The motor units of the thumb, fingers, and face contain the A) ...

[schs14]

The motor units of the thumb, fingers, and face contain the
 
  A) fewest muscle fibers.
  B) most muscle fibers.
  C) fewest motor neurons.
  D) most motor neurons.
  E) most extensors.

Question 2

In the classic experiments of Lawrence and Kuypers, the descending motor tracts of monkeys were transected. The results of these experiments suggest that the function of the ventromedial pathways is the control of
 
  A) posture.
  B) movements of the body core and associated arm movements.
  C) reaching for objects.
  D) all of the above
  E) both A and B

[ambernicolefink]

Answer to Question 1

Answer: A

Answer to Question 2

Answer: E

[schs14]

Thank you

[ambernicolefink]

No problem