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40 Cards in this Set
- Front
- Back
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how many pairs of cranial nerves
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12
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C.N. 1 & 2 attach to the (2)
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cerebrum - diencephalon
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C.N. 3-7 attach to the
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brain stem
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almost all of the cranial nerves serve the (2)
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head - neck
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C.N. 10 (vagus) extends down into the ____ ____
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abdominal cavity
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C.N. 3,7,9,10 contain ____ fibers
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parasympathetic
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what is c.n. 1
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olfactory nerve
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(1) olfactory nerve fiber type
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sensory
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olfactory nerves carry small sensations from the ____ ____
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nasal cavity
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olfactory nerves originate in
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nasal cavity
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olfactory nerves pass through the ____ ____ of the ____ bone to the ____ ____
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cribiform plate - ethmoid - olfactory bulb
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olfactory nerve route
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olfactory nerves - olfactory bulb - olfactory tract - inferior frontal medial temporal lobes
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what is c.n. 2
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optic nerve
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(2) optic nerve fiber type
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sensory
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optic nerve originates from
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retina
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optic nerve route
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optic nerve - optic chiasma - optic tract - lateral bodies of thalamus - optic radiations - visual cortex in occipital lobe
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what is c.n. 3
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oculomotor nerve
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(3) oculomotor nerve fiber type
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motor - sensory - parasympathetic
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oculomotor is motor to what 4 of 6 extrinsic eye muscles
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4 - inferior oblique - superior rectus - inferior rectus - medial rectus
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the parasympathetic fibers in c.n. 3 attach to
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constrictor papillary muscles
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the parasympathetic fibers in c.n. 3 constrict the ____ & ____ the ____
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pupils - thicken - lens
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c.n. 3 has ____ afferents from 4 eye muscles it innervates
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proprioceptive
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what is c.n. 4
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trochlear nerve
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(4) trochlear nerve fiber type
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motor - sensory
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trochlear nerve is motor to
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superior oblique muscle
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c.n. 4 has ____ afferents from the
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proprioceptive - superior oblique muscle
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what is c.n. 5
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trigeminal nerve
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(5) trigeminal nerve fiber types
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motor - sensory
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trigeminal is composed of 3 branches
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opthalmic branch - maxillary branch - mandibular branch
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opthalmic nerve fiber type
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sensory
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opthalmic branch carry sensory information from (6)
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upper eyelid - eye surface - tear glands - nose - scalp - forehead
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maxillary branch nerve fiber type
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sensory
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maxillary branch carry sensory information from (6)
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upper teeth - gum - lip - palate - skin of cheek - lower eyelid
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mandibular nerve fiber types
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motor - sensory
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mandibular branch gives motor to
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muscles of mastication
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mandibular branch carry sensory information from (6)
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lower teeth - gum - lip - skin - jaw - parts of scalp
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what is c.n. 6
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abducens nerve
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(6) abducens nerve fiber type
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motor - sensory
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c.n. 6 has motor nerve to
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lateral rectus muscle
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c.n. 6 has ____ afferents from the ____ ____
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proprioceptive - lateral rectus
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