NEET PG DENTAL EXAM

Detailed explanation-1: -The olfactory nerve is the first cranial nerve and is instrumental in our sense of smell. The olfactory nerve contains only afferent sensory nerve fibers and, like all cranial nerves, is paired.

Detailed explanation-2: -The olfactory nerve is the first cranial nerve (CN I). It is a sensory nerve that functions for the sense of smell. Olfaction is phylogenetically referred to as the oldest of the senses.

Detailed explanation-3: -The pathway of olfactory conduction begins with the olfactory receptors-small, slender nerve cells embedded in large numbers (about 100 million in the rabbit) in the epithelium of the mucous membrane lining the upper part of the nasal cavity.