Caffeine:
a. Decreases the release of acetylcholine
b. Activates the endorphin receptor
c. Blocks receptors for the neuromodulator adenosine
d. Retards the production of dopamine
C
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What does it really mean when we say that a neuron has a resting potential of -70 mV? a. The difference between the electrical environment of the interior of the cell and the exterior of the cell is 70 mV, with the interior being more negative than the exterior. b. The difference between the electrical environment of the interior of the cell and the exterior of the cell is 70 mV, with the
exterior being more negative than the interior. c. The interior of the cell has a charge of -70 mV, whereas the exterior of the cell has a charge of +70 mV, for a total difference of 140 mV. d. The interior of the cell has a charge of -35 mV, whereas the exterior of the cell has a charge of +35 mV, for a total difference of 70 mV.
According to the text, one important reason why adolescents need to learn self-regulation is to regulate
a. individualism. b. sexual impulses. c. political beliefs. d. moral development
Which of the following is LEAST likely to influence IQ?
A) The type of television shows a child watches B) A stimulating environment C) Genetics D) The IQ of one's parents
Which of the following best describes the overall conclusion of research that used the Experience Sampling Methodto measure the emotional state of adolescence in the United States?
a. adolescence is often a time of emotional volatility b. adolescence is often a time of emotional stability c. adolescence is often a time of intellectual stagnation d. adolescence is often a time of intellectual volatility