What is the most commonly ingested psychoactive substance in the United States?
A. Caffeine
B. Nicotine
C. Alcohol
D. Opiates
Answer: A
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Which area of the brain regulates emotions and impulses and includes the hippocampus and the amygdala?
a. Pons b. Thalamus c. Basal ganglia d. Limbic system
An optimal level of arousal for a task
a. depends on the complexity of the task. b. is caused by the performance level. c. is lower with simple tasks. d. depends on the inverted U image.
Social interaction researchers believe that children need models who can provide a scaffold by using speech that
a. does not exceed their processing capacities. b. falls just below their processing capacities. c. exceeds their processing capacities. d. exceeds their productive capacities but lags their receptive capacities.
The action potential begins in the __________ and is transmitted to the __________
a. terminal buttons; end of the axon attached to the soma b. end of the axon attached to the soma; terminal buttons c. dendrites; terminal buttons d. soma; axon e. synaptic cleft; motor neuron