Which cranial nerve is being tested when the nurse asks the client to clench his teeth?

A) Facial
B) Hypoglossal
C) Trigeminal
D) Trochlear

Cranial Nerve

One of the twelve nerves that emerge directly from the brain, not the spinal cord, and primarily serve the head and neck regions with various functions like sensation and movement.

Clench Teeth

involves forcefully pressing the upper and lower teeth together, often as a physical response to stress or to stabilize the jaw.

Trigeminal

Pertaining to the trigeminal nerve, which is the fifth cranial nerve responsible for sensation in the face and motor functions such as biting and chewing.