The shearing force that bends the tips of the inner hair cells in ...

[JMatthes]

The shearing force that bends the tips of the inner hair cells in response to movement of the basilar membrane arises from the
 
  A) linkage between the hair cells and the tectorial membrane.
  B) mechanical linkage between the hair cells and the tympanic membrane.
  C) movement of the round window.
  D) movement of the hair cells through the tectorial membrane.
  E) movement of fluid past the tips of the hair cells.

Question 2

________ are hair-like appendages that protrude from the ends of the auditory receptors in the organ of Corti.
 
  A) Cilia
  B) Rods
  C) Intrafusal fibers
  D) Extrafusal fibers
  E) Hair cells

[dreamfighter72]

Answer to Question 1

Answer: E
Rationale: The shearing force that bends the tips of the inner hair cells in response to movement of the basilar membrane arises from the movement of fluid past the tips of the hair cells.

Answer to Question 2

Answer: A