« previous next »

Author Question: Which of the following is consistent with Galvani's experiment ? A) The brain contains air-filled ... (Read 64 times)

danielfitts88

  • Hero Member
  • *****
  • Posts: 535
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

  • Sr. Member
  • ****
  • Posts: 347
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.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

danielfitts88

  • Hero Member
  • *****
  • Posts: 535
Reply #2 on: Jun 22, 2018
Thank you!


AISCAMPING

  • Sr. Member
  • ****
  • Posts: 347
Reply #3 on: Jun 22, 2018
Happy to help


« previous next »
 

Did you know?

The first successful kidney transplant was performed in 1954 and occurred in Boston. A kidney from an identical twin was transplanted into his dying brother's body and was not rejected because it did not appear foreign to his body.

Did you know?

Alzheimer's disease affects only about 10% of people older than 65 years of age. Most forms of decreased mental function and dementia are caused by disuse (letting the mind get lazy).

Did you know?

The Babylonians wrote numbers in a system that used 60 as the base value rather than the number 10. They did not have a symbol for "zero."

Did you know?

Although the Roman numeral for the number 4 has always been taught to have been "IV," according to historians, the ancient Romans probably used "IIII" most of the time. This is partially backed up by the fact that early grandfather clocks displayed IIII for the number 4 instead of IV. Early clockmakers apparently thought that the IIII balanced out the VIII (used for the number 8) on the clock face and that it just looked better.

Did you know?

Common abbreviations that cause medication errors include U (unit), mg (milligram), QD (every day), SC (subcutaneous), TIW (three times per week), D/C (discharge or discontinue), HS (at bedtime or "hours of sleep"), cc (cubic centimeters), and AU (each ear).

The nervous system is described as having two interconnected divisions: the central nervous system ( The nervous system is described as having two interconnected divisions: the central nervous system (
Embolus traveling to the brain. Embolus traveling to the brain.
Key anatomical features of Homo habilis include reduced facial size, a parabolic palate, and some br Key anatomical features of Homo habilis include reduced facial size, a parabolic palate, and some br
The Adolescent Brain and Schizophrenia The Adolescent Brain and Schizophrenia
In a double-slit experiment, the slit separation is 1.75 mm, and two coherent wavelengths of ... In a double-slit experiment, the slit separation is 1.75 mm, and two coherent wavelengths of ...
The Lederberg–Zinder experiment using Salmonella The Lederberg–Zinder experiment using Salmonella
Video: Summary of female reproductive cycle days 1-28

For a complete list of videos, visit our video library