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Pre-Test
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1
The part of the nervous system that stimulates glands and relays commands to smooth muscles is the
A)cerebrum.
B)voluntary nervous system.
C)autonomic nervous system.
D)peripheral nervous system.
2
The "fight-or-flight" reaction is controlled by the
A)parasympathetic nervous system.
B)sympathetic nervous system.
C)central nervous system.
D)All of the above
3
The myelin sheath is formed by successive wrappings around the ___________ of neurons.
A)cell body
B)axon
C)dendrite
D)All of the above
4
A nerve impulse jumps across the synapse between two neurons as it makes its way along neuron pathways.
A)True
B)False
5
A stroke is caused by
A)blockage of the heart by clots.
B)buildup of cholesterol in blood vessels.
C)blockage of blood vessels in the brain by clots.
D)insufficient thyroid hormone.
E)lack of oxygen.





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