Biology: The Dynamics of Life, California Edition

Chapter 36: The Nervous System

The Nervous System

1.
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In which direction is the flow of calcium ions in Figure 36-3?
A)into synaptic space
B)towards dendrite
C)towards axon
D)outside of myelin sheath
2.
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What is the possible explanation for the location of the nerves in Figure 36-4?
A)so they can be near the stimulus
B)so they are protected
C)so they will be closer to the brain
D)so they can feel the outside air
3.
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Where do the neurotransmitters end up in Figure 36-3?
A)in the axon
B)in the synaptic space
C)outside of myelin sheath
D)in the dendrite
4.
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Where is the nerve located in all the organs shown in Figure 36-4?
A)in the skin
B)in different places
C)relatively deep in the body
D)near the surface
5.
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What is the path of a voluntary impulse in Figure 36-2?
A)C-A-C
B)C-D-C
C)C-B-C
D)C-B-A-B-C
6.
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Why are the heat sensors located just under the epidermis in Figure 36-5?
A)because heat isn’t damaging to nerves
B)so heat can be easily ignored
C)so heat can be sensed fast
D)because heat is hard to sense
7.
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What labeled part of Figure 36-2 is not part of the peripheral nervous system?
A)B
B)A
C)D
D)C
8.
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What is the path of a reflex impulse in Figure 36-2?
A)C-D-C
B)C-A-C
C)C-B-A-B-C
D)C-B-C
9.
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Which part of Figure 36-3 is affected most by drugs?
A)C
B)D
C)A
D)B
10.
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Why is the heavy pressure sensor located where it is shown in Figure 36-5?
A)because heavy pressure must push lower in the skin
B)because heavy pressure is not that important
C)because heavy pressure is really only felt in the epidermis
D)because heavy pressure is more damaging than light pressure
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