GA2 midterm 1 Flashcards

1
Q

what are the 3 divisions of the trigeminal nerve?

A

ophthalmic, maxillary, and mandibular

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2
Q

what nerves are in the opthalmic division of the trigeminal

A

supraorbital, supratrochlear, palpebral branch of lacrimal, infratrochlear, ext nasal branch of ant ethmoidal

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3
Q

what nerves are in the maxillary division of the trigemenial n?

A

infraorbital, zygomaticofacial, zygomaticotemporal

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4
Q

what nerves are in the mandibular division of the trigeminal n?

A

mental, buccal, and auriculotemporal

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5
Q

what is the bregma?

A

where the coronal suture and saggital suture

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6
Q

what is the location of the pituitary gland

A

hypophysial fossa

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7
Q

what exits the foramen rotundum?

A

maxillary nerve of trigeminal

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8
Q

what exits the foramen ovale?

A

mandibular n,
accessory meningeal artery
lesser petrosal n.

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9
Q

what exits the foramen spinosum?

A

meningeal branch of mandibular n

middle meningeal artery and vein

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10
Q

what exits the foramen lacerum?

A

greater petrosal n.

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11
Q

what exits the carotid canal?

A

internal carotid n. plexus

internal carotid artery

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12
Q

what exits the internal acoustic meatus?

A

facial n
vestibulocochlear n
labyrinth artery

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13
Q

what exits the mastoid foramen?

A

emissary vein

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14
Q

what exits the jugular foramen?

A
glossopharyngeal n,
vagus n
accessory n
posterior meningeal artery
inferior petrosal and sigmoid sinuses
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15
Q

what exits the foramen magnum?

A
medulla oblongata
meninges
spinal roots of accessory n
vertebral artery
meningeal branches of vertebral artery
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16
Q

what exits the foramen cecum?

A

emissary vein to superior sagittal sinus

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17
Q

what exits foramina of cribiform plate?

A

olfactory n

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18
Q

what exits the optic canal?

A

optic n

ophthalmic artery

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19
Q

what exits the superior orbital fissure?

A
occulomotor n
trochlear n
branches of ophthalmic n
abducens n
superior ophthalmic vein
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20
Q

what exits the incisive fossa?

A

nasopalatine n

sphenopalatine vessels

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21
Q

what exits the petrotympanic fissure

A

chorda tympani of facial nerve

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22
Q

what exits the tympanic canaliculus?

A

tympanic branch of glossopharyngeal nerve

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23
Q

what exits the mastoid canaliculus?

A

auricular branch of vagus

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24
Q

what exits the condylar canal?

A

emissary vein

meningeal branch of ascending pharyngeal artery

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25
Q

what provides sva fibers for the anterior 2/3 of the tongue

A

geniculate ganglia

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26
Q

what type of nerve fibers does the greater petrosal nerve contain?

A

pre gg. PS

secretomotor

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27
Q

what type of nerve fibers does the deep petrosal nerve contain?

A

pst gg symp

its a branch of internal carotid sympathetic plexus

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28
Q

what does the nerve to ptyergoid canal contain?

A

pre gg PS

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29
Q

what does the ptyergopalatine ganglion contain?

A

post gg for the lacrimal, palatine and mucosal glands

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30
Q

what does the chorda tympani exit through?

A

petrotympaninc fissure

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31
Q

what does the otic ganglia supply

A

SVE for muscle of mastication

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32
Q

where does sensory buccal suppy come from?

A

mandibular from trigmeninal

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33
Q

where does motor supply for buccal nerve come from

A

facial nerve

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34
Q

what are the four sensory nerves from the mandibular division of trigeminal

A

posterior division of mandibular nerve
auricolotemporal (post gg PS)
lingual GSA (meets with chorda tympani. TOCUH TEMP, PAIN.
chorda tympnai gives the taste to the lingual nerve.
inferior alveolamentalr (mandibular foramen) gives off nerve to myohyoid which is sensory.
inf alveolar becomes

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35
Q

where does inferior alveolar enters thru mandibular foramen and exits thru?

A

mental foramen, then becomes ,mental n.

sensory lower lip and chin

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36
Q

4 motor from ant mandibular n

A

post and ant deep temporal
masseteric
lateral ptyergoid

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37
Q

BALI is the acronym for the sensory supply of the mandibular and it stands for

A
B- buccal (from ant division of mandibular)
A- auriculotemporal
L- lingual
I- inferior alveolar
(all from post division of mandibular
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38
Q

what is the dural sinus drainage order

A

transverse and superior sagittal sinus> sigmoid sinus> int jugular vein

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39
Q

what does the neurocranium protect

A

cartilaginous, from occipital somites and it protects brain

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40
Q

what does the viscerocranium make?

A

its membranous, comes from ectoderm via the neural crest. it is the skeleton of the face

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41
Q

what is formed by the 1st pharyngeal arch?

A
mostly front of face and mouth
maxillary 
mandible
ear bone (malleus and incus)
muscles of mastication
tympani, mylohyoid and ant digastric
mandibular division of trigeminal
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42
Q

what comes from the 2nd pharyngeal arch?

A
more post areas
stapes
hyoid, styloid process
muscles of facial expression, 
post digastric, stylohyoid and stapedius
facial nerve
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43
Q

what comes from the 3rd pharyngeal arch?

A
greater horn and lower body of hyoid, 
epiglottis cart
stylopharyngeal muscle
glossopharyngeal nerve
t- lymph
44
Q

what comes from 4th pharyngeal arch?

A

cartilages that form larynx (thyroid, cricoid, arytenoid, corniculate, cuneiform)
muscles: cricothyroid, levator veli, pharyngeal constrcitors, intrinsics of larynx, striated of esophagus.
superior laryngeal nerve
-ext; superior thyroid
- int will go with sensory to larynx
recurrent laryngeal

45
Q

what fibers come from the pharyngeal arches?

A

SVE for muscles

46
Q

first pharyngeal pouch contains?

A

tubotympanic recess and ext auditory meatus

47
Q

the second pouch contains?

A

taste buds and palatine tonsil

48
Q

the third pouch contains?

A

dorsal inf parathyroid glands

ventral thymus

49
Q

fourth pouch contains?

A

superior parathyroid gland

50
Q

whats in the 5th pharyngeal pouch

A

ultimobranchial body= parafollicular cells.

51
Q

meroanencephaly?

A

partial loss of brain, only cerebellum and brain stem

52
Q

What 3 things are the sinuses for?

A

face shape
lighten the skull
resonance to voice

53
Q

pharyngeal pouches

A

endoderm

54
Q

pharyngeal grooves

A

ectoderm. separate bars and in between arches

55
Q

pouches + groove=?

A

pharyngeal membranes

56
Q

scaphocephaly?

A

premature closure of sagittal suture= cone head

57
Q

what is a premature closure of cornal or lambdoid suture on 1 side only?

A

plagiocephaly

58
Q

premature closure of the coronal suture?

A

oxycephaly

59
Q

what to veins join to make the retromandibular?

A

maxillary and superficial temporal

60
Q

what 2 veins join to drain into the ejv

A

post auricular and post retromandibular. once these join the EJV it drains into subclavian

61
Q

what two veins make the common facial vein?

A

anterior retromandibular and facial vein. once they drain into the common facial> IJV> subclavian

62
Q

what two veins drain the scalp?

A

supraorbital and supratrochlear.

they join to make the facial vein with the superior opthalmic

63
Q

what veins come from the pterygoid plexus?

A

posteriorly the maxillary

anteriorly the deep facial and inferior opthalmic

64
Q

what vein comes from the cavernous sinus?

A

superior opthalmic

65
Q

what are two branches of the ECA

A

maxillary art and superficial temporal art

66
Q

what are the 5 branches of the 1st part of the maxillary?

A
deep auricular
ant tympanic
middle meningeal
inferior alveolar (with branch to mylohyoiid)
accessory meningeal
67
Q

what are branches off the 2nd part of the maxillary artery

A
pterygoid,
post deep temporal
pterygoid
masseteric
ant deep temporalis
buccinator
68
Q

what are the branches off the 3rd prt of the maxillary artery?

A
post superior alveolar
infraorbital
descending palatine
sphenopalatine
pharyngeal
art of pterygoid canal
69
Q

what are the cutaneous nerves that are branches of the cervical plexus?

A
greater occipital (dorsal rami of c2)
lesser occipital
greater auricular
transverse cervical
supraclavicular
rest are ventral rami
70
Q

what can be cut uring tracheotomies?

A

jugular venous arch

(connection btwn R and L ant jugular veins

71
Q

what 2 veins form the brachiocephalic vein at the sc joint

A

subclavian + IJV

72
Q

WHAT IS KLUMPKES PALSY?

A

traction injury of arm, claw hand

73
Q

what is erb duchenne’s palsy

A

lesion of upper trunk of brachial plexus, traction injury, internally rotated arm
“waiters tip position”

74
Q

what supplies all the infrahyoid muscles except for the thyrohyoid?

A

ansa cervicalis, branch if cervical plexus

75
Q

what part of the carotid artery contains baroreceptors to monitor changes in bp?

A

carotid sinus

76
Q

what part of carotid artery contains chemoreceptors monitoring levels of co2 and ph of blood

A

carotid body, innervated by cn 9

77
Q

what are the branches of the ECA

A
superior thyroid
lingual
facial
occipital
ascending pharyngeal
posterior auricular
maxillary
superficial temporal
78
Q

what are the branches of the 1st part of the subclavian artery?

A
vertebral artery
thyyrocervical
   -inferior thyroid
    -transverse cervical
    -suprascapular
internal thoracic
   P-PERICARDICOPHRENIC
   A- ant intercostal
   M- musculophrenic
    S- superior epigastric
79
Q

what are branches off the 2nd part of the subclavian artery?

A

costocervical trunk

  • deep cervical
    - superior intercostal
80
Q

the right and left subclavian join to become?

A

the SVC

81
Q

what does the IJV turn into after it passes the jugular foramen?

A

sigmoid sinus

82
Q

the subclavian vein is a direct continuation of what?

A

the axillary vein

83
Q

the pyramidal lobe of the thyroid is a remnant of what?

A

thyroglossal duct

84
Q

what nerve is in the tracheoesophageal groove?

A

the recurrent laryngeal,

supplies the larynx fro voice production

85
Q

what does parathyroid hormone regulate?

A

calcium levels and vitamin d in blood

86
Q

the superior and middle thyroid vein drain into?

A

IJV

87
Q

the inferior thyroid drains into?

A

brachiocephalic vein

88
Q

what is dysphonia

A

inability to produce sounds properly

89
Q

ext laryngeal nerve that supplies the cricothyroid muscle is responsible for?

A

high pitch sounds

90
Q

what do parafollicular cells secrete

A

calcitonin which increases osteoblastic activity

91
Q

follicular cells secrete?

A

throid hormone

92
Q

at what level does the trachea start and end?

A

c6

t4/t5

93
Q

what are conditions related to hypoparathyroidism?

A

muscles spasms. cheoskys sign and trousseaus.
hypocalcemic tetanty
carpopedal spasm

94
Q

what are symptoms of hyperparathyroidism?

A

hypercalcemia

muscular hypotonia and weakness

95
Q

where does the esophagus receive sympathetic from?

A

thoracic splanchnic t1-t4

96
Q

wheres esophagus receive parasymp from?

A

vagus nerve

97
Q

what is in the esophageal plexus

A

symp, parasymp, and GVA

98
Q

the posterior division of the retromandibular and the post auricular vein form what?

A

EJV

99
Q

ant division of retromandibular and facial vein make what?

A

common facial> IJV

100
Q

what muscle is pierced by the parotid duct?

A

the buccinators muscle

101
Q

what can cause infection of the parotid duct?

A

obstruction by upper 2nd molar

mumps

102
Q

what is the sensory supply for the parotid gland?

A

auriculotemporal

great auricular

103
Q

what is parasymp for the parotid gland?

A
pre gg= glossopharyngeal
post gg= otic ganglion
auriculotemporal nerve (GSA GVE)
superior cervical ganglion
104
Q

what are the sympathetic functions of the parotid gland?

A

vasomotor= vasoconstriction

acinar cells=increased secretion of enzymes

105
Q

what nerve can be cut during a parotidectomy that would cause sweat on cheek?

A

cutting the GSA and GVE fibers of the auriculotemporal nerve. cut nerves will regenerate and attach to sweat glands= increased face sweat

106
Q

what are the 7 branches of the facial nerve?

A
THE ZEBRA BIT MY MOTHERS CAT
(temporal, zygomatic, buccal, marginal mandibular, and cervical
POSTERIORLY
branch to post digastric
post auricular