Motor Pathways

HideShow resource information

1. Which of these is false when considering medial descending motor pathways?

  • The main origin is the primary motor cortex
  • They descend in the ventral funiculus
  • They have an anti-gravity function
  • The control muscles groups in the neck, trunk and proximal limbs
  • The terminations of this system are bilateral and widely dispersed
1 of 12

Other questions in this quiz

2. The stretch reflex is a?

  • Postural reflex
  • Protective reflex

3. Action potentials fired by 1a muscle spindle fibres increases when?

  • The muscle spindle fibre is being stretched
  • As the length of the muscle spindle fibre increases

4. A stroke affecting the medial descending motor pathways will have?

  • Little effect because the pathways have bilateral terminations
  • A large effect because the terminations are contralateral

5. Rhythmic movements, such as locomotion or chewing, are produced by?

  • Descending motor pathways
  • Central pattern generators (CPGs)
  • All three
  • Cranial nerve and spinal nerve reflexes

Comments

No comments have yet been made

Similar Medicine resources:

See all Medicine resources »See all Nervous System resources »