Correctly identify the following structures of the cochlea. Cochlear duct Cochlear nerve Scala tympani Scala vestibuli Vestibular membrane Spiral organ Spiral ganglion Oval window

Name the A, B, C, D, E, F by given option.

How is sound transmitted from the environment outside the body to the inner ear? What structures are involved, and how do they transmit sound? Please include references.

You are experiencing some hearing loss. You don’t work with loud machinery or go to loud concerts. But, you do work in a busy smoothie bar, so have regular exposure to a loud blender. The ear doctor tells you that although blenders are only moderately loud, frequent exposure to sound levels greater than _______ (like the blender) has most likely caused damage to the cochlear hairs that produce those sounds.     75 dB     95 dB     125 dB     150 dB     175dB