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Author Question: The hair cells of the cochlea and those of the vestibular sacs are similar in that A) hair cells ... (Read 66 times)

RYAN BANYAN

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on: Jun 22, 2018
The hair cells of the cochlea and those of the vestibular sacs are similar in that
 
  A) hair cells in each system are activated by a shearing force exerted on the cilia.
  B) each hair cell in each system contains one cilium.
  C) hair cell activation is accompanied by the closing of membrane ion channels.
  D) each ciliary membrane is hyperpolarized by movement of the cilia.
  E) Hair cells in each system are replaced weekly..

Question 2

The connection of the vestibular system with brain stem nuclei functions to
 
  A) adjust eye movements to compensate for sudden head movements.
  B) control movement of the lower legs.
  C) provide inhibitory feedback onto the auditory system during exposure to loud stimuli.
  D) generate a cue that promotes the sensation of depth in a visual scene.
  E) suppress nausea and vomiting induced by body movement.


flannelavenger

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Reply #1 on: Jun 22, 2018
Answer to Question 1

Answer: A
Rationale: The hair cells of the cochlea and those of the vestibular sacs are similar in that hair cells in each system are activated by a shearing force exerted on the cilia.

Answer to Question 2

Answer: A


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