<prompt> Lombard;s test is used in diagnosis ofConductive hearing lossSensorineural hearing lossMixed hearing lossNon-organic hearing loss  <response>: Lombard;s test: This test is based on Lombard;s principle. This principle says that one raises his her voice when speaking in the noisy environment. While performing this test, the patient is allowed to read a book. Noise is introduced into the ear. The noise is gradually increased till the patient raises his her voice or stops the process of reading. If there is no change in voice loudness level the patient does not have a functional hearing defect. 