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323 - anatomy > lab 5 > Flashcards

lab 5 Flashcards

1
Q

what tracts pass thru the cerebral peduncles

A

corticospinal

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2
Q

are UMN or LMN of the corticospinal tract passing thru cerebral peduncle

A

UMN

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3
Q

what is the connection between midbrain and pons

A

pontomesencephalic

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4
Q

pontomesencephalic junction is the connections between what two strucrtues

A

midbrain and pons

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5
Q

what is the connections between pons and medulla

A

pontomedullar

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6
Q

pontomedullary junction is the connection between what two strucutes

A

pons and medially

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7
Q

decussation of the medulla happens where

A

at the caudal end of the medulla (spinomedullary junction)

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8
Q

which cranial n passes thru interpeduncular fossa

A

CN III

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9
Q

what structure of the brainstem drains into the central canal

A

obex

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10
Q

what are the structures that make up the floor of the 4th ventricle

A

facial colliculus
vestibular nucleus
cochlear nucleus

hypoglossal trigone
again trigon
obex

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11
Q

which of these is most medial: facial colliculus, vestibular nucleus,
cochlear nucleus

A

facial

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12
Q

which of these is most lateral: facial colliculus, vestibular nucleus,
cochlear nucleus

A

vestibular nucleus

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13
Q

what nucleus is under the tubercular gracilis

A

nucleus cuneatys

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14
Q

the habunella is involved in what olfactory reflex

A

increases salivation in response to appetizing smells

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15
Q

lateral geniculate nucleus is associated with auditory or visual pathways

A

visual

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16
Q

medial geniculate nucleus is associated with auditory or visual pathways

A

auditory

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17
Q

which of these is most lateral: tubercular gracilis, tubercular cuneatus, trigeminal tubercle

A

trigeminal tubercle

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18
Q

which of these is most medial: tubercular gracilis, tubercular cuneatus, trigeminal tubercle

A

tubercular gracilis

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19
Q

what is the location of the oculomotor n

A

interpenducular fossa (LEVEL OF THE SUPERIOD COLLICULi)

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20
Q

what is the locations of the trochlear n

A

dorsal aspect of midbrain (level of inferior colliculi)

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21
Q

what is the locations of the trigeminal n

A

lateral side of the basal pons (near middle cerebellar peduncles)

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22
Q

what is the locations of the abdeucens n

A

pontomedullary junction ventrally (most medially)

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23
Q

what is the locations of the facial n

A

pontomedullay junction ventrally (middle)what is the locations of the trochlear n

24
Q

what is the locations of the vestibulocochlear n

A

pontomedulllar junction ventrally (most lateral)

25
Q

what is the locations of the glossopharangeal n

A

behind olive in rostral medulla (rostral to CN X)

26
Q

is the glossopharyngeal n rostral or caudal to CN X

A

rostral

27
Q

what is the locations of the vagus n

A

behind olive in lateral side of rostral medulla (caudal CN IX)

28
Q

is the vagus nerve caudal or rostral to CN IX

A

caudal

29
Q

what is the locations of the accessory n n

A

laterally between the ventral and dorsolateral sulcus of SC

30
Q

what is the locations of the hypoglossal n

A

ventrallatearl sulcus of rostral medulla

31
Q

which nerves emerge from the ventral brainsteim

A

III, V, VI, VII, VIII, IX, X, XII

32
Q

which nerves emerge from the dorsal brainsteim

A

trochlear (CN IV)

33
Q

which CN do not emerge from the brainstem

A

I, II, XI

34
Q

what are the sensory cranial n

A

olfactory (I)
optic (CN II)
vestibulocochlear (VIII)

35
Q

what are the motor cranial n

A

oculomotor (III)
trochlear (IV)
abducens (VI)

Spinal accessory (XI)
hypoglaossal (XII)

36
Q

what are the cranial n that are mixed

A

trigeminal (V)
facial (VII)
glossopharyngeal (IX)
Vagus (X)

37
Q

be able to label the bones, foramina, and fossa of the ksull

A

.

38
Q

what are the important foramina in the anterior cranial fossa

A

foramina of the cribriform (Ethmoid bone)

39
Q

what are the important foramina in the middle cranial fossa

A

sup orbital fissure and inferior orbital fissure
optic canal
foramen rotendum
foramen lacerum
foramen ovlane
foramen spins

40
Q

what are the important foramina in the posterior cranial fossa

A

internal acoustic meatus
jugular foramen
foramen magnum
hypoglossal canal

41
Q

what are the important cranial n in the ethmoid bone

A

olfactory (cribriform foramina)

42
Q

what are the important cranial n in the spehnoid bone

A

optic n (optic canal)
occulomotor (SOF)
trochlear (SOF)
opthalamic (CN V1) (SOF)
abducens (SOF)

maxillary (V2) (rotundeum)
mandibular (V3) (ovale)

43
Q

what are the important cranial n in the temporal bone

A

facial n
vestibulocochlear n

=both in the internal acoustic meatus

44
Q

what are the important cranial n between temporal and occipital bone

A

glossopharyngeal
vagus
accessory

=both in the jugular foramen

45
Q

what are the important cranial n in the occipital bone

A

hypoglossal n (in the hypoglossal canal)

46
Q

what is the nerve and function of the nerve (s) that pass thru the cribriform foramina

A

olfactory (Sensory)

47
Q

what is the nerve and function of the nerve (s) that pass thru the optic foramen

A

optic n (sensory)

48
Q

what is the nerve and function of the nerve (s) that pass thru the superior orbital fissure

A

oculomotor (motor)
trochlear (Motor)
abducens (motor)

ophthalmic (CN V1) (sensory)

49
Q

what is the nerve and function of the nerve (s) that pass thru the foramen rotundeum

A

maxillary V2 (sensory)

50
Q

what is the nerve and function of the nerve (s) that pass thru the foramen ovalen

A

mandibular (V3) (both)

51
Q

what is the nerve and function of the nerve (s) that pass thru the foramen spinosum

A

none

52
Q

what is the nerve and function of the nerve (s) that pass thru the internal acoustic meatus

A

facial (both)
vestibulocochlear (sensory)

53
Q

what is the nerve and function of the nerve (s) that pass thru the jugular foramen

A

glossopharyngeal (both)
vagus n (both)
accessory (motor)

54
Q

what is the nerve and function of the nerve (s) that pass thru the hypoglossal canal

A

hypoglossal n (motor)

55
Q
A

323 - anatomy (18 decks)

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