USAHS NEUROSCIENCE EXAM 3 QUESTIONS WITH
COMPLETE SOLUTIONS
What is the cranial nerve exit for olfactory nerve? - CORRECT ANSWER-✔✔✅Cribriform plate
What is the cranial nerve exit for the optic nerve? - CORRECT ANSWER-✔✔✅Optic canal
What is the cranial nerve exit for the oculomotor nerve? - CORRECT ANSWER-✔✔✅Superior orbital
fissure
What is the cranial nerve exit for trochlear nerve? - CORRECT ANSWER-✔✔✅Superior orbital fissure
How many branches does the trigeminal nerve have and what are their exits? - CORRECT ANSWER-
✔✔✅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 ANSWER-✔✔✅Superior orbital fissure
What is the cranial nerve exit for facial nerve? - CORRECT ANSWER-✔✔✅Stylomastoid foramen and
internal acoustic meatus
How many branches does the facial nerve have? What is the nerve exit? - CORRECT ANSWER-
✔✔✅Greater petrosal nerve- foramen lacerum
What is the cranial nerve exit for vestibulocochlear? - CORRECT ANSWER-✔✔✅internal acoustic
meatus
, What is the cranial nerve exit for glossopharyngeal and what is tis branch and exit? - CORRECT
ANSWER-✔✔✅a. Jugular foramen
b. Branch is lesser petrosal
c. Exit- comes out of foramen ovale
Exit for vagus cranial nerve? - CORRECT ANSWER-✔✔✅Jugular foramen
Exit for accessory cranial nerve? - CORRECT ANSWER-✔✔✅Jugular foramen
Exit for hypoglossal cranial nerve? - CORRECT ANSWER-✔✔✅Hypoglossal canal
Where does the light enter through? - CORRECT ANSWER-✔✔✅lens
Once light enters through the lens it goes to the what? - CORRECT ANSWER-✔✔✅retina
What is the central fixation for each eye w the highest visual acuity? - CORRECT ANSWER-✔✔✅fovea
This surrounds the fovea and also has a relatively high visual acuity? - CORRECT ANSWER-
✔✔✅macula
This area is formed by axons leaving the retina and has no photoreceptors - CORRECT ANSWER-
✔✔✅optic disc
15 degs lateral temporal is known as your what? - CORRECT ANSWER-✔✔✅blind spot
What are the 3 layers of the retina? - CORRECT ANSWER-✔✔✅outmost layer
biplor layer
innermost layer
COMPLETE SOLUTIONS
What is the cranial nerve exit for olfactory nerve? - CORRECT ANSWER-✔✔✅Cribriform plate
What is the cranial nerve exit for the optic nerve? - CORRECT ANSWER-✔✔✅Optic canal
What is the cranial nerve exit for the oculomotor nerve? - CORRECT ANSWER-✔✔✅Superior orbital
fissure
What is the cranial nerve exit for trochlear nerve? - CORRECT ANSWER-✔✔✅Superior orbital fissure
How many branches does the trigeminal nerve have and what are their exits? - CORRECT ANSWER-
✔✔✅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 ANSWER-✔✔✅Superior orbital fissure
What is the cranial nerve exit for facial nerve? - CORRECT ANSWER-✔✔✅Stylomastoid foramen and
internal acoustic meatus
How many branches does the facial nerve have? What is the nerve exit? - CORRECT ANSWER-
✔✔✅Greater petrosal nerve- foramen lacerum
What is the cranial nerve exit for vestibulocochlear? - CORRECT ANSWER-✔✔✅internal acoustic
meatus
, What is the cranial nerve exit for glossopharyngeal and what is tis branch and exit? - CORRECT
ANSWER-✔✔✅a. Jugular foramen
b. Branch is lesser petrosal
c. Exit- comes out of foramen ovale
Exit for vagus cranial nerve? - CORRECT ANSWER-✔✔✅Jugular foramen
Exit for accessory cranial nerve? - CORRECT ANSWER-✔✔✅Jugular foramen
Exit for hypoglossal cranial nerve? - CORRECT ANSWER-✔✔✅Hypoglossal canal
Where does the light enter through? - CORRECT ANSWER-✔✔✅lens
Once light enters through the lens it goes to the what? - CORRECT ANSWER-✔✔✅retina
What is the central fixation for each eye w the highest visual acuity? - CORRECT ANSWER-✔✔✅fovea
This surrounds the fovea and also has a relatively high visual acuity? - CORRECT ANSWER-
✔✔✅macula
This area is formed by axons leaving the retina and has no photoreceptors - CORRECT ANSWER-
✔✔✅optic disc
15 degs lateral temporal is known as your what? - CORRECT ANSWER-✔✔✅blind spot
What are the 3 layers of the retina? - CORRECT ANSWER-✔✔✅outmost layer
biplor layer
innermost layer
