In Order for a Molecule to Be Detected by the Olfactory

Multiple Choice

In order for a molecule to be detected by the olfactory neurons, it must

A) be present in high concentrations.
B) be one of the seven primary classes of odors.
C) be dissolved in fluid covering the olfactory epithelium.
D) interact with the mechanoreceptors of the olfactory hair membrane.
E) enter the nose slowly.