Which of the following statements about hair cells in the ear is FALSE?
A) Only the inner hair cells of the cochlea function directly in sound transduction.
B) When potassium channels in hair cells open, potassium ions move into the cell, depolarizing it.
C) There are three rows of outer hair cells and one row of inner hair cells.
D) Both the hair cells for hearing and those for equilibrium are depolarized when bent toward the kinocilium.
E) Hair cells are surrounded by endolymph.

Question

Quizplus · Accepted Answer

Hair cells for hearing (in the cochlea) do not have a kinocilium; they are depolarized by the movement of their stereocilia. The concept of kinocilium applies to hair cells involved in equilibrium (in the vestibular system), not those for hearing.

Which of the Following Statements About Hair Cells in the Ear