ENT Flashcards

(47 cards)

1
Q

Most reliable landmark of TMembrane

A

Lateral process of malleus

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2
Q

Most mobile part of tympanic membrane

A

Umbo

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3
Q

Cone of light falls where in Tympanic membrane

A

Antero inferior quadrant of pars tensa

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4
Q

Which nerve on face gets thickened in laprosy?

A

Great auricular nerve

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5
Q

nerve supply to Antero superior EA canal

A

Auricotemporal nerve- Branch of V3

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6
Q

Nerve supply to floor/antero inferior EA canal

A

Arnold’s vranch of vagus

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7
Q

Nerve supply to Posterior superior EA canal

A

Facial nerve

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8
Q

Nerve supply to anterior half of lateral aspect of TM

A

Auricotemporal nerve- Branch of V3

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9
Q

Nerve supply to posterior half of lateral aspect of TM

A

Arnold’s nerve branch of Vagus

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10
Q

Nerve supply to medial aspect of TM

A

Jacobson’s nerve- branch of Glossopharyngeal nerve

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11
Q

Oval window is covered by which structure?

A

Foot plate of stapes

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12
Q

Round window is covered with which structure?

A

Secondary tympanic membrane

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13
Q

Which muscle hook around the processus cochleariformis and where it is attached?

A

Tensor tympani

Attached to handle of malleus

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14
Q

Which nerve supplies to tensor tympani and tensor vali palitini?

A

Mandibular nerve

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15
Q

Archuate eminance in tegmen of middle ear is due to which structure?

A

Superior semicircular canal

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16
Q

Promontary on medial wall of middle ear is formed due to which structure?

A

1st turn/ basal turn of cochlea

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17
Q

Dome of which structure is present on medial wall of middle ear?

A

Lateral semicircular canal

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18
Q

Which muscle arises from posterior wall of middle ear and attaches to which structure?

A

Stapedius

To neck of stapes

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19
Q

Which nerve supplies to stapedius?

20
Q

Lateral scc= another Name of semicircular canal- Which head movement it is involved- Which nystagmus it produces

A

Horizontal scc
No no movement
Horizontal nystagmus

21
Q

Posterior scc= another Name of semicircular canal- Which head movement it is involved- Which nystagmus it produces

A

Vertical scc
Yes yes movement
Vertical nystagmus

22
Q

Anterior scc= another Name of semicircular canal- Which head movement it is involved- Which nystagmus it produces

A

Superior scc
Ear to shoulder movement
Torsional nystagmus

23
Q

Which structure of inner ear detects horizontal linear acceleration?

24
Q

Which structure of inner ear detects vertical linear acceleration?

25
In waber test, sound better heard in diseased ear- which type of hearing loss in which ear?
Conducive hearing loss in diseased ear
26
In waber test, sound better heard in healthy ear- which type of hearing loss in which ear?
Sensorineural hearing loss of other diseased ear
27
In ear testing, AC is more than BC, 2 findings?
Normal finding | Unilateral sensorineural hearing loss
28
In ear testing, BC more than AC, 3 findings?
External ear pathology Middle ear pathology Severe unilateral SNHL/ dead ear
29
Boiler’s notch in NIHL is seen at which frequency?
4000hz
30
No AB gap with dip at 4000hz in pure tome audiometry?
NIHL
31
Air bone gap is present of 40db on pure tone audiometry- Diagnosis?
Conductive hearing loss
32
Ac and Bc curves have come down and AB gap is present in pure tone audiometry- diagnosis
Both mixed CHL and SNHL
33
Carhart’s notch is seen in which condition and at which frequency?
Otosclerosis At 2000hz in bone conduction
34
Which 3 sinuses opens in Osteo meatal complex which presents in middle meatus?
Frontal anterior ethmoidal maxillary sinus
35
Naso lacrimal duct open in which meatus?
Inferior meatus
36
Out of eight bones of lateral wall of nasal cavity which are four bones apart from paranasal sinus bones?
Nasal bone Palatine bone Inferior turbinate Lacrimal bone
37
Out of 7 bones of medial wall of nasal cavity which are 3 bones apart from paranasal sinus bones?
Palatine bone nasal bone vomer
38
Which artery doesn’t contribute to bleeding from little’s area?
Posterior Ethmoidal artery
39
Artery of epistaxis
Sphenopalatine artery
40
Which artery is never ligated in epistaxis management?
Internal carotide artery
41
Mc sinus involved in rhinosinusitis?
Maxillary sinus
42
Merciful anosmia is finding in which disease? 2 names
Atrophic rhonosinusitis/ ozeana
43
Miculicz cells and russell bodies are seen in which nasal atrophic disease? 2 names
Rhinoscleroma/ respiratory scleroma
44
Which are the causative agents of rhinoscleroma? 2 names
Klebisiella rhinoscleromatosis/ Frisch bacillus
45
Woody/hebra/tapir nose is found in which disease? 2 names
Rhinoscleroma/ respiratory scleroma
46
Aquatic protozoa causing nasal disease?
Rhinosporidiosis
47
Which disease of nose has strawberry granuloma?
Rhinosporidiosis