Frequencies lower than 200 Hz cause the
A) round window to bulge in but not out.
B) cilia embedded in the tectorial membrane to stretch in a circular motion.
C) very tip of the basilar membrane to vibrate in synchrony with the sound waves.
D) very tip of the tectorial membrane to vibrate in synchrony with the sound waves.
E) very tip of the cochlear membrane to vibrate in synchrony with the sound waves.

Question

Quizplus · Accepted Answer

Frequencies lower than 200 Hz cause the entire basilar membrane to vibrate in synchrony with the sound waves, rather than causing a specific localized vibration. This is because low frequencies have longer wavelengths, which are not as easily localized within the cochlea.

Frequencies Lower Than 200 Hz Cause the