles of T lymphocytes (cellular response) include transplant rejection; delayed hypersensitivity (tuberculin reaction); graft-versus-host disease; tumor surveillance or destruction; intracellular infections; and viral, fungal, and parasitic infections.
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