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Author Question: Which of the following is consistent with Galvani's experiment ? A) The brain contains air-filled ... (Read 57 times)

danielfitts88

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on: Jun 22, 2018
Which of the following is consistent with Galvani's experiment ?
 
  A) The brain contains air-filled chambers.
  B) Nerves are filled with air and exert a vacuum pressure..
  C) Muscles comprise the mind.
  D) Electrical stimulation of a nerve can evoke contraction of a muscle, even when the nerve has been disconnected from the rest of the body.
  E) The brain controls the muscles of the body.

Question 2

The significance of Galvani's experiment involving stimulation of an isolated frog muscle is that it proved that
 
  A) fluid flow along nerves causes muscles to contract.
  B) the muscles are activated by electrical nerve signals.
  C) reflexes can be explained using a hydraulic model.
  D) a reflex is a process controlled by the mind.
  E) the mind controls the movements of the body.


AISCAMPING

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

Answer: D
Rationale: Galvani's experiment showed that electrical stimulation of a nerve can evoke contraction of a muscle, even when the nerve has been disconnected from the rest of the body.

Answer to Question 2

Answer: B
Rationale: The significance of Galvani's experiment involving stimulation of an isolated frog muscle is that it proved that the muscles are activated by electrical nerve signals.


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danielfitts88

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Reply #2 on: Jun 22, 2018
Thank you!


AISCAMPING

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Reply #3 on: Jun 22, 2018
Happy to help


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