A patient goes to the emergency department because his arm started to swell up after being stung by a wasp. Prostaglandins released by the cells that possess IgE receptors were
A) synthesized in the cytosol
B) stored in vesicles
C) synthesized from cholesterol
D) synthesized from arachidonic acid precursors
E) modified in the Golgi apparatus

Question

Quizplus · Accepted Answer

Prostaglandins are synthesized from arachidonic acid precursors, which are released from cell membranes in response to various stimuli, including IgE receptor activation.

A Patient Goes to the Emergency Department Because His Arm