THE COMPASS

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Cranial Nerves

Cranial nerves are not like spinal nerves. The main differentiating feature is the houses that send the signals out to the nerves arise from the brain and spinal cord.

Nerve Name Function
Cranial Nerve 1 Olfactory Smells
Cranial Nerve 2 Optic Vision
Cranial Nerve 3 Oculomotor Eye movement
Cranial Nerve 4 Trochlear Movement of the eyes
Cranial Nerve 5 Trigeminal Sensation to your face and movement of chewing muscles
Cranial Nerve 6 Abducent Side-to-side movement of the eyes
Cranial Nerve 7 Facial Movement of your face, tearing from the lacrimal gland, taste from the front of the tongue
Cranial Nerve 8 Auditory Hearing and balance
Cranial Nerve 9 Glossopharyngeal Controls the muscles for swallowing, secretions for parotid gland, sensation to part of the tongue and ear, taste from the back of the tongue
Cranial Nerve 10 Vagus Controls the muscles in the back of the throat, helps make the abdominal organs work properly, helps regulate breathing, heart rate and blood pressure
Cranial Nerve 11 Accessory Shoulder movement
Cranial Nerve 12 Hypoglossal Supplies the muscle
of the tongue
Reference:
Thelan, L.A., Urden, L.D., Lough, M.E., Stacey, K.M. (1998).
Neurologic Anatomy and Physiology.
Mosby Inc. Critical Care Nursing: Diagnosis and Management
(3rd Edition) (pp 742-746)

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