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BDS3 Anatomy > Anatomy Q's > Flashcards

Anatomy Q's Flashcards

1
Q

what nerve supplies the thyrohyoid

A

hypoglossal

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2
Q

what nerve supplies the sternohyoid omohyoid and the sternothyroid

A

ansa cervicalis

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3
Q

What nerve supplies the anterior belly of digastric

A

nerve to mylohyoid

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4
Q

what nerve supplies the posterior belly of digastric

A

facial

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4
Q

what nerve supplies the stylohyoid

A

facial nerve (which then runs to the posterior belly of digastric)

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5
Q

what nerve supplies the mylohyoid

A

mylohyoid nerve

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6
Q

what nerve supplies the geniohyoid

A

hypoglossal nerve

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7
Q

What is inside of the carotid sheath

A

common carotid artery
internal jugular vein
Vagus nerve
deep cervical lymph nodes

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8
Q

What can happen during surgery removing an atheroma near the bifurcation of common carotid

A

can damage Hypoglossal nerve - paralysis of one side of the tongue

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9
Q

where does the great auricular nerve originate from

A

the cervical plexus

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10
Q

what does the great auricular nerve do

A

provides sensory innervation for the skin over the parotid gland and mastoid process

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11
Q

what does the transverse cervical nerve provide sensory innervation to

A

the anterior and lateral parts of the skin of the neck

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12
Q

what does the ansa cervicalis innervate

A

sternohyoid omohyoid and sternothyroid

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13
Q

where is the ansa cervicalis located

A

embedded in the anterior wall of the carotid sheath

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14
Q

where does the sternocleidomastoid originate

A

mastoid process

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15
Q

what 3 things run superficial over the SCM?

A

great auricular nerve
transverse cervical nerve
external jugular vein

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16
Q

What are 12 and 13 on this skull?

A

12 - superior nuchal line
13- inferior nuchal line

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17
Q

what is the bregma

A

where the coronal and saggital sutures meet

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18
Q

What are these? (18)

A

Depressions for arachnoid granulations

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19
Q

which foramen is marked by the X

A

jugular foramen

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20
Q

What does no 16 represent

A

Lingula

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21
Q

What do 11 and 12 represent

A

11- mental tubercle
12- mental protuberance

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22
Q

What does the redline represent

A

mandibualar notch

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23
Q

What passes through the mandibular foramen

A

Inferior alveolar nerve

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24
Q

What passes through foramen spinosum

A

Middle Menningeal vessels

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25
Q

What passes through foramen lacerum

A

Internal carotid artery
greater petrosal nerve

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26
Q

what passes through the jugular foramen

A

CN 9 10 11
glossopharyngeal
vagus
accesory
ALSO the internal jugular vein

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27
Q

What passes through the internal acoustic meatus

A

Vestibulocochlear nerve
Facial Nerve

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28
Q

On what hemisphere of the brain is motor speech found

A

left

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29
Q

What connects the brains two hemispheres

A

corpus callosum

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30
Q

What does the hypoglossal nerve supply ?

A

Muscles of the tongue
only genioglossus, styloglossus, hyoglossus

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31
Q

What nerve supplies the palatoglossus

A

vagus

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32
Q

How would you test the hypoglossal nerve cliinically

A

ask pt to stick tongue out

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33
Q

How would you test the olfactory nerve clinically

A

ask pt to detect strong smell - e.g. coffee

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34
Q

How would you test the optic nerve clinically

A

visual test- examine pupils

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35
Q

How would you test the occularmotor nerve clinically

A

ptosis - assess

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36
Q

How would you test the trochlear nerve clinically

A

assess H pattern with eyes

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37
Q

How would you test the trigenimal nerve clinically

A

assess all three branches of trigeminal nerve.
sensation above brow, under eye and chin

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38
Q

How would you test the abducens nerve clinically

A

H pattern

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39
Q

How would you test the facial nerve clinically

A

ask patient to smile and frown

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40
Q

How would you test the vestibulocochlear nerve clinically

A

test hearing and balance

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41
Q

How would you test the glossopharyngeal nerve clinically

A

assess gag reflex
innervates carotid sinus

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42
Q

How would you test the vagus nerve clinically

A

assess gag reflex

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43
Q

What type of epithelium is in the vocal fold

A

statified squamous

44
Q

where does the maxillary sinus drain to

A

semi lunar hiatus in the middle meatus

45
Q

What are the arrows pointing to

A

Genial tubercle

46
Q

What does the internal thoracic artery supply

A

upper chest and breast area

47
Q

what does the brachiocephalic artery bifurcate into

A

common carotid and subclavian artery

48
Q

what is horners syndrome

A

loss of sympathetic nerve supply to one side of the head

49
Q

How is facial palsy caused by LA

A

IDB given too posterior into parotid gland, anaesthetic kept in capsule and is slowly absorbed

50
Q

Signs of facial palsy

A

unilateral face drooping
drooping eyelid and drooping of corner of mouth

51
Q

What innervates the masseter

A

mandibular nerve

52
Q

What does the lingual nerve provide sensation to

A

sensation to anterior 2/3rds of tongue, floor of mouth and lingual gingivae

53
Q

What does the mandibular nerve supply and where does it exit from skull

A

MoM, foramen ovale

54
Q

What innervates the intrinsic muscles of the tongue

A

Facial nerves

55
Q

What innervates palatoglossus

A

Vagus nerve

56
Q

What innervates majority of extrinsic muscles of the tongue

A

hypoglossal

57
Q

Where are fish bones often caught

A

piriform fossa

58
Q

Purpose of the Uvula

A

closes nasopharynx during swallowing
improves soft palate seal during swallowing

59
Q

What supplies the hard palate

A

greater palatine nerve

60
Q

what supplies the soft palate

A

lesser palatine nerve

61
Q

what does the nasopalatine nerve supply and what foramen does it pass through

A

septum of nose and anterior 1/3 of hard palate

incisive foramen

62
Q

What is trigeminal neuralgia

A

caused by CNV2 (maxillary branch of trigeminal) sometimes mandibular branch
short sharp pain
treatment - carbamazepine

63
Q

What is a sign of oculomotor nerve palsy

A

fixed dilated pupil-down and out pupils

64
Q

What type of epithelium is the vocal fold

A

stratified squamous epithelium

65
Q

In the larynx, what would the vestibular fold look like

A

soft, rounded edges, pink

66
Q

In the larynx, what would the vocal fold look like

A

firm, sharp edges, pale

67
Q

What is the epiglottis made of

A

elastic cartilage

68
Q

What the the term for an infection of the external ear/EAM?

A

otitis externa

69
Q

What are ossicles

A

act as a lever system to amplify sound

70
Q

What is the term used to describe an infection of the middle ear that persists

A

chronic otitis media

71
Q

what is chronic otitis media with effusion

A

occurs around school age and looks like small bubbles on tympanic membrane sound otoscope

72
Q

What composes the inner ear

A

cochlea
semi-circular canal

73
Q

Tear drainage :

A

lacrimal canaliculi -> lacrimal sac -> nasal cavity

74
Q

Clinical signs of thyroid disease (related to eye)

A

eyes bulge out of head
white of eye seen above iris

75
Q

what supplies the superior oblique muscle

A

the trochlear nerve (4)

76
Q

What supplies the lateral rectus muscle

A

abducens (6)

77
Q

Where does CNI exit the skull

A

cribiform plate

78
Q

Where does CNII exit the skull

A

optic canal

79
Q

Where does CNIII, IIII, V1, VI exit the skull

A

Superior orbital fissure

80
Q

Where do CN VII and VIII exit the skull

A

internal acoustic meatus

81
Q

What is the main branch of a maxillary artery

A

middle meningeal artery

82
Q

If vagus nerve on specimen what is other option

A

recurrent laryngeal nerve

83
Q

What is a clear indication of oculomotor nerve palsy

A

dilated pupil and eye is turned downwards and outwards

84
Q

What would abducens nerve palsy look like

A

one eye looks inwards

85
Q

What is written under the blue box

A

Arytenoid cartilage

86
Q

What is written underneath the blue box

A

epiglottic cartilage

87
Q

What is the epiglottis made of

A

elastic cartilage

88
Q

What is written underneath the blue box

A

thyrohyoid cartilage

89
Q

What is underneath the blue box

A

cricotracheal ligament

90
Q

What is underneath the blue box

A

Transverse arytenoid muscle

91
Q

How does the laryngeal open and close

A

Open- elastic recoil
Close- Oblique artenoid muscle

92
Q

What does the recurrant laryngeal nerve do with regards to intrinsic muscles of the larynx

A

Answer to most Laryns Q’s BUT does not supply the cricothyroid - external branch of the superior laryngeal nerve

93
Q

What can be found at top and bottom of thyroid gland

A

top- superior parathyroid gland
bottom- inferior parathyroid gland

94
Q

What are these arrows pointing to

A

Right articular eminence

95
Q

What are these arrows pointing to

A

Left pterygomaxillary fissure

96
Q

What are these arrows pointing to

A

Right lateral pterygoid plate

97
Q

What are these arrows pointing to

A

Left styloid process

98
Q

What are these arrows pointing to

A

Right infraorbital margin/rim

99
Q

What are these arrows pointing to

A

Left inferior nasal concha

100
Q

What are these arrows pointing to

A

Left infraorbital Canal

101
Q

What are these arrows pointing to

A

Median Palatine Suture

102
Q

What are these arrows pointing to

A

Anterior nasal spine

103
Q

What are these arrows pointing to

A

Bone of nasal aperture

104
Q

what are these three lines pointing to

A

superior concha
middle concha
inferior concha

105
Q

What is the pterion made of

A

frontal bone
parietal
sphenoid
temporal

106
Q

What do each of these lines point to

A

YELLOW- superior meatus -> middle meatus -> inferior meatus

BLUE- superior concha -> middle concha -> inferior concha

107
Q

Function of the epiglottis

A

open/close the pharynx- protecting the airway from foreign bodies

BDS3 Anatomy (2 decks)

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