Quiz 3 Flashcards
Base of skull is made up which bones
lesser and greater wing of sphenoid
greater and lesser wing of sphenoid is separated by what?
superior orbital fissure
Foramen rotundum is in which skull fossa ant, middle , or posterior
anterior
Foramen ovale is in which skull fossa ant, middle , or posterior
anterior
Optic canal is in which skull fossa ant, middle , or posterior
anterior
foramen lacerum is in which skull fossa ant, middle , or posterior
middle
which bone associated w/ middle fossa?
temporal
internal acoustin meatus is in which skull fossa ant, middle , or posterior
posterior
jugular foramen is in which skull fossa ant, middle , or posterior
posterior b/w temporal and occipital bone
hypoglossal canal is in which skull fossa ant, middle , or posterior
posterior
oculomotor nerve comes from which part of brainstem? Midbrain, pons, medulla, spinal cord
midbrain
trochlear nerve comes from which part of brainstem? Midbrain, pons, medulla, spinal cord
mid brain
trigeminal nerve comes from which part of brainstem? Midbrain, pons, medulla, spinal cord
pons
abducens nerve comes from which part of brainstem? Midbrain, pons, medulla, spinal cord
Where pons meets medulla
facial nerve comes from which part of brainstem? Midbrain, pons, medulla, spinal cord
where pons meets medulla
vestibulocochlear nerve comes from which part of brainstem? Midbrain, pons, medulla, spinal cord
where pons meets medulla
hypoglossal nerve comes from which part of brainstem? Midbrain, pons, medulla, spinal cord
medulla
Glossopharyngeal nerve comes from which part of brainstem? Midbrain, pons, medulla, spinal cord
medulla
vagus nerve comes from which part of brainstem? Midbrain, pons, medulla, spinal cord
medulla
accessory nerve comes from which part of brainstem? Midbrain, pons, medulla, spinal cord
spinal cord
CN1 comes out of which foramina?
cribiform plate
CN2 comes out of which foramina?
optic canal
CN 3comes out of which foramina?
superior orbital fissure
CN 4 comes out of which foramina?
superior orbital fissure
CN 6 comes out of which foramina
superior orbital fissure
CN V1 comes out of which foramina
superior orbital fissure
CN V2 comes out of which foramina
foramen rotundum
CN V3 comes out of which foramina
foramen ovale
middle meningeal artery comes out of which foramina?
foramen spinosum
CN VII comes out of which foramina?
internal acoustic meatus
CN VIII comes out of which foramina?
internal acoustic meatus
CN 9 comes out of which foramen
jugular
CN 10 comes out of which foramina?
jugular
CN 11 comes out through which foramina/
jugular
CN 11 leaves in through which foramen?
magnum
CN 12 comes out of which foramina?
hypoglossal canal
Which vessels associated with dura?
middle meningeal
Which vessels associated with arachnoid
bridging veins
Which vessels associated with pia
major blood vessels of brain
Which dural reflection separates 2 cerebral hemispheres?
Falx Cerebri
Which dural reflection separates occipital lobe from cerebellum
Tentorium Cerebelli
arachnoid granulations are associated with which structure
bridging veins/ superior sagittal sinus
which kind of intracranial hemorrhage produces egg shaped bulge?
epidural
epidural hemorrhage caused by what and onset of symptoms takes how long?
tearing of meningeal artery
within hours
subdural hemorrhage caused by what and onset of symptoms takes how long?
tearing of bridging veins
days to weeks b/c venous blood oozes slowly
subarachnoid hemorrhagecaused by what and onset of symptoms takes how long?
weakened blood vessels rupture and mix with CSF
- sudden onset
what is it called when pupil is smaller than normal
miosis
what is it called when pupil is larger than normal
mydriasis
3 layers of eye
- fibrous tunic- cornea and sclera
- uveal layer– mostly choroid includes ciliary body and iris
- retina