Answer:
True
Explanation:
The scala vestibuli contain perilymph in which there is a domination of Na+ ion which is K+ in endolymph. endolymph has domination of K+ because they have very large potential as compared to perilymph this is also called endocochlear potential . there is a potential difference of about 150 mV across the stereocillary membranes that drive cations through mechanotransduction channels