Dr. Watts has discovered a new chemical that blocks adenosine receptors. When rats are injected with the new chemical, what is Dr. Watts likely to observe?

A. The rats will fall asleep.
B. The rats will be wakeful.
C. The rats will be more responsive to pain than usual.
D. The rats will not show any obvious changes in behavior.


Answer: B

Psychology

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What will be an ideal response?

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a. Serotonin; processing of information, regulation of mood, behavior, and thought processes b. Norepinephrine; regulation of arousal, mood, behavior, and sleep c. Dopamine; learning and memory d. Acetylcholine; motor behavior, reward, attention

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Dr. Wiren observes children's responses to bullying by watching them play in a park. This is an example of a(n)

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Which of the following neurotransmitters is known for its role in schizophrenia and Parkinson's disease?

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Psychology