Question

the olfactory nerve takes the sensations to the _______.
brain
brain stem
thalamus

Explanation:

The olfactory nerve is responsible for transmitting olfactory (smell) sensations directly to the brain (specifically to the olfactory bulb in the brain). The brain stem is involved in basic life - sustaining functions, and the thalamus is a relay station for most sensory information except smell. So the correct answer is related to the brain.

Answer:

A. brain