Chronic stress may impair memory by
A) releasing acetylcholine in the hippocampus.
B) destroying cells within field CA1 of the hippocampus.
C) increasing the entry of glucose into neurons.
D) increasing the reuptake of glutamate into hippocampal neurons.
E) inducing apoptosis of glial cells.
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A drug such as methylphenidate that blocks the dopamine transporter would be expected to
A) reduce the likelihood of activation of other neurons.
B) impair dopamine neurotransmission.
C) increase synaptic levels of dopamine.
D) decrease synaptic levels of dopamine.
E) aggravate the behavioral symptoms of attention-deficit/hyperactivity disorder.
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Which of the following is true of opiate addiction?
A) Opiate use leads to bipolar disorder.
B) The opiate habit is expensive.
C) Heroin use leads to using other addictive drugs.
D) Needle-using opiate addicts are at risk for contracting measles.
E) It is difficult to induce opiate self-administration in rats.
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Which of the following is true of posttraumatic stress disorder (PTSD)?
a. Women are more likely than men to develop PTSD.
b. PTSD is a problem noted after middle age.
c. Women are more likely than men to experience severe trauma.
d. PTSD is an environmental disorder with no genetic roots.
e. PTSD results in poor psychological functioning without problems in physical health.
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Which of the following is a characteristic of autistic disorder?
A) poorly developed social skills
B) high creativity.
C) normal interests and behaviors
D) mania.
E) extreme sadness and motor retardation.
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Injection of CRH into brain would be expected to result in
A) a profound state of relaxation.
B) increased beard growth in men.
C) impaired fear responses.
D) behavioral signs of anxiety.
E) activation of the parasympathetic nervous system.
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Which substance below enhances dopamine release in the nucleus accumbens?
A) caffeine
B)sugar
C) cocaine
D) saccharin
E) Clozapine
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Hans Selye argued that ill health induced by chronic stress exposure reflects
A) the prolonged secretion of acetylcholine.
B) overstimulation of growth.
C) the prolonged secretion of glucocorticoids.
D) the activation of apoptosis in brain by stress exposure.
E) decreased blood pressure.
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The immune system develops ________ through exposure to ________.
a. interferon; antibodies
b. antigens; antibodies
c. antibodies; B-lymphocytes
d. antibodies; antigens
e. infections; antibodies
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Chronic abuse of methamphetamine reduces the number of dopamine transporters in the caudate nucleus and putamen, which may explain why these addicts
Answer: C
Rationale: Chronic abuse of methamphetamine reduces the number of dopamine transporters in the caudate nucleus and putamen, which may explain why these addicts are more likely to develop Parkinson's disease as they age.
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