psych unit 2

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which of the following is the best evidence that environment plays a role in intelligence?

identical twins reared together are more similar than identical twins reared apart

in the figure above, where does the neurotransmitter dopamine have its effect?

E

reuptake of a neurotransmitter refers to...

absorption of the neurotransmitter into terminal buttons of the sending neuron

the depletion of which of the following neurotransmitters is most likely associated with the symptoms of alzheimer's disease

acetylcholine

information is relayed to the spinal cord or the brain by

afferent neurons

curare blocks action at acetylcholine synapses and causes paralysis. this drug is an example of...

antagonist

activation of the parasympathetic nervous system results in which of the following?

decrease heart rate

neurotransmitters that function like the drug morphine and are involved in pain modulation include which of the following?

endorphins

painkilling substances produced by the brain are...

endorphins

many common antidepressants ease symptoms of depression by...

inhibiting serotonin intake which makes serotonin more available

the nature-nurture issue is best exemplified by which of the following questions?

is level of intelligence the result of one's environment and specific learning, or is it a result of biological maturation?

Dopamine, norepinephrine, and acetylcholine are all...

neurotransmitters that excite or inhibit a neural signal across a synapse

the hypothesis that intelligence is in part inherited is best supported by the fact that the IQ correlation for...

pairs of identical twins is greater than for pairs of fraternal twins

Ben was enjoying a walk in the woods on a beautiful Sunday afternoon. As he went around a curve he noticed a bear walking towards him. Immediately his pupils dilated, he began to perspire, and his heart accelerated. These changes are most clearly related to the function of...

sympathetic nervous system (SNS)

immediately after firing, a neuron is incapable of responding to stimulation. this condition is referred to as...

the absolute refractory phase


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