Atropine is sometimes used to dilate the pupil for an eye examination.Which receptor would atropine block?
A) Alpha 1 adrenergic receptor
B) Nicotinic receptor
C) Muscarinic receptor
D) Alpha 2 adrenergic receptor
E) Beta receptor

Question

Quizplus · Accepted Answer

Atropine blocks muscarinic receptors, which are responsible for the constriction of the pupil. By blocking these receptors, atropine causes the pupil to dilate, making it easier for the eye to be examined.

Atropine Is Sometimes Used to Dilate the Pupil for an Eye