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psyc Quiz.2 Test

Enter the letter for the matching Answer
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1.
The all-or-none law refers to the fact that:
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2.
An action potential occurs when:
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3.
What occurs during the refractory period?
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4.
Multiple sclerosis is a disease that involves:
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5.
Which of the following statements about the properties of neurons is TRUE?
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6.
The statement that most people only use about 10% of their brain:
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7.
During the war in Iraq, some U.S. troops carried atropine injection kits as an antidote to nerve gas. How does the drug atropine counteract nerve gas?
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8.
Which of the following best defines a neurotransmitter?
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9.
About 70% of left-handed people
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10.
Damage to Wernicke's area in the brain:
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11.
Jake received a severe brain injury in a motorcycle accident and was partially paralyzed on the left side of his body. After several months of intensive physical therapy, he gradually regained the use of his left leg and arm.
A.
Neurotransmitters are released by the dendrites.
B.
has been proven by modern brain research.
C.
potassium ions are electrically transformed into sodium ions.
D.
This example best illustrates the principle of: structural plasticity.
E.
Atropine blocks acetylcholine receptor sites.
F.
a special magnetic wave used to generate detailed images of individual neurons
G.
Sensory and motor neurons are the same size and shape, and interneurons are long and thin.
H.
dendrites becoming brittle and breaking.
I.
are bilateral, using both hemispheres for language functions.
J.
produces difficulty speaking but does not disrupt the ability to comprehend verbal or written words.
K.
the myelin sheath either completely covers an axon or it does not.
Type the Answer that corresponds to the displayed Question.
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12.
The part of the neuron that carries messages to other cells in the body is the:
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13.
Your pencil starts to roll off the desk and in a smooth, coordinated fashion you grab it just before it rolls off the edge. Your ability to perform this action involved which of the following brain areas?
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14.
After too many drinks at a party, your friend awkwardly stumbles into a table, almost knocking it over. Your friend's coordination for simple actions, such as walking between two tables, is reduced because the alcohol has affected his:
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15.
Which of the following neurotransmitters is implicated in Alzheimer's disease?
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16.
The heightened physical arousal that characterizes the fight-or-flight response involves the _____ branch of the nervous system.
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17.
Miguel jogs about five miles a day. At roughly the three-mile point, Miguel usually experiences a rush of positive feelings due to _____ levels of _____.
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18.
The cell body of a neuron:
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19.
The occipital lobe is to _____ as the temporal lobe is to _____.
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20.
The point of communication between two neurons is called the:

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