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head, neck and trunk > PRAC2 - from seminars > Flashcards

PRAC2 - from seminars Flashcards

(84 cards)

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1
Q

what is the nerve runs through the cribiform plate

A

CNI

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2
Q

what nerve exits at the optic canal

A

CNII

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3
Q

what nerve exits at the superior orbital fissure

A

CNIII, IV, V (V1), VI

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4
Q

what nerve exits at the foramen rotundum

A

CNV2

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5
Q

what nerve exits at the foramen ovale

A

CNV3

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6
Q

what nerve exits at internal acoustic meatus

A

CNVII, VIII

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7
Q

what nerve exits at jugular foramen

A

CN IX, X, XI

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8
Q

what nerve exits at hypoglossal foramen

A

CNXII

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9
Q

what forms the hard palate

A

maxillae and palatine bones

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10
Q

what nerve innervates muscles of facial expression

A

facial

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11
Q

function of platysma

A

assists in mandible depression, tenses skin

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12
Q

what muscles move the upper lip

A

levator labii superioris, zygomatic minor

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13
Q

what muscles move the lower lip

A

depressor labiii inferioris

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14
Q

what is the function of the frontal part of occipitofrontalis

A

raise eyebrows, wrinke forehead, protract scalp

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15
Q

what is the function of the occiptal bellly of occipitofrontalis

A

retract scalp, synergist of frontalis

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16
Q

what nerve innervates scalp?

A

facial

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17
Q

what are the 5 terminal branches of the parotid plexus and what nerve did they orgiannly come from?

A

temporal, zygomatic, buccal, marginal mandibular, cervical

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18
Q

what are the 3 divisions of
trigeminal

A

opthalmic, maxillary, mandibular

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19
Q

what type of joint is TMJ

A

modified hinge

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20
Q

what nerve supplies the TMJ

A

auriculotemporal n (branch of CNV3)

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21
Q

movements of TMJ?

A

translation: protusion, retrusion
hinge: elevation and depression
lateral: gliding and chewing

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22
Q

function of temporalis m

A

elevates mandible/closing jaw, post. fibres retract mandible

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23
Q

funciton of masseter

A

elevates mandible closing jaw, synergist in protusion and lateral excursion

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24
Q

innervation of temporalis

A

mandibular n CNV3

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25
innervation of masseter
mandibular n CNV3
26
lateral pterygoid action
bilateral: protracts mandible and depress chin unilateral: swings jaw toward contralateral side
27
medial pterygoid action
synergists of asster in elevation of mandible
28
how many permanent teeth?
32
29
which divisons of trigeminal are sensory vs motor
CNV1 - opthalmic - sensory CNV2- maxillary - sensory CNV3 mandibular - mixed
30
what does the mandibular divison of trigeminal nerve innervate?
4 muscles of mastication (+ mylohyoid + ant. diagastic + 2 tensors_
31
what are the sensory branches of CNV3
auriculotemporal, buccal, lingual, inf. alveolar
32
what are upper teeth innervated by?
CNV2 - maxillary >> sup. alveolar branches
33
what are lower teeth innervated by?
CNV3 - mandibular >> inf. alveolar n
34
function of the intrinsic tongue muscles
change shape of tongue
35
funciton of extrinsic tongue muscles
change position of tongue
36
what are the 4 extrinsic tongue muscles
genioglossus, hyoglossus, styloglossus, palatoglossus
37
movement produced by genioglossus
protudes
38
movement produced by hyoglossus
retrudes
39
movement produced by styloglossus
retrudes
40
movement produced by palatoglossus
elevates
41
what is the motor innervation of the tongue?
hypoglossal (exc. palatoglossus CNX)
42
what is the sensory innervation of ant 2/3 tongue
lingual (CNV3)
43
what is hte snesory innervation of post. 1/3 tongue
glossopharyngeal n CNIX
44
what is the special sensory innervation of ant 2/3 tongue
chorda tympani CNVII
45
what is the special sensory innervation of post. 1/3 tongue
glossopharyngeal IX
46
what is the innervation of sublingual and submandibular glands?
facial CNVII
47
what is th einnervation of the parotid gland?
glossopharyngeal (IX)
48
what nerve carries the postganglionic parasympathetic fibres to the salivary galnds
facial
49
action of levator palebrae superioris
elevates superior eyelid
50
action of superior oblique
abducts, depresses, medially rotates
51
acion of inferior oblique
abducts, elevates , laterally rotates
52
action of superior rectus
elevtes, adducts, medially rotates
53
action of inferior rectus
depresses, adducts, laterally rotates
54
action of medial rectus
adducts
55
action of latel rectus
abducts
56
what muscle clses the eye?
orbiuclaris oculi
57
what is the rule for innervation of extraocular eye muscles
LR6SO4AO3
58
special sensory innervation of eye?
vision > optic
59
motor innervation of eye?
LR6SO4AO3 abducens, trochlear, oculomotor
60
sensory innervation of eye?
opthalmic (lacrimal, frontal>supraorbital, nasocilliary>ant + post ethmodial, longcilary), maxillary (infraorbital)
61
what occurs with CNII lesion?
loss of direct pupillary light reflex
62
what occurs with CNIII lesion?
loss of consensual pupillary light reflex
63
innervation of tensor tympani
CNV3
64
fnction of tensor tympani muscle
reduces ampiltude of osssilations of the malleus
65
fucntion of stapedius muscle
reduces ossicilation of amplitud eof stapes
66
innervation of stapedius
CNVII
67
type of cartilage of epiglottis?
elastic
68
vertebral level of cricoid?
C6
69
importance of epiglottis?
diverts food and liquid away from airways
70
what type of joints are cricotthyroid and crico-arytenoid?
synovial
71
function of cricothyroid joint
lengthen and put tension on vocal ligaments
72
function of crico-arytenoid joint
abduct and adduct vocal ligaments,, + rotation and rocking + gliding
73
what is the top of conus elasticus
true vocal lig
74
what is the top free edge of quadrangular membrane
epiglottic fold
75
what is the bottom inf edge of the quadrangular membrane
vestibular false lig
76
what makes up conus elasticus?
vocal ligamnet and lateral cricoepiglottic lig
77
what makes up quandragular memebrane
vvestibular lig + aryepiglottic lig
78
what muscle opens the size of the rima glottidis
post. cricoarytnoid
79
what muscle closes the size of the rima glottidis
tv and onlique arytenoid and lateral cricoarytenoid
80
what is the muscle that tenses the vocal cord
cricothyroid
81
what is the muscle that relaxes the vocal cords
thyroarytenoid
82
what innervation does the superior laryngeal n supply?
sesnory to uppper 1/2 larynx motor to cricothyroid
83
what innervation does the recurrent laryngeal n supply?
sensory to lower 1/2 larynx motor to all muscles exc. cricothyroid
84

head, neck and trunk (4 decks)

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