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BMS 208 Exam 3
Cranial Nerves (I-XII)
24
Anatomy
Undergraduate 2
03/09/2009

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Term
I
Definition
Olfactory: senses smell.
Term
Olfactory
Definition
provides a sense of smell. Sensory (I)
Term
II
Definition
Optic nerve: Provides a sense of vision
Term
Optic Nerve
Definition
Sensory. Provides a sense of vision (II)
Term
III
Definition
Ocular Motor: Moves eye muscles
Term
Ocular Motor
Definition
Motor to some eye muscles. (III)
Term
IV
Definition
Trochlear: motor to one extraocular eye muscle.
Term
Trochlear
Definition
Motor to one extraocular eye muscle. (IV)
Term
V
Definition
Trigeminal. Sensory to skin of the face, forehead, teeth, lips and gums. Motor to muscles of mastication
Term
Trigeminal
Definition
Sensory to skin of the face, forehead, teeth, lips and gums. Motor to muscles of mastication. (V)
Term
VI
Definition
Abducens. Motor to one extraocular eye muscle.
Term
Abducens
Definition
Motor to one extraocular eye muscle. (VI)
Term
VII
Definition
Sensory: provides taste to the anterior 2/3 of tongue.
Motor: Muscles of facial expression.
Term
Facial Nerve
Definition
Sensory: provides taste to the anterior 2/3 of tongue.
Motor: Muscles of facial expression. (VII)
Term
VIII
Definition
Vestibulocochlear: dual sensory to the sense of balance and hearing
Term
Vestibulocochlear
Definition
Dual sensory to balance and hearing. (VIII)
Term
IX
Definition
Glossopharyngeal: sensory to the posterior 1/3 of the tongue; also monitors blood pressure, ph, o2 and co2 levels
Term
Glossophyrangeal
Definition
monitors o2,co2,ph and blood pressure levels. also provides taste to posterior 1/3 of tongue. Motor to the pharangeal muscles. (IX)
Term
X
Definition
Vagus. sensory to the pharynx, visceral organs, and ear canal. motor to the pharangeal muscles.
Term
Vagus
Definition
(X) Motor to the pharangeal muscles and visceral organs in the abdominopelvic cavity. Sensory to the ear canal, pharynx and visceral organs.
Term
XI
Definition
Accessory nerve: motor to the sternocleidomastoid and the trapezius.
Term
Accessory nerve
Definition
motor to the sternocleidomastiod muscle as well as the trapezius (XI)
Term
Hypoglossal
Definition
motor to the tongue. XII
Term
XII
Definition
Hypoglossal. Motor to the tongue.
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