Since mastoid infections may spread to the brain surgical re

Since mastoid infections may spread to the brain, surgical removal of the mastoid process was once commend to be the best way to prevent brain inflammation. Unfortunately, this also had the side-effect of causing_____ deafness in the adjacent ear impaired head and neck movements difficulties in maintaining body balance swallowing problems

Solution

A mastoidectomy is the surgical process that removes diseased mastoid air cells. These cells sit behind your ears in a hollow space in your skull. The major side effect of this process is deafness in the adjacent ear, abscess in the brain, dizziness, damage to your facial nerves that causes paralyis etc.

So, the correct answer is option A (Deafness in the adjacent ear).