Which Statement Is Not True

Which statement is not true?

A) The transmembrane potential of a rod cell becomes more negative when the rod cell is exposed to light.
B) A photoreceptor releases the most neurotransmitter when in total darkness.
C) Whereas in vision the intensity of a stimulus is encoded by the degree of hyperpolarization of photoreceptors, in hearing the intensity of a stimulus is encoded by changes in firing rates of sensory neurons.
D) Stiffening of the ossicles in the middle ear can lead to deafness.
E) The interaction among hammer (malleus) , anvil (incus) , and stirrup (stapes) conducts sound waves across the fluid-filled middle ear.

Correct Answer:

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