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Chapter 4

Chapter 4 M/C (with answers).pdf


Department
Psychology
Course Code
PSYA01H3
Professor
Steve Joordens
Chapter
4

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Exam
Name___________________________________
MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.
1)
Damage to the prefrontal cortex might also involve damage to the __________ cortex.
A)
primary somatosensory
B)
primary visual
C)
D)
motor association
E)
primary auditory
1)
2)
As soon as an action potential at one point along the axon occurs, there is a brief reversal of the
membrane's electrical charge. Now the inside of the axon is positive relative to the outside of the
axon. This reversal of charges is due to the flow of __________ ions into the axon.
A)
negatively charged potassium
B)
positively charged potassium
C)
negatively charged sodium
D)
both negatively and positively charged sodium
E)
positively charged sodium
2)
3)
Due to a minor stroke, Chandra has a small lesion in the occipital lobe, the most likely result will be
A)
the development of cataracts.
B)
paralysis of the muscles that control the eyes.
C)
total blindness.
D)
a tiny lesion is unlikely to have any effects on vision.
E)
a small "hole" in a particular region of the field of vision.
3)
4)
Damage to a particular region of the brain is termed
A)
brain lesion.
B)
a stroke.
C)
genetic knockout.
D)
brain plasticity.
E)
stereotaxic damage.
4)
1

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5)
The hypothalamus is to the __________ as the pituitary gland is to the __________.
A)
thalamus; pancreas
B)
pituitary gland; pancreas
C)
hormones; neuromodulators
D)
thalamus; testes
E)
blood; intercellular fluid
5)
6)
To place a brain lesion precisely, physiological psychologists use a(n)
A)
stereotaxic apparatus.
B)
electrical stimulator.
C)
surgical stage.
D)
laser
-
guided scalpel.
E)
electron microscope.
6)
7)
The central nervous system communicates with the rest of the body through __________ which are
bundles of fibers.
A)
neurons
B)
spinal reflexes
C)
the brain stems
D)
nerves
E)
synapses
7)
8)
_________ measures the rate of metabolism in brain areas by detecting levels of oxygen in the
brain's blood vessels.
A)
PET scan
B)
MEG
C)
TMS
D)
fMRI
E)
MRI
8)
9)
Which of the following structures is most closely associated with emotional behavior, especially
negative emotions?
A)
amygdala
B)
limbic cortex
C)
cerebellum
D)
basal ganglia
E)
hippocampus
9)
2

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10)
The textbook mentions all of the following ways in which drugs can affect the brain EXCEPT:
A)
interfere with reuptake.
B)
mimic the effects of neurotransmitters on postsynaptic receptors.
C)
inhibit the release of neurotransmitters.
D)
stimulate the release of neurotransmitters.
E)
reroute action potentials to dendrites.
10)
11)
Inhibitory synapses __________ the firing of a postsynaptic neuron; excitatory synapses __________
the firing of a postsynaptic neuron.
A)
increase; decrease
B)
halve; double
C)
increase; increase
D)
decrease; decrease
E)
decrease; increase
11)
12)
Synapses can occur
A)
on the smooth surface of a dendrite.
B)
only where there is myelin.
C)
on dendritic spines.
D)
only between neurons.
E)
between neurons and the membranes of muscle and gland cells.
12)
13)
Anaya has sustained damage to regions of the brain that form the visual association cortex. The
kinds of vision problems Anaya is most likely to experience as a result of this injury would include
A)
total blindness.
B)
an inability to read.
C)
diminished visual acuity.
D)
recognition of objects by sight.
E)
an inability to focus on distant objects.
13)
14)
Antipsychotic drugs that are effective against schizophrenia
A)
block dopamine receptors.
B)
inhibit the reuptake of dopamine.
C)
stimulate the reuptake of dopamine.
D)
duplicate the effects of dopamine.
14)
3
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