USAHS Neuroscience Exam 3 Study Questions and Answers 2024 Graded A
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USAHS
Institution
USAHS
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 e...
USAHS Neuroscience Exam 3 Study
Questions and Answers 2024 Graded A
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
USAHS Neuroscience Exam 3
, USAHS Neuroscience Exam 3
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
What layer contains rods and cones? -Correct Answer ✔outermost
Do rods or cones provide low resolution visual images? -Correct Answer ✔rods
Are there more rods or cones? -Correct Answer ✔rods
Which one does not detect color? -Correct Answer ✔rods
Are rods or are cones located more periphery in the retina? -Correct Answer ✔rods
Are rods or are cones located in the fovea and macula? -Correct Answer ✔cones
Are rods or are cones high resolution visual images? -Correct Answer ✔cones
After light enters the lens to the retina, what is the pathway through the layers of retina
to the optic nerve? -Correct Answer ✔Photoreceptors respond to light in receptive fields
and form excitatory or inhibitory synapses—to bipolar cells - and sends it to the ganglion
cells—where it sends it to the optic nerve
What are the two types of ganglion cells in the innermost layer? -Correct Answer ✔a.
Parasol cells aka A cells, p-alpha
b. Midget cells aka B cells, p-beta
USAHS Neuroscience Exam 3
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