ENT MCQs For Medical Students | ENT Questions For Medical Students
1. True about tympanic membrane?
attached to oval window
forms an angle of 55 degree with exteran auditory canal
Chordae tympany nerve passess through pars tensa
Cone of light forms on anteriosuperior quadrant
2. Length of Eustachian tube?
24 mm
36 mm
46 mm
26 mm
3. Sense organ of hearing is?
Organ of Corti
Cristae
Macula
None
4. Not included in bony labyrinth?
Cochlea
Semicircular canal
Organ of corti
Vestibule
5. Endolymph is present in?
Scala media
Scala vestibule
Scala tympani
Cochlear aqueduct
6. Ceruluminous glands present in the ear are?
Modified eccrine glands
Modified apocrine glands
Mucous glands
Modified holocrine glands
7. What is the colour of normal tympanic membrane?
Pearly white
Grey
Yellow
Red
8. Surface area of tympanic membrane?
55 mm2
70 mm2
80 mm2
90 mm2
9. Cone of light is seen in which part of tympanic membrane?
Anterior superior quadrant
Posteriosuperior quadrant
Anterior inferior quadrant
Posterior inferior quadrant
10. In otoscopy the most reliable sign is?
Lateral process of malleus
Handle of malleus
Umbo
Cone of light
11. What is the type of joint in ear oscicles?
Fibrous joint
Primary cartilaginous
Secondary cartilaginous
Synovial joint
12. Inner ear is present in which bone?
Parietal bone
Petrous part of temporal bone
Occipital bone
Petrous part of squamosal bone
13. Stapes footplate covers?
Round window
Oval window
Inferior sinus tympani
Pyramid
14. Organ of Corti is situated in?
Scala media
Scala tympani
Scala vestibule
Semicircular canal
15. Endolymph is present in?
Bony labyrinth
Scala media
Scala vestibule
scala tympani
16. Fetus can start hearing by which time of intrauterine life?
14 weeks
20 weeks
32 weeks
33 weeks
17. Normal threshold of hearing in young adult is?
0 dB
10 dB
20 dB
30 dB
18. Bones of middle ear are responsible for which of the following?
Amplification of sound
Reduction of sound intensity
Protecting the inner ear
Reduction of impedance to sound transmission
19. All are causes of sensory neural hearing loss except?
Old age
Cochlear otosclerosis
Loud noise
Rupture of tympanic membrane
20. Virus causing Acute SNHL?
Coronavirus
Mumps virus
Adeno virus
Rota virus
21. According to WHO definition of hearing loss, profound degree of hearing loss is at?
61 – 75 dB
> 80 dB
> 90 dB
> 100 dB
23. Commonest cause of deafness is?
Trauma
Wax
Acute masoiditis
Meniere’s disease
24. Prolonged exposure to noise level greater than the following can impair hearing permanently?
40 dB
85 dB
100 dB
140 dB
25. Frequency of tuning fork mostly used in ENT is?
256 Hz
512 Hz
1024 Hz
2048 Hz
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