1. Which of these is not a way in which motor units can be activated?
- Descending motor pathways
- Spinal nerve reflexes
- Cranial nerve reflexes
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Other questions in this quiz
2. Do type I motor units exhibit fast or slow responses?
3. Which of these is not a function of the descending motor pathways?
- To transmit sensory information to the cerebral cortex
- To activate motor units
- To alter the strength of reflexes
4. Which of these is false when considering lateral descending motor pathways?
- They control muscle groups in the limbs, mainly the distal parts
- They descend in the contralateral lateral funiculus
- They have a greater effect on extensors than flexors
- They have a function in fine, independent dexterity
- The terminations are focused on contralateral lateral interneurones and motorneurones
5. Which of these is false when considering medial descending motor pathways?
- The main origin is the primary motor cortex
- The terminations of this system are bilateral and widely dispersed
- The control muscles groups in the neck, trunk and proximal limbs
- They have an anti-gravity function
- They descend in the ventral funiculus