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Cranial Nerve Funct
Cranial Never Function
Question | Answer |
---|---|
I - Olfactory | Sense of smell |
II - Optic | Sense of sight |
III - Oculomotor | Eye movement, pupil constriction |
IV - Trochlear | Downward gaze |
V - Trigeminal | Facial sensation, branching to the forehead, cheek, and lower jaw |
VI - Abducens | Lateral eye movement |
VII - Facial | Secretion of saliva, facial expressions, taste |
VIII - Acoustic | Sense of hearing and balance |
IX - Glossopharyngeal | Muscles of swallowing and gag reflex. taste and sensation from posterior tongue and pharynx |
X - Vagus | Decreases heart rate, increases peristalsis, contracts muscle for voice production.. Receives taste information, sensation from the back of the throat, sensation in the larynx and trachea and stretch receptors in the gut |
XI - Spinal accessory | Shoulder movements, turning movements of head, movements of viscera |
XII - Hypoglossal | Tongue movements |