This topic contains a solution. Click here to go to the answer

Author Question: In 1870, Fritsch and Hitzig reported that electrical stimulation of the ________ in dogs resulted in ... (Read 175 times)

SGallaher96

  • Hero Member
  • *****
  • Posts: 509
In 1870, Fritsch and Hitzig reported that electrical stimulation of the ________ in dogs resulted in muscle contractions of ________.
 
  a. pineal gland; the facial muscles
  b. parietal cortex; the opposite side of the body
  c. corpus callosum; both hind legs
  d. primary motor cortex; the opposite side of the body
  e. globus pallidus; the same side of the body

Question 2

In his studies of nerve conduction velocity, Hermann von Helmholtz noted that
 
  a. electrical signal speeds differ from nerve to nerve.
  b. nerve conduction velocity is at the speed of light.
  c. nerves conduct signals faster than do electrical wires.
  d. the velocity of nerve conduction is slower in nerves than in wires.
  e. different sensory systems use different conduction speeds.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

chreslie

  • Sr. Member
  • ****
  • Posts: 307
Answer to Question 1

Answer: d. primary motor cortex; the opposite side of the body

Answer to Question 2

Answer: d. the velocity of nerve conduction is slower in nerves than in wires.





 

Did you know?

When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.

Did you know?

HIV testing reach is still limited. An estimated 40% of people with HIV (more than 14 million) remain undiagnosed and do not know their infection status.

Did you know?

Pink eye is a term that refers to conjunctivitis, which is inflammation of the thin, clear membrane (conjunctiva) over the white part of the eye (sclera). It may be triggered by a virus, bacteria, or foreign body in the eye. Antibiotic eye drops alleviate bacterial conjunctivitis, and antihistamine allergy pills or eye drops help control allergic conjunctivitis symptoms.

Did you know?

Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.

Did you know?

As of mid-2016, 18.2 million people were receiving advanced retroviral therapy (ART) worldwide. This represents between 43–50% of the 34–39.8 million people living with HIV.

For a complete list of videos, visit our video library