Which of the following would indicate a possible lesion of the trigeminal nerve (V)?
A) Lack of chewing reflex when an item is placed in the oral cavity
B) Lack of ability to move the head in response to a loud noise
C) Delayed visual tracking of a moving object
D) Both "lack of ability to move the head in response to a loud noise" and "delayed visual tracking of a moving object" are correct.

Question

Quizplus · Accepted Answer

The trigeminal nerve (cranial nerve V) is primarily responsible for sensation in the face and motor functions such as biting and chewing. A lack of chewing reflex when an item is placed in the oral cavity could indicate a lesion of the trigeminal nerve. The other options involve functions not related to the trigeminal nerve: moving the head in response to a loud noise involves the auditory system and neck muscles, and visual tracking involves the visual system and ocular muscles.

Which of the Following Would Indicate a Possible Lesion of the Trigeminal