Which of the following is one recommendation to promote positive sleep hygiene?
A. sedative use
B. watch television
C. limit caffeine intake
D. caffeinated green tea
Answer: C
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Many symptoms of schizophrenia seem to arise from
a. abnormalities in controlling anger. b. impairment in selective attention. c. drug usage. d. exaggerated emotion.
To what extent does nicotine replacement therapy (NRT) help smokers to quit?
A. It does not help smokers to quit B. It doubles the chance of successfully quitting, compared to those who do not seek any help at all C. It trebles the chance of successfully quitting, compared to those who do not seek any help at all. D. It quadruples the chance of successfully quitting, compared to those who do not seek any help at all.
Schizophrenia is best described as a a. single disorder, affecting all patients in similar ways
b. single disorder, with multiple causes. c. spectrum of disorders, with multiple courses and outcomes. d. spectrum of disorders, with a single cause.
Which statement characterizes the relative refractory period?
A) The neuron cannot fire again because the potassium channels are unable to open B) The neuron cannot fire again because the sodium channels are unable to open C) The neuron can fire again but only to a stronger than threshold stimulus D) The neuron can fire again but only at a much slower rate