<prompt> Site for placing an electrode in auditory brain stem Implant is:Sinus tympaniRecess of fourth ventricleRound windowLateral ventricle  <response>: Ref. Diseases of Ear, Nose and Throat. Pg 127 Auditory brainstem implants have three main parts:A microphone and sound processor positioned behind the ear to pick up soundsA decoding chip placed under the skin to transmit information picked up by the microphoneElectrodes connected directly to the brainstem4th ventricle recess, when stimulated, alert you to sound 