Final answer:
Mydriatic eye drops are applied before an eye examination to dilate the pupils.
Step-by-step explanation:
TRUE. Mydriatic eye drops are applied before an eye examination to dilate the pupils. These drops contain substances that mimic the action of norepinephrine, a neurotransmitter responsible for dilating the pupils. When these drops are applied to the eyes, they bind to adrenergic receptors in the iris smooth muscle, causing the muscles to relax and the pupils to dilate.