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I pledge that I have neither given nor received information on this exam and pledge to uphold the GMU honor code:

(2 points) What membrane do the hair cells bend against in the macula?

(2 points)  What is the receptor that responds to changes in static equilibrium?

 (2 points) What is the location on the retina where only cone photoreceptors are located?

 (2 points)  Provide a specific example of a hormone, and where it is secreted from, that is released in response to a neural stimulus.   Hormone: Where it is secreted from:

(1 point) What is actually happening when you “pop” your ears?  What is opening?

(2 points)  How do water soluble hormones exert their action?  _________________________.

(1 point) A sound’s pitch is a function of the   _______________________________ of the sound wave.

(3 points) What is the function of the tensor tympani and stapedius muscles?

(9 points) Complete the chart regarding structures of the inner ear: Bony labyrinth Membranous labyrinth Receptor