Which of the Following Statements Is True with Regards to Dopamine

question 7

Multiple Choice

Which of the following statements is true with regards to dopamine?

• A) Use of addictive substances decreases dopamine levels.
• B) Use of addictive substances increases dopamine levels.
• C) Dopamine levels increase in response to natural rewards such as sex, eating, and exercise.
• D) Drugs that mimic dopamine activate neurons in exactly the same way as natural dopamine.

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Definitions:

Nematocysts

Specialized cells in cnidarians, such as jellyfish, that eject a stinging thread for capturing prey or defense.

Cnidarian

Radially symmetrical invertebrate with two tissue layers; uses tentacles with stinging cells to capture food.

Cnidocyte

Stinging cell unique to cnidarians.

Polyps

Abnormal growths of tissue projecting from a mucous membrane, commonly found in organs such as the nose or intestines.