What percentage of adults over the age of 65 does volunteer work?
A) 5
B) 10
C) 25
D) 50
C
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What action tends to open the sodium gates across a neuron's membrane?
a. hyperpolarization of the membrane b. depolarization of the membrane c. increase in the sodium concentration outside the neuron d. passing the peak of the action potential and entering the refractory period
The ________ effect is likely facilitated by the fact that items presented early in a list of data have time to be rehearsed so that they are effectively transferred to long-term memory.
A. primacy B. recency C. state-dependency D. mood-congruency
According to Erikson, young people are not capable of truly loving someone until they have developed ______
a. compassion c. formal operations b. sexual maturity d. a sense of identity
McNally and his colleagues have conducted controlled experiments to examine the effectiveness of Critical Incident Stress Debriefing (CISD) on preventing post-traumatic stress disorder (PTSD). The results of the studies show that CISD is
a. a very effective means of reducing PTSD. b. only effective on police officers. c. effective if administered within twenty-four hours of the trauma. d. not an effective means of preventing the onset of PTSD.