Which type of drug would be useful in dilating the pupils for an examination of the retina?
A) muscarinic receptor inhibitor
B) beta-3 receptor mimic
C) beta-1 receptor mimic
D) alpha-1 receptor inhibitor

Question

Quizplus · Accepted Answer

Muscarinic receptor inhibitors are used to dilate the pupils (a process known as mydriasis) for retinal examinations. They work by blocking the action of the neurotransmitter acetylcholine at the muscarinic receptors in the eye, leading to pupil dilation.

Which Type of Drug Would Be Useful in Dilating the Pupils