Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

PRIYA ENT > ENT summary flashcards > Flashcards

ENT summary flashcards

1
Q

what are the 4 bilateral paraympathetic ganglion of the head and neck?

A

CN3 - ciliary
CN 6 - pterygopalatine
CN 9 - submandibular
CN X - otic ganglion

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

what are the arterial supplies of epistaxis?

A

opthalamic artery - antieror + posterior ethmoid artery
maxillary artery - sphenopalatine artery + greater palatine artery
facial artery - septal branch of superior labial artery

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

histology of nasal vestibule

A

stratified squamous epithelium

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

histology of olfactory epithelium

A

specialised mucosa for olfaction

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

the olfaction pathway

A

receptor cells in olfactory epithelium > cribiform plate > synapse with olfactory bulb > neurons pass along olfactory tract > to temporal lobe + olfactory areas

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

describe tensor tympani muscle

A

runs from cartilaginous part of ET to handle of malleolus

dampens sound by reducing tympanic vibrations

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

what is tensor tympani innervate by

A

CN 3

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

what is the stapedius muscle

A

runs from pyramidal to neck of stapes

dampens sound by decreaseing vibration of stapes on oval window

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

what is stapidus muscle innervated by

A

CN VII

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

which muscles open ET to equalise pressure?

A

palate muscles

tensor veli palatine + levator palatine

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

what happens if the ATM >tymp membrane

A

tympanic membrane pushes in

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

what happens in ATM < tymp membrane

A

TM pushes out

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

which CN is responsible for generalised sensation of tympanic cavity?

A

CN IX (it travels down the ET)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

which CN innervates the back of the ear? (orange)

A

C2,3 via lesser occipital nerve

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

which CN innervates speckles on the inside of ear? yelllow

A

CN VII

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

which CN innervates the larger surface area of extenrnal ear? purple

A

C2,3 spinal nerves via greater auricular nerve

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

which CN innervates the medial part of extenral ear ? green

A

CN V3 via auriculotemporal nerve

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

which CN innervates inferior parts of EAM + tympanic membrane ? blue

A

CN X

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

what is the bony labrinth filled with?

A

perilymph

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

what is the membranous labrynth filed with ?

A

endolymph

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

what is the parasympathetic secretomotor supply of the facial nerve?

A

lacrimal gland + minor glands of nasal cavity, palate and nasopharynx

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

where is the primary auditory cortex located?

A

left superior temporal gyrus

broadman area 41/42

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

what are the muscles of the inner ear?

A

kinocilium + stereocilium

24
Q

how do each afferent takes fibres reach the brainstem ?

A

CN 7 - chorda tymapni branch of facial nerve - anterior 2/3rds of tongue
CN IX - posterior 1/3rd of tongue
CN x - areas other than the tongue eg epiglottis + pharynx

25
Q

what is bechets disease?

A

recurrent oral + genital ulcers
uveitis
visceral organs

26
Q

treatment for bacterial sore throat

A

penicllin

27
Q

complcaitions of bacterial sore throat

A

rheumatic fever - 3 weeks post sore throat, fever, arthritis, pancarditis
glomerulonephritis - 1-3 weeks post sore throat, haematomy, albuminuria + oedema

28
Q

what is included in the centor criteria

A

tonsillary exudate
tender anterior cervical lymph nodes
history of fever > 38
absence of cough

29
Q

describe the charcateristcs of diptheria?

A

severe sore throat with a grey membrane across the pharynx

30
Q

how to treat diptheria

A

penicillin

vaccine

31
Q

treatment of candida

A

nyastin / fluconazole

32
Q

treatment of OE

A

topical aural toilet + clomitrazole

33
Q

treatment of acute sinusisit

A

phenoxymethylpenicillin if >10 days

34
Q

histology of cholesteatoma

A

abnormal squamoous epithelium where its normally cuboidal or columnar glandular epithelium

35
Q

describe vestibular scwannoma

A
  • temporal bone

90% Of cerebellopontine angle tumours

36
Q

if vestibular scwannoma presents bilaterally in a young patient what do you suspect?

A

NF2

37
Q

is GPA ANCA + or -

A

+

38
Q

describe schneriderian papilloma

A

> 50 males
blocked nose
inverted + oncocystic on lateral walls + paranasal sinuses, enophytic on nasal septum

39
Q

describe paraganglioma

A

tumours arising in clusters of neuroendocrine cells dispersed through the body
chromaffin + (adrenal medulla) or - (aortic/carotid bodies)

40
Q

what is warthrins tumour?

A

2nd most common benign tumour
M >50
smoking association
bilateral and multicentric

41
Q

what is the most common malignant tumour of the palate?

A

adenoid cystic

42
Q

what is the courseof CN XII

A

medulla - hypoglossal canal - descends close to carotid sheath - courses lateral to hypoglossus into floor of mouth

43
Q

which space allows for infction to spread to the mediastinum?

A

retropharyngeal space

44
Q

sensory component of gag reflex, innervated by what?

A

stimuli presented to posterior 1/3 of tongue

innervated by CN IX

45
Q

motor component of gag reflex, innervated by what

A

closes off orophaarynx by muscular contraction

constriction of pharynx - CN X
longitudinal muscles of pharynx CN IX + X
tongue - CN XII
selt palate - CN X

46
Q

describe what the thyroarytenoid muscle does?

A

relaxes vocal ligament
decreases pitch
attaches posterior thyroid to anterior arytenoid cartilage

47
Q

describe what the cricothyroid muscle does?

A

tenses vocal ligaments
increases pitch
nods thyroid cartilage
attaches anteriolateral cricoid cartialge to inferior horn of thyroid cartilage

48
Q

what innervates mucosa above vocal folds?

A

internal laryngeal nevre

49
Q

what innervates mucosa below vocal folds?

A

inferior laryngeal nerve

50
Q

describe noise induced hearing loss

A

dip at 4htz

51
Q

drug induced hearing loss

A

gentamicin + aminoglucosides

52
Q

pathology behind BPPV

A

otoconia from urticle displcaement into posterior semicurcular canals

53
Q

histology of tonsils

A

speciliased squamous

54
Q

histology of adenoids

A

ciliated pseudosratified columnar

55
Q

which classificaiton is used for allergic rhinitis?

A

ARIA

PRIYA ENT (8 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions