Impedance audiometry is for pathology of: (A) External ear, (B) Middle ear, (C) Mastoid air cell, (D) Inner ear
Answer is B. It is done for the pathology of the middle ear. It is a test for conductive deafness. It is an objective test, widely used in clinical practice and is paicularly useful in children. It consists of: Tympanometry Acoustic reflex measurements. Ref: Dhingra; 6th Edition; pg no 24