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psyc Quiz.2 Test

Enter the letter for the matching Answer
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1.
About 70% of left-handed people
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2.
An action potential occurs when:
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3.
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.
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4.
Damage to Wernicke's area in the brain:
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5.
Which of the following best defines a neurotransmitter?
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6.
What occurs during the refractory period?
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7.
The all-or-none law refers to the fact that:
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8.
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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9.
Multiple sclerosis is a disease that involves:
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10.
The statement that most people only use about 10% of their brain:
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11.
Which of the following statements about the properties of neurons is TRUE?
A.
potassium ions are electrically transformed into sodium ions.
B.
dendrites becoming brittle and breaking.
C.
This example best illustrates the principle of: structural plasticity.
D.
are bilateral, using both hemispheres for language functions.
E.
has been proven by modern brain research.
F.
a special magnetic wave used to generate detailed images of individual neurons
G.
Neurotransmitters are released by the dendrites.
H.
Atropine blocks acetylcholine receptor sites.
I.
Sensory and motor neurons are the same size and shape, and interneurons are long and thin.
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 heightened physical arousal that characterizes the fight-or-flight response involves the _____ branch of the nervous system.
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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.
The point of communication between two neurons is called the:
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15.
The part of the neuron that carries messages to other cells in the body is the:
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16.
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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17.
The cell body of a neuron:
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18.
Which of the following neurotransmitters is implicated in Alzheimer's disease?
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19.
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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20.
The occipital lobe is to _____ as the temporal lobe is to _____.

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