USAHS NEUROSCIENCE EXAM-WITH EXPLANATIONS
,NEWEST .
what nerve comes from the dorsal part of the midbrain - CORRECT ANSWERS -
trochlear
what nerve is known as the wandering nerve - CORRECT ANSWERS -vagus
what nerves originate at the pons - CORRECT ANSWERS -cranial nerves 5,6,7,8
what nerves e...
USAHS NEUROSCIENCE EXAM-WITH EXPLANATIONS
,NEWEST 2024-2025.
what nerve comes from the dorsal part of the midbrain - CORRECT ANSWERS -
trochlear
what nerve is known as the wandering nerve - CORRECT ANSWERS -vagus
what nerves originate at the pons - CORRECT ANSWERS -cranial nerves 5,6,7,8
what nerves enter the brainstem either ventrally or ventral laterally - CORRECT
ANSWERS -3-12 except 4 CN
anosmia is a lesion to what cranial nerve - CORRECT ANSWERS -1: olfactory sensory
loss (nose)
when you see diplopia ptsosis (droopy eyelid) and diagonal diplopia it is damage to
what cranial nerve - CORRECT ANSWERS -3: oculomotor
a vertical or media strabismus or vertical diplopia, hypertopia is a lesion to what cranial
nerve - CORRECT ANSWERS -trochlear
tix doulourex is a result of a lesion to what cranial nerve? what is another name for it
and what is it? - CORRECT ANSWERS -trigeminal
brief severe pain lasting seconds to minutes episode provoked by chewing, shaving
trigeminal neuralgia *-another name
horizontal diplopia, medial strabismus or diplopia is a lesion to what nerve? - CORRECT
ANSWERS -abducens
facial weakness to the contralateral face but sparing the forehead is what type of lesion
to what cranial nerve? - CORRECT ANSWERS -UMN of facial nerve
what cortical stroke occurs that affects face and arms - CORRECT ANSWERS -MCA
T/F unilateral hearing loss is seen with lesion in the CNS proximal to the cochlear nuclei
- CORRECT ANSWERS -false
it is not seen
what are the components of the outer ear? - CORRECT ANSWERS -pinna, external
auditory canal, tympanic membrane
, what are the components of the middle ear - CORRECT ANSWERS -malleus, incus,
stapes
what are the components of the inner ear - CORRECT ANSWERS -bony labyrinth
membranous labyrinth vestibules
semicircular canals
What is the cranial nerve exit for olfactory nerve? - CORRECT ANSWERS -Cribriform
plate
What is the cranial nerve exit for the optic nerve? - CORRECT ANSWERS -Optic canal
What is the cranial nerve exit for the oculomotor nerve? - CORRECT ANSWERS -
Superior orbital fissure
What is the cranial nerve exit for trochlear nerve? - CORRECT ANSWERS -Superior
orbital fissure
How many branches does the trigeminal nerve have and what are their exits? -
CORRECT ANSWERS -a. 3
b. Ophthalmic - superior orbital fissure
c. Maxillary foramen- rotundum
d. Mandibular - foramen ovale and foramen spinosum
What is the cranial nerve exit for abducens? - CORRECT ANSWERS -Superior orbital
fissure
What is the cranial nerve exit for facial nerve? - CORRECT ANSWERS -Stylomastoid
foramen and internal acoustic meatus
How many branches does the facial nerve have? What is the nerve exit? - CORRECT
ANSWERS -Greater petrosal nerve- foramen lacerum
What is the cranial nerve exit for vestibulocochlear? - CORRECT ANSWERS -internal
acoustic meatus
What is the cranial nerve exit for glossopharyngeal and what is tis branch and exit? -
CORRECT ANSWERS -a. Jugular foramen
b. Branch is lesser petrosal
c. Exit- comes out of foramen ovale
Exit for vagus cranial nerve? - CORRECT ANSWERS -Jugular foramen
Exit for accessory cranial nerve? - CORRECT ANSWERS -Jugular foramen
Exit for hypoglossal cranial nerve? - CORRECT ANSWERS -Hypoglossal canal
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