Chapter 9

Question 1

List the components of a reflex arc

Answer 1

Sensory receptor
Afferent neuron
Integration center
Efferent neuron
Effector organ

Question 2

What does a muscle spindle sense

Answer 2

Length and rate of change in length

Question 3

What does an afferent neuron do?

Answer 3

Sends information to the integration center/CNS

Question 4

What does an interneuron do

Answer 4

Provides information between two neurons

Question 5

What does an efferent neuron do

Answer 5

Sends information from the integration center/CNS

Question 6

List the neurons involved in the stretch reflex arc

Answer 6

Afferent neuron from the muscle spindle
Efferent neuron to the quadriceps
Interneuron
Efferent neuron to the hamstrings

Question 7

What part of the brain initiates signals for a movement to occur

Answer 7

Motor cortex

Question 8

What area send the signals to the muscles

Answer 8

Pyramidal tract

Question 9

What is the purpose of the basal ganglia

Answer 9

Coordinate complex movements

Question 10

What direct innervates the muscle?

Answer 10

Motor neuron

Question 11

What part of the brain will make adjustments

Answer 11

Cerebellum