Ben feels as if there is some sort of barrier or wall between himself and his environment, as if

he were an outsider watching the rest of the world go by without him.

He is also experiencing
some extremely hostile and aggressive urges, perceptual distortions, and paranoia. He has
most likely been using ______.
a. LSD c. PCP
b. THC d. DDT


C

Psychology

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Individuals with Parkinson's disease have abnormal levels of which of the following in their brains?

a. dopamine b. serotonin c. acetylcholine d. GABA

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Operant conditioning occurs when a stimulus that resembles the conditioned stimulus elicits the conditioned response

Indicate whether this statement is true or false.

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____ are more likely to smoke than ____, and adults with ____ education are more likely to smoke than adults with ____ education levels

a. Women, men, more, lower c. Women, men, less, higher b. Men, women, more, lower d. Men, women, less, higher

Psychology

A __________ reinforcer is any reward that satisfies a basic, biological need, such a hunger, thirst, or touch

a) primary b) negative c) positive d) secondary

Psychology