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OCT 225 Exam Cranial Nerves| Questions with Complete Solutions
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OCT 225 Exam Cranial Nerves| Questions with Complete Solutions
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OCT 225 Exam Cranial Nerves|Questions with Complete Solutions
What are the 12 Cranial Nerves?
(Only One Of The Two Athletes Felt Very Good Victorious And Healthy)
I - (Olfactory) 1
II - (Optic) 2
III - (Oculomotor) 3
IV - (Trochlear) 4
V - (Trigeminal) 5
VI - (Abducans) 6
VII - (Facial) 7
VIII - (Auditory or Vestibulocochlear) 8
IX - (Glossopharengeal) 9
X - (Vagus) 10
XI - (Spinal Accessory) 11
XII - ( Hypoglossal) 12
CN1 (I): Olfactory Nerve
Carries sensory information from nose.
CN1 (I): Olfactory Nerve
Function
Olfaction (smell).
CN1 (I): Olfactory Nerve
Lesions
, •Unilateral = there will be no symptoms – Why?
•Bilateral = lose of sense of smell (anosmia)
CN2 (II): Optic Nerve
Carries sensory information from retina.
CN2 (II): Optic Nerve
Function
Responsible for visual acuity and visual messages.
CN2 (II): Optic Nerve
Lesions
•Unilateral = ipsilateral blindness
•Bilateral = bilateral blindness
CN3 (III): Oculomotor Nerve
Carries motor information to the eye.
CN3 (III): Oculomotor Nerve
Function
Extraocular eye movements (up, down, medially, laterally, and downward deviation)
CN3 (III): Oculomotor Nerve
Lesions
•Lateral strabismus
•Diplopia
•Ptosis
•Nystagmus
CN4 (IV): Trochlear Nerve
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