A doctor places drops in the eyes to dilate the pupils for an examination. The type of drug that is used is
A) a muscarinic blocking drug.
B) a sympathomimetic drug.
C) an adrenergic activating drug.
D) A, B, or C
E) A or C only

Question

Quizplus · Accepted Answer

Muscarinic blocking drugs (A) and adrenergic activating drugs (C) can both cause pupil dilation. Sympathomimetic drugs (B) can also cause dilation by stimulating adrenergic receptors.

A Doctor Places Drops in the Eyes to Dilate the Pupils