In the two groups of descending tracts in the motor system, ...

[folubunmi]

In the two groups of descending tracts in the motor system, neurons of the ________ control the movements of the body trunk, whereas neurons of the ________ control movements of the hands and fingers.
 
  a. ventromedial group; lateral group
  b. primary motor cortex; secondary motor cortex
  c. lateral group; ventromedial group
  d. premotor cortex; nigrostriatal bundle
  e. secondary motor cortex; primary motor cortex

Question 2

Damage involving the ________ tract would be expected to impair posture.
 
  a. lateral corticospinal
  b. vestibulospinal
  c. tectospinal
  d. reticulospinal
  e. premotor-striatal

[macybarnes]

Answer to Question 1

Answer: a. ventromedial group; lateral group

Answer to Question 2

Answer: b. vestibulospinal

[folubunmi]

Excellent

[amandanbreshears]

Gracias!