2 - ENT mcqs - 11 to 16

11) Why is a vocal cord pale ?
a. Vocal cord is muscle, lack of blood vessels network
b. Absence of mucosa, no blood vessels
c. absence of sub mucosa, no blood vessels
d. absence of mucosa with blood vessels

Answer : c) absence of sub mucosa, no blood vessels
Reference: Gray 38th Edition Chapter on larynx

12) Presbycusis is
a. Age associated vision loss
b. Age associated hearing loss
c. Both
d. None

Answer : b) Age associated hearing loss
Reference: Dhingra 3rd Edition Page 47

13) Acoustic dip in audiogram in noise induced hearing loss is at
a. 4 KHz
b. 3 KHz
c. 2 KHz
d. 1 KHz

Answer : a) 4 KHz
Reference: Dhingra 3rd Edition Page 46

14) False positive fistula test
a. Perilymph fistula
b. Malignant sclerosis
c. Congenital syphilis
d. Cholesteatoma
Answer : c) Congenital Syphilis
Reference: Dhingra 3rd Edition Page 53

15) Reaction time for tymphanic reflex is
a. 20 to 30 ms
b. 30 to 40 ms
c. 40 to 160 ms
d. 600 to 800 ms

Answer : c) 40 to 160 ms
Reference: ganong 22nd Edition Page 179

16) Columella effect is seen in
a. Tympanoplasty
b. Septoplasty
c. Tracheostomy
d. None of the above

Answer : a) Tympanoplasty
Reference: Dhingra 3rd Edition Page 40