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.

NerveNameFunction
Cranial Nerve 1OlfactorySmells
Cranial Nerve 2OpticVision
Cranial Nerve 3OculomotorEye movement
Cranial Nerve 4TrochlearMovement of the eyes
Cranial Nerve 5TrigeminalSensation to your face and movement of chewing muscles
Cranial Nerve 6AbducentSide-to-side movement of the eyes
Cranial Nerve 7FacialMovement of your face, tearing from the lacrimal gland, taste from the front of the tongue
Cranial Nerve 8AuditoryHearing and balance
Cranial Nerve 9GlossopharyngealControls 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 10VagusControls 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 11AccessoryShoulder movement
Cranial Nerve 12HypoglossalSupplies 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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