What effect do neurotransmitters from one neuron have on the next neuron?
a. They have no effect.
b. They excite it.
c. They inhibit it.
d. They may excite or inhibit it.
ANSWER: d
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When observing young children playing, how can one tell if they are friends or just ordinary playmates?
a. It is impossible to tell. b. Friends have more conflict than ordinary playmates. c. Friends show more competition for toys. d. Friends smile and laugh more and show more cooperation and collaboration.
The biological explanation for the correlation between optimism and physical health focuses on
a. risky behaviors and adrenaline. b. alcohol consumption. c. the immune system. d. genetic heritability.
Which statement about narcolepsy is FALSE?
A) It is primarily the result of extreme sleep deprivation. B) There is a genetic component to this disorder. C) Sleep attacks are accompanied by dreams. D) The disorder can be managed effectively with medication.
When designing an experiment, one must always have
a. A control group b. An experimental group c. A control condition d. Confounded variables