Chapter 25:
Nervous Control
Practice Test
1.
What cells transmit outgoing impulses to effectors?
a.
ganglia
b.
sensory neurons
c.
interneurons
d.
motor neurons
Hint
2.
In the brains of most vertebrates, impulses pass from sensory neurons to motor neurons through __________ .
a.
vertebrae
b.
interneurons
c.
blood vessels
d.
ganglia
Hint
3.
What part of the eye contains rod cells and cone cells?
a.
retina
b.
cornea
c.
iris
d.
pupil
Hint
4.
What cells transmit incoming impulses from receptors in sense organs and transmit them to coordination centers for interpretation?
a.
sensory neurons
b.
motor neurons
c.
interneurons
d.
ganglia
Hint
5.
What organs provide some central control of the nervous system in flatworms?
a.
nerve nets
b.
ganglia
c.
nerve cords
d.
several brains
Hint
6.
What is the motor area of the human brain?
a.
the midbrain
b.
the pons
c.
the cerebrum
d.
the cerebellum
Hint
7.
The human brain is protected by the skull and three layers of ____________ .
a.
meninges
b.
glands
c.
muscle
d.
skin
Hint
8.
Which of these is NOT part of a neuron?
a.
ganglion
b.
dendrite
c.
myelin sheath
d.
axon
Hint
9.
What effect do stimulants such as the caffeine in coffee have on the nervous control system?
a.
They have no effect on the nervous system.
b.
They decrease the activity of the nervous system.
c.
They increase the activity of the nervous system.
d.
They result in stimuli that do not reach the threshold level of intensity.
Hint
10.
What body system is closely related to the nervous control system?
a.
the circulatory system
b.
the respiratory system
c.
the endocrine system
d.
the digestive system
Hint
