Author Question: In some (although not all) cases of multiple sclerosis, one of the first symptoms noticed is a ... (Read 63 times)

pepyto

  • Hero Member
  • *****
  • Posts: 547
In some (although not all) cases of multiple sclerosis, one of the first symptoms noticed is a reduction in sensation from distal parts of the body, such as feet and hands. Which of the following statements best explains why this might happen?
 
  a. The fibers of the axons are reduced in diameter, so the information can't travel fast enough.
  b. Neural signaling may not work properly as a result of nervous system demyelination.
 c. The fibers of the axons are enlarged, slowing the neural transmission.
 d. The neurons have degenerated and are no longer producing neural transmission.

Question 2

A single oligodendrocyte may myelinate axons from an average of _____ different neurons.
 
  a. 2
 b. 5
 c. 10
  d. 15



lorealeza

  • Sr. Member
  • ****
  • Posts: 345
Answer to Question 1

b

Answer to Question 2

d



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question


 

Did you know?

Your chance of developing a kidney stone is 1 in 10. In recent years, approximately 3.7 million people in the United States were diagnosed with a kidney disease.

Did you know?

Hyperthyroidism leads to an increased rate of metabolism and affects about 1% of women but only 0.1% of men. For most people, this increased metabolic rate causes the thyroid gland to become enlarged (known as a goiter).

Did you know?

You should not take more than 1,000 mg of vitamin E per day. Doses above this amount increase the risk of bleeding problems that can lead to a stroke.

Did you know?

The horizontal fraction bar was introduced by the Arabs.

Did you know?

Certain rare plants containing cyanide include apricot pits and a type of potato called cassava. Fortunately, only chronic or massive ingestion of any of these plants can lead to serious poisoning.

For a complete list of videos, visit our video library