Multiple choice

Basilar membrane is present in the inner ear. Which of the following sentences is true for the basilar membrane?

  1. It separates endolymph from the corticolymph.

  2. It separates scala media from scala vestibuli.

  3. It separates the scala media from the scala tympani.

  4. It may be involved in the longitudinal propagation of energy in the intact cochlea.
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C Correct answer
Explanation

Basilar membrane separates the scala media from the scala tympani. These are two liquid-filled tubes that run along the coil of the cochlea.

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