As myelin is lost from axons:
A) The capacitance increases
B) The distance that graded potentials can spread before dying out is reduced
C) Action potentials become less likely
D) All of the above
D
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Which of the following characterizes the total brain activity, as measured by the rate of glucose metabolism, in those suffering from mood disorders?
a. high in both mania and depression b. low in both mania and depression c. low in mania and high in depression d. high in mania and low in depression
Using medications to disable cancer growth is referred to as:
a. noninvasive therapy c. radiation therapy b. chemotherapy d. allopathy
Reframing anxiety about a stressor as arousal likely will:
A) change the conclusions of both primary and secondary appraisal. B) result in the stressor being appraised as a challenge. C) reduce physiological arousal to the stressor. D) increase physiological arousal to the stressor.
Tarzan is a feral boy rescued from the wilderness. He will do poorly on intelligence tests but might do relatively well on tests of
a. factual knowledge. b. fluid intelligence. c. crystallized intelligence. d. a two-generation intervention.