Select the Correct Statement About Olfaction

Multiple Choice

Select the correct statement about olfaction.

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