Which of the following is not a possible cause of conduction deafness?
A) impacted cerumen
B) middle ear infection
C) cochlear nerve degeneration
D) otosclerosis
Answer: C
Which of the following is not a possible cause of conduction deafness?
A) impacted cerumen
B) middle ear infection
C) cochlear nerve degeneration
D) otosclerosis
Answer: C