Select the Correct Statement About Olfaction

Multiple Choice

Select the correct statement about olfaction.

A) Olfactory adaptation is only due to fading of receptor cell response.
B) Olfactory receptors have a high degree of specificity toward a single type of chemical.
C) Substances must be volatile and hydrophobic in order to activate olfactory receptors.
D) Some of the sensation of olfaction is actually one of pain.