All are subjective tests for audiometry except:: (A) Tone decay, (B) Impedance audiometry, (C) Speech audiometry, (D) Pure tone audiometry
Answer is B. (b) Impedance audiometry(Ref. Scott Brown, 6th ed., Vol 2; 2/12/1)Impedance audiometry is an objective test. It does not require the cooperation of patient.Other objective audiometry tests are; OAEs, Electrocochleography and BERA