Chapter 9 Flashcards
1
Q
How many neurons are involved in a stretch reflex?
A
4
2
Q
A muscle spindle senses what
A
Length and rate of change
3
Q
What part of the brain coordinates movements?
A
Cerebellum
4
Q
If you are flexing your knee, you will experience inhibition in what muscle group.
A
Quadriceps
5
Q
The afferent neuron sends information to the CNS.
A
True
6
Q
When you get hit on the knee, and your knee extends, the fact that your hamstrongs relax/dont contract is due to
A
Reciprocal Inhibition
7
Q
List the five steps of a reflex arc
A
- Sensory Receptor
- Afferent Neuron
- Integration Center
- Efferent Neuron
- Effector Organ
8
Q
Describe the function of a muscle spindle and how a stretch reflex works
A
The muscle spindle senses length and rate of change
