19q: Nasopharyngeal carcinoma causes deafness by ?
a. Blocking the eustachian tube
b. serous otitis media
c. Temporal bone metastasis
20q: About otosclerosis, following are true except ?
a. more common in males
b. commonly unilateral
c. sensory neural hearing loss
d. stapedectomy done
21q: Bone which is pneumatic ?
22q: True about tympanic membrane ?
a. tympanosclerosis increases compliance
b. ossicular disruption with intact tympanic membrane decreases compliance
c. fluid in middle ear cavity increases compliance
d. otosclerosis decreases compliance
23q: True in temporal bone surgery ?
a. mastoid makes landmark
b. trautmenn's triangle used as a guide for incision
c. antrum acts as landmark