NURSING EXAM QUESTIONS
MEDICAL SURGICAL NURSING
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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scala vestibule and scala media
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scala media and scala tympani
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both (a) and (b)
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scala vestibule and scala tympani
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Detailed explanation-1: -The basilar membrane is a stiff structural element within the cochlea of the inner ear which separates two liquid-filled tubes that run along the coil of the cochlea, the scala media and the scala tympani.
Detailed explanation-2: -Reissner’s membrane separates scala media from scala vestibuli, and the basilar membrane separates the scala media from the scala tympani.
Detailed explanation-3: -Between the scala media and the scala tympani is a structure called the organ of Corti.
Detailed explanation-4: -The scala tympani and the scala media are separated by the basilar membrane, whereas the scala media and the scala vestibuli are separated by the Reissner membrane. The scala tympani and the scala vestibuli join together at the apex of the cochlea to form the helicotrema.
Detailed explanation-5: -Both scala vestibuli and tympani are filled with perilymph. Whereas, scala media is filled with endolymph.