Question

First cranial nerve supplies to

• A. Nasal olfactory mucosa
• B. Forearms
• C. Lungs
• D. Diaphragm

Answer 1

Answer: (A)

Nasal olfactory mucosa

Cranial nerves are the nerves which originate from the brain. There are 12 pairs of cranial nerves. The olfactory nerve is the first cranial nerve. It helps to sense the smell by the cerebrum. It originates from the olfactory mucosa. The afferent nerve fibre carries the olfactory impulse to the olfactory bulb of the cerebrum through the olfactory tract.

So, the correct answer is option A.