Summary Cranial Nerve V en VII Examination

CN V and VII: Trigeminal Nerve and Facial Nerve




CN V: Trigeminal Nerve

, Is the largest Cranial Nerve and provides sensation to the face, you have one on each side.
Its main function is transmitting Sensory information to the Skin, Sinuses and Mucous
Membranes in the face. The nerve communicates Touch, Pain and temperature to the
brain.
It also stimulates movement in the Jaw muscles

Trigeminal Neuralgia
Usually occurs spontaneously, but is sometimes associated with Facial trauma or Dental
procedures. The condition may be caused by a blood vessel presses against the Trigeminal
nerve, also known as vascular compression

Symptoms
 Episodes of severe shooting or jabbing pain that may feel like electric shock
 Spontaneous attack of pain or attacks triggered by things such as touching the face,
chewing, speaking or brushing teeth
 Bouts of pain lasting from few seconds to several minutes


CN VII: Facial Nerve

This Cranial Nerve emerges from the pons of the
brainstem, controls the muscles of the Facial
expression and functions in the conveyance of
taste sensations from the Anterior two-thirds of
the tongue.

Symptoms affected Facial N.
 Facial muscle paralysis
 weakness, or twitching of the face
 Dryness of the eye or mouth
 Alteration of taste on the affected side
 Excessive tearing or salivation




1. Introduction/
Consent/ Hygiene
 Clean the hand beforehand