Chapter 21:
Nervous Systems
Practice Test
1.
What is a nonconducting cell of the nervous system that insulates neurons?
a.
glial cell
b.
interneuron
c.
motor neuron
d.
sensory neuron
Hint
2.
What is a junction between a neuron and a second cell?
a.
dendrite
b.
interneuron
c.
axon
d.
synapse
Hint
3.
What cells carry the instructions from the nervous system to the effectors of the motor system?
a.
receptors
b.
sensory neurons
c.
motor neurons
d.
stimulators
Hint
4.
What types of cells transmit signals from one neuron to another within the central nervous system?
a.
motor neurons
b.
sensory neurons
c.
glial cells
d.
interneurons
Hint
5.
What cells in the human eye are responsible for peripheral vision?
a.
cornea
b.
iris cells
c.
rods
d.
cones
Hint
6.
What parts of the motor system carry out responses?
a.
responders
b.
stimulators
c.
receptors
d.
effectors
Hint
7.
What are cells that transmit impulses from sensory receptors, such as ears, to the nervous system?
a.
neurons
b.
skin cells
c.
muscle cells
d.
saliva glands
Hint
8.
What nervous system reduces an animal's readiness for action?
a.
central nervous system
b.
somatic nervous system
c.
parasympathetic system
d.
sympathetic system
Hint
9.
What nervous system is responsible for the fight-or-flight response of animals?
a.
somatic nervous system
b.
central nervous system
c.
parasympathetic system
d.
sympathetic system
Hint
10.
Which of these is part of the central nervous system?
a.
sensory neurons
b.
spinal cord
c.
cranial nerves
d.
motor neurons
Hint
