Question

When a pupil shrinks less light enters the eye. Which stimulus is most likely to cause the eye's pupil to shrink?

A. A loud sound
B. A dark room
C. A cold wind
D. A bright light

Answer 1

Pupils tend to become bigger (dilate) in low-light situations. This allows more light into the eyes, making it easier to see. When there's a lot of bright light, your pupils will become smaller the answer is D

Answer 2

D. A bright light