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Chapter 21 - CNS
Test Description: Central Nervous System
Instructions: Answer all questions to get your test result.
1) The human body is made up of many systems. Which system is most involved when a person feels pain?
A
Circulatory
B
Nervous
C
Muscular
D
Digestive
2) All of your body's senses work together to main _____________.
A
balance
B
homeostasis
C
body weight
D
taste
3) Mr. Hill likes to drink coffee in the morning. Assuming that the coffee is caffeinated, Mr. Hill's central nervous system will most likely ______________.
A
become numb
B
speed up
C
slow down
D
body movement
4) Which of these is controlled by the somatic system?
A
body movement
B
heartbeat rate
C
breathing
D
digestion
5) Degeneration of neurons in the cerebellum would most likely result in some loss of ___________.
A
muscle coordination and balance
B
the ability to read
C
short-term memory
D
sensation in the extremities
6) How does shivering best help the human body?
A
It exercises our bones.
B
It helps us keep cold.
C
It exercises our muscles.
D
It helps us keep warm.
7) Which of the statements below provides the best description of how alcohol and caffeine affect your body?
A
Alcohol and caffeine have no effect upon the nervous system.
B
Both alcohol and caffeine speed up the central nervous system.
C
Alcohol and caffeine have minimal effects upon your body.
D
Alcohol and caffeine directly affect the nervous system.
8) Carries messages AWAY from neuron cell body?
A
Axon
B
Brain stem
C
peripheral nervous system
D
Dentrites
9) The brain can do which of the following?
A
Cause movement
B
Think and learn
C
All answers are correct
D
Receive information
10) Receives neuron messages and sends them to the cell body.
A
Dendrite
B
Axon
C
Brain stem
D
Cerebrum
11) Regulation of an organism's internal, life-maintaining conditions despite changes in it's environment.
A
Reflex
B
Dendrite
C
Homeostasis
D
Neuron
12) Small space across which an impulse moves from an axon to the dendrites of another neuron.
A
Axon
B
Synapse
C
Reflex
D
Dendrite
13) Basic functioning unit of the nervous system.
A
Neuron
B
Dendrite
C
Synapse
D
Axon
14) Division of the nervous system, made up of the brain and spinal cord.
A
Peripheral nervous system
B
Homeostatis
C
Central nervous system
D
Synapse
15) Largest part of the brain, where memory stored, movements are controlled and impulses interpreted.
A
Cerebellum
B
Brain stem
C
Neuron
D
Cerebrum
16) Connects the brain to the spinal cord and is made up of the midbrain, the pons, and the medulla.
A
Spinal cord
B
Cerebellum
C
Brain stem
D
Cerebrum
17) Part of the brain the that controls voluntary muscle movements, maintains muscle tone and helps balance.
A
Cerebrum
B
Spinal cord
C
Cerebellum
D
Brain stem
18) An automatic response and does not involve a message to the brain.
A
Neuron
B
Homostasis
C
Reflex
D
Synapse
19) Which of the following statements is accurate?
A
Reflexes are caused by muscle contractions.
B
Reflexes are not reactions to stimuli.
C
Reflexes are involuntary actions.
D
Reflexes are voluntary actions.
20) Which of the following is NOT part of the nervous system?
A
They all belong to the nervous system
B
Peripheral nervous system
C
Autonomic nervous system
D
Central nervous system
*select an answer for all questions
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