Which of the following is the best definition of a psychoactive drug?

A. a drug produced by the brain in order to stimulate sensory experiences in the visual system
B. any substance which has been declared illegal for use or for use without a prescription
C. chemicals which affect the nervous system, resulting in altered consciousness and perceptions
D. neurotransmitters which, when released, change the behavior of an individual


Answer: C

Psychology

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Among the improvements of the 1937 Stanford-Binet Scale was the

a. introduction of the IQ concept. b. introduction of the deviation IQ concept. c. inclusion of an alternate equivalent form. d. elimination of the IQ concept.

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Who first used the frontal lobotomy on patients with emotional problems?

A. Egas Moniz B. Phineas Gage C. Charles Darwin D. Stephen Jay Gould

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Benzodiazepines are used to treat _____ and facilitate the functions of _____, the major inhibitory neurotransmitter in the brain. When this neurotransmitter binds to its receptor site, the inside of the neuron becomes more _____ and thus is less likely to fire.

A) depression; glutamate; positive B) anxiety; glutamate; negative C) depression; GABA; positive D) anxiety; GABA; negative

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Janet wants to be a stay-at-home mom but worries that she won't be able to return to her career. This illustrates a(n) ________

a. approach-approach conflict. b. approach-avoidance conflict. c. avoidance-avoidance conflict. d. multiple approach-avoidance conflict.

Psychology