Question textWhich of the following is NOT a cause of conductive hearing loss?Select one:a. Otitis mediab. Congenital malformation of the inner earc. Congenital malformation of the outer or middle eard. Perforated eardrum.
Question
Question textWhich of the following is NOT a cause of conductive hearing loss?Select one:a. Otitis mediab. Congenital malformation of the inner earc. Congenital malformation of the outer or middle eard. Perforated eardrum.
Solution
The correct answer is:
b. Congenital malformation of the inner ear
Conductive hearing loss is caused by problems with the ear canal, ear drum, or middle ear and its little bones (the malleus, incus, and stapes). Therefore, a congenital malformation of the inner ear would not cause conductive hearing loss, but rather sensorineural hearing loss, which is caused by problems in the inner ear, specifically the cochlea or the nerve pathways from the inner ear to the brain.
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