A Researcher Reports That a Drug Directly Stimulates a Reward

question 75

Multiple Choice

A researcher reports that a drug directly stimulates a reward center in the brain rather than through indirect stimulation of a reward center. The drug the researcher is studying could be any of the following drugs EXCEPT:

• A) powdered cocaine.
• B) methamphetamine.
• C) marijuana.
• D) caffeine

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Definitions:

Adaptive Traits

Features of an organism that have evolved through natural selection and increase survival and reproductive success in a particular environment.

Artiodactyls

A group of hoofed mammals that typically have an even number of toes, including cattle, pigs, and deer.

Astragalus

A genus of plants in the legume family, some species of which are used in traditional medicine.

Morphology

Refers to the form and structure of organisms.