A Patient Presents in the Emergency Department with a Knife

Multiple Choice

A patient presents in the emergency department with a knife wound to the arm. It is noted that some of the muscles of his arm are paralyzed. Which of the following will take place in the neurons whose axons were severed?

A) their soma will shrink
B) their Schwann cells will be unable to undergo mitosis
C) the macrophages surrounding the axons will be unable to function
D) the nucleus of their soma will be displaced
E) the rough ER of their soma will increase in size