All of the Following Are True About Craving Except

question 160

Multiple Choice

All of the following are true about craving except:

• A)It involves potentially life-long changes in brain functioning.
• B)Drug paraphernalia evoke craving in addicts.
• C)Craving involves both reward and learning circuits in the brain.
• D)It occurs when there is a shift from increased metabolism to hyperactivity in prefrontal areas.

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Definitions:

Mutation

A change in the DNA sequence within an organism's gene or chromosome, leading to variations in trait expression and possibly to different phenotypes.

Habitat Isolation

A type of prezygotic barrier where two species that could interbreed do not, because they inhabit different habitats and rarely encounter each other.

Environmental Isolation

The separation of population groups by physical barriers or distances, leading to genetic divergence and potentially speciation.

Biological Isolation

The separation of populations of the same species or different species that prevents genetic exchange, often leading to speciation.