Author Question: In some (although not all) cases of multiple sclerosis, one of the first symptoms noticed is a ... (Read 79 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?

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?

Intradermal injections are somewhat difficult to correctly administer because the skin layers are so thin that it is easy to accidentally punch through to the deeper subcutaneous layer.

Did you know?

Stroke kills people from all ethnic backgrounds, but the people at highest risk for fatal strokes are: black men, black women, Asian men, white men, and white women.

Did you know?

People about to have surgery must tell their health care providers about all supplements they take.

Did you know?

In most cases, kidneys can recover from almost complete loss of function, such as in acute kidney (renal) failure.

For a complete list of videos, visit our video library