You would expect that your pupils would be smallest when you are
A) sitting on the beach on a very sunny day.
B) reading a book in a moderately lit room.
C) watching TV in a dimly lit room.
D) navigating through a dark forest at night.

Question

Quizplus · Accepted Answer

When exposed to bright light, the muscles in the iris contract, causing the pupil to become smaller in order to reduce the amount of light entering the eye. Therefore, sitting on the beach on a very sunny day would cause the pupils to be smallest.

You Would Expect That Your Pupils Would Be Smallest When