A patient goes to the emergency department because his arm started to swell up after being stung by a wasp. IgE receptors are present on which cells of this patient?
A) eosinophils
B) mast cells
C) T lymphocytes
D) plasma cells
E) NK cells

Question

Quizplus · Accepted Answer

IgE receptors are primarily present on mast cells, which are involved in immediate allergic reactions. Eosinophils and plasma cells may also play a role in allergic reactions, but they do not express IgE receptors. T lymphocytes and NK cells are involved primarily in cellular immunity and do not express IgE receptors.

A Patient Goes to the Emergency Department Because His Arm