Life Science

Chapter 21: Control and Coordination

Section 1 Self-Check Quiz-Eng.

1.
A stimulus is a change inside or outside your body that brings about __________.
A)a response
B)a reflex
C)a paralysis
D)a stimulant
2.
When you walk outside, the bright sunlight can cause you to quickly shut your eyes. What is the sunlight?
A)an external stimulus
B)an internal stimulus
C)an impulse
D)an overdose
3.
After you run 50 m as fast as you can, you might be out of breath. What process causes your breathing to return to its regular pattern?
A)reasoning
B)homeostasis
C)impulses
D)stimuli
4.
__________ carry messages away from the cell body of the neuron.
A)Dendrites
B)Axons
C)Lenses
D)Senses
5.
__________ receive messages and send them to the cell body of the neuron.
A)Axons
B)Dendrites
C)Synapses
D)Reflexes
6.
Your brain and spinal cord are joined to the other parts of your body through __________.
A)the skeletal system
B)the digestive system
C)the reproductive system
D)the peripheral nervous system
7.
One part of the central nervous system is the __________.
A)retina
B)brain
C)appendix
D)cochlea
8.
Which of these is NOT part of your brain?
A)the cerebrum
B)the cochlea
C)the cerebellum
D)the cortex
9.
Which part of your brain has ridges and grooves on it?
A)the cortex
B)the midbrain
C)the pons
D)the medulla
10.
Which of these is the largest part of your brain?
A)the cerebellum
B)the pons
C)the cerebrum
D)the medulla
11.
The division of the peripheral nervous system that regulates your heart beat is __________.
A)the autonomic system
B)the somatic system
C)the skeletal system
D)the muscular system
12.
The division of the peripheral nervous system that regulates your ability to snap your fingers is __________.
A)the reproductive system
B)the digestive system
C)the somatic system
D)the autonomic system
13.
Suppose you injure the right side of your brain. Which one of these might happen?
A)Your left hand may suffer paralysis.
B)Your right leg might suffer paralysis.
C)Both of your legs might suffer paralysis.
D)Your body from the neck down might suffer paralysis.
14.
Moving your finger away from a sharp piece of glass that cuts your skin is a reflex response that is controlled by __________.
A)the spinal cord
B)the retina
C)the salivary glands
D)the inner ear
15.
__________ is a stimulant that can cause your heart to beat faster and make you feel restless.
A)Caffeine
B)Alcohol
C)Salt
D)MSG
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