Neurons that transmit commands from the brain to the muscles of the body are known as:
A. sensory neurons.
B. motor neurons.
C. central neurons.
D. peripheral neurons.
Answer: B
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The sleep-wake shift involves __________.
A. many adolescents switching to sleeping during the day rather than the night B. increased sleepiness both during the day and at night among many adolescents C. decreased sleepiness both during the day and at night among many adolescents D. increased sleepiness during the day and decreased sleepiness at night among many adolescents
Which description matches up with the symptoms?
a. Sarah hears voices and has minimal interest in social relationships—positive symptoms b. John thinks his thoughts are being broadcast on TV and has back and forth conversations with voices no one else can hear — negative symptoms. c. Karen believes the FBI is after her and she cannot distinguish between their private thoughts and external reality—delusions. d. Theodore shows decreased ability to initiate actions or speech, express emotions, or feel pleasure—positive symptoms.
When recording from a single neuron, stimulus intensity is represented in a single neuron by the
a. size of the action potentials. b. size of the synapse. c. firing rate of the neurotransmitters. d. firing rate of the action potentials.
A sample of college students was asked how long, in minutes, they spend getting ready for a date. Consider the following output: What can you conclude from this information?
a. Men and women do not differ in the amount of time it takes them to get ready for a date.
b. Men take longer than women to get ready for a date.
*c. Women take longer than men to get ready for a date.
d. This output does not provide enough information for interpretation.