Anatomy Flashcards

1
Q

point to the root, dorm, tip, ala, nostril, septum of nose and philtre of upper lip

A

x

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2
Q

should you use adrenaline containing anaesthetics near the nasal cartilages?

A

naaaah

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3
Q

what bone is particularly important in the nasal cavity

A

ethmoid bone

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4
Q

what is the top of the ethmoid called

A

cribriform plate and crista galli

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5
Q

what is the lateral wall of the ethmoid bone called

A

superior and middle conchae, ethmoid air cells and orbital plate

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6
Q

what makes up the septal plate

A

perpendicular plate of the ethmoid and vomer

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7
Q

what is le fort fracture 1

A

along maxilla

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8
Q

what is le fort 2

A

nasal bone, maxilla

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9
Q

le fort three

A

includes temporal, sphenoid, maxilla and nasal

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10
Q

can le fort fractures 1,2,3 cause spread of infection

A

no- only 2 and 3 can

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11
Q

why is a septal haematoma incised and drained?

A

prevents AVN of septal hyaline cartilage which relies in nutrients from nasal mucosa

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12
Q

What kind of mucosa would you find in the vestibule of the nasal cavity

A

keratinised stratified squamous epithelium

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13
Q

what is the largest mucosa of the nasal cavity

A

respiratory- pseudostratified, columnar with cilia and goblet cells

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14
Q

what mucosa makes up the nasal cavity next to the sphenoid

A

olfactory mucosa

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15
Q

what is the olfactory nerve

A

special sensory

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16
Q

What nerve supplies the superior half of the nasal cavity

A

V1- opthalmic

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17
Q

what nerve supplies the posterior part of nasal cavity

A

V2- maxillary

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18
Q

what blood supply arises from external carotid artery

A

facial and maxillary

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19
Q

what blood supply arises from internal carotid arteries

A

opthalmic

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20
Q

what are branches of the ophthalmic artery

A

anterior and posterior ethmoidal arteries

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21
Q

what are branches of the maxillary artery

A

sphenopalatine and greater palatine arteries

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22
Q

what arises form the facial artery

A

lateral nasal branch of facial or septal branch of superior labial artery depending on how you look at it

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23
Q

what is important about kiesselbachs area?

A

an arterial anastomosis on nasal septum- common cause of nosebleeds

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24
Q

what are the spaces below each conchae called (4)

A

meatus- sphenoethmoidal, superior, middle, inferior

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25
what is paranasal sinus
air filled spaces within bone
26
name the 7/8 paranasal sinuses
2x frontal bone, 2x maxillary sinuses, 2x ethmoid air cells, 1/2x sphenoid sinuses
27
what are the paranasal sinuses lined by
mucous secreting respiratory mucosa
28
where does the sphenoid sinus drain into
sphenoethmoidal recess
29
where does the lacrimal gland sit
just below outer eye brow
30
where does the lacrimal gland drain into
nasolacrimal duct
31
what is sinusitis
inflammation of the paranasal sinuses
32
what are some causes of sinusitis
infection, allergy, autoimmune issues
33
where can sinusitis pain be referred to
teeth
34
what does the temporal bone contain
organs of hearing and balance, facial and vestibulocochlear nerves
35
What is the pterion
the thinnest part of the skull
36
what CN exits in the anterior fossa
CN1
37
which nerves exit the middle fossa (7)
CN2 (optic nerve), CN3 (oculomotor), CN4- trochlear, CN6-abducent CN5.1- trigeminal opthalmic CNV2- maxillary, CN3- mandibular
38
which nerves exit the posterior fossa
CNVII- Facial nerve, CN VIII vestibulocochlear, CN IX glossopharyngeal, X vagus, XI accessory, XII hypoglossal
39
what makes up the external ear
temporal bone, elastic cartilage (avascualr, nutrients from skin)
40
What is the middle part of the external ear called
external acoustic meatus
41
what are the three landmarks on the ear called
triages, helix and ear lobe
42
which nerve innervates most of external ear
C2,3
43
What does the CNX and CNV3 supply?
EAM and tympanic membrane
44
where does the lymph in lateral superior half of auricle drain to
parotid lymph nodes
45
where does the cranial surface of superior half drain to
mastoid lymph nodes
46
where does the auricle lymph drain to
superficial lymph nodes
47
what is involved in a otoscopic examination
EAM and tympanic membrane
48
how do you straighten EAM in a child
pull the ear down nd back
49
how do you straighten ear in adults
Up and back
50
what is the most depressed part in the upper ear
the umbo
51
what supplies the tympanic membrane?
V3, IX
52
what does the eustachian tube do
connects middle ear to the nasopharynx
53
what can mimic ear ache
tonsilitis and pharyngitis
54
what joint connects the 3 ossicles
synovial joint
55
name a branch of the facial nerve
chords tympanii
56
what does the chords tympanii do?
anterior 2/3rd of tongue
57
what does the stapedius do
protect inner ear from excessive noise
58
what 2 things do V3 supply
facial expression and sublingual salivary glands
59
what is the circular muscle called that surrounds the eye
orbicularis oculi
60
what 4 things can you ge the patient to do to test he function of the facial expression muscles
frown, close eyes tightly, smile, puff out cheeks
61
what shape of a window opens into the internal acoustic meatus
oval
62
which part of vestibulocochlear controls the hearing
cochlear
63
which part of vestibulocochlear contains the balance
vestibular
64
what symptoms would you get with CNVIII damage
loss of facial expression, taste, dry mouth, reduced sensation in auricle
65
What symptoms would you get with CNVIII damamge
loss of hearing and or balance
66
where is the anterior surface of the tongue
when tongue is lifted up it is there
67
point to the frenulum
x
68
what do sublingual papillae do
open for ducts of submandibular salivary glands
69
where do you find the lingual vein
on ventral side of tongue
70
where are sublingual folds
under tongue either side of the frenulum
71
what are the 3 major salivary glands
parotid, submandibular, sublingual
72
where od you find the parotid gland
infront of your ear
73
what does the parotid duct pierce through
buccinator then opens on the parotid papilla
74
where is the submandibular gland
onto e side of mandible, opens on the sublingual papilla
75
where is the sublingual gland?
underneath the tongue
76
what is the muscle of the floor of the mouth?
mylohyoid
77
what does the chords tympanii branch "hitch a ride onto"
CNV3 branch called the lingual nerve
78
What supplies the sublingual salivary gland?
CNVII
79
what supplies the submandibular gland?
CN VII parasympathetic axons
80
What supplies the muscles of facial expression
CNVII
81
What supplies the parotid gland
parasympathetic innervation of CN IX, then 'hitches a ride' on CNV3 (auriculotemporal branch)
82
what mucosa is the tongue covered in
lingual mucosa
83
What is the general sensory supply of the anterior 2/3rd of tongue
CN V3,
84
what is the special sensory supply of anterior 2/3 tongue?
CN VII
85
is the posterior 1/3 tongue in the oral cavity?
nahhh
86
what is the general nd sensory supply in the posterior tongue?
CN IX
87
what significance does th foramen caecum have?
origin of thyroid gland
88
what do the valuate papillae contain?
taste buds
89
where would thyroglossal duct cysts and ectopic thyroid tissue be located?
in midline of thyroid
90
what 4 muscles suspend the tongue?
palatoglossus, genioglossus, hyoglossus and styloglossus
91
what do the extrinsic tongue muscles do?
change position of tongue during mastication, swallowing and speech
92
which compartment of skull can the hypoglossal nerve be found
occipital bone
93
what does the CNXII supply
most muscles of the tongue
94
how do you test the function of CNXII
stick tongue straight out
95
what is the blood supply to the tongue
lingual artery (look for the loop)
96
where would you find palatine tonsils
between he arches of soft palate
97
what feature do you find on the palatine bones?
palatal rugae
98
what are the 4 pairs of muscles that innervate the soft palate
levator veli palatini tensor veli palatini palatoglossus palatopharyngeus
99
what supplies the skeletal muscles of the soft palate
CN X excepts tensor veli palatine which is CNV3
100
How do you test the nerves that supply the soft palate muscles (CN X and CNV3)
ask patient to say aaaah
101
what is the circular layers at back of pharynx innervated by
CN X
102
what do the circular muscles of the pharynx insert on to?
midline raphe
103
what are the 3 longitudinal muscles of the pharynx
stylopharyngeus, palatopharyngeus, salpingopharyngeus
104
what nerve supply do the 3 longitudinal pharyngeal muscles have?
CN IX for stylopharyngess and palatopharyngeus and CNX for Salpingopharyngeus
105
where do you find lingual tonsil
posterior 1/3 of tongue
106
where are tubal tonsils
in the mucosa of eustachian tube opening
107
where are th phalangeal tonsil "adenoid"
in roof of nasopharynx
108
what drains into the submental lymph nodes
tip of the tongue
109
what drains into the submandibular nodes?
nasal cavity and oral cavity
110
what drains into the retropharyngeal nodes?
nasal conchae
111
what does the jugulo-digastric node drain/
palatine tonsils
112
what encloses the larynx?
pre tracheal fascia of neck
113
in what vertebrae does the larynx lie between?
C4-C6
114
what level does the hyoid bone sit at
C3
115
where does the cricothyroid cartilage sit
C6
116
at what level does the larynx become the phaeynx
C6
117
what is the muscle called that completes the posterior wall of the trachea
trachealis
118
where does the arytenoid cartilage sit
posterior larynx, beneath the epiglottis
119
when pressing on the cricoid cartilage what do you compress
oesophagus
120
what do vocal cords attach between
the arytenoid cartilages and the thyroid cartilage
121
what is the space through the vocal cords called
rima glottidis
122
what is most of the larynx mucosa mad cup of
respiratory epithelium
123
what is the vocal cords mucosa
stratified squamous epithelium
124
what is the superior surface of the vocal cords called
false vocal cords
125
what is the sensory innervation of the laryngeal mucosa
vagus nerve
126
what specifically supplies the false vocal cords
superior laryngeal branches of CNX
127
what supplies the true vocal cords
recurrent laryngeal branches of CNX
128
hat kind of innervation dose the vagus nerve supply to larynx
sensory and motor
129
what are the intrinsic muscles of larynx supplied by
motor branches of the vagus nerve
130
what do the cricothyroid muscles do
tense the vocal cords, nod the thyroid cartilage
131
what do the thyro- arytenoid muscles do
relax vocal cords and pull arytenoid cartilage towards thyroid
132
what do crico-arytenoid muscles do
adduct vocal cords
133
what do posterior crico-arytenoid muscles do
abduct the vocal cords, wine rims glottides
134
what muscles are used for phonation
arytenoids
135
what muscle is involved in whispering
lateral circa-arytenoids
136
what muscles are used for inspiration
diaphragm and intercostal muscles
137
what CN are important in articulating words
CN V3, X, VII and XII
138
how to test vagus nerve
swallow water, hoarse voice? cough