L112: Reflex Movements Flashcards
1
Q
What way do sensory pathways travel?
A
Ascending
periphery-CNS-sensory cortex
2
Q
How many neurones are involved in sensory pathways?
A
3
first, second and third order
3
Q
What way do motor pathways travel?
A
Descendig
motor cortex- CNS
4
Q
How many neurones are involved in motor pathways?
A
2
5
Q
Why are reflex pathways quicker?
A
No relay to the brain, processed at a segmental (spinal cord) level
6
Q
What are somatic reflexes?
A
Maintenance of posture and muscle tone
7
Q
How are somatic reflexes managed?
A
- Stretch muscle fibres;
- Stretches sensory fibres;
- Body reacts to contract muscle fibres back into position.