ENT MCQ Quiz 25 (COM TTD - 10 Questions)
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Maximum hearing impairment is seen in
Antero inferior perforation
Postero superior perforation
Postero inferior perforation
Commonest etiology of COM TTD is
Upper respiratory tract infection
Injury to ear drum
A Schwartz operation is
Modified radical mastoidectomy
Facial nerve decompression
Which of these organisms is most common cause of COM TTD cases
Question 4 Explanation:
Gram negative organisms are asssociated with chronic otitis media cases
Which of these is Bonsin's test
Painting of drum with 1 in 20 % soloution of silver nitrate
Putting sterile water or antibiotic drops in ear
A tuning fork test
Question 5 Explanation:
Perforation stands out as black spot against white background
Patch test is done alongwith
Pure tone audiometry
Free field hearing tests
Audiometric Brainstem Evoked Response
A patient has a large central perforation. Which of these structures cannot be seen by otoscopy
Eustachian tube orifice
Stapes crura (Anterior & posterior)
Parts of ossicular chain
Question 7 Explanation:
Stapes crura are hidden by stapedius tendon
Which of these can be a feature of long standing COM TTD
Mixed hearing loss
Attico antral disease
All of the above
A patient has inactive COM TTD left with moderate central perforation and DNS Left Gd 2. How should the patient be advised for management.
No surgery as patient has inactive COM
Septoplasty followed by tympanoplasty
Tympanoplasty followed by septoplasty
Tympanoplasty as early as possible.
Under Sade's classification for pars tensa retraction, under which grade does the following come - "Retracted drum touching the promontory"
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