Question

1. after a prolonged period of drug abuse, the brain_______. a) needs less drug to get the same effect b) needs more drug to get the same effect c) experiences increasing amounts of dopamine

Explanation:

With prolonged drug abuse, the brain develops tolerance. Tolerance means the body adapts to the drug, and more of the drug is needed to achieve the same initial effect. Also, over - time, the brain's dopamine system is disrupted and does not experience increasing amounts of dopamine in a healthy way.

Answer:

B. needs more drug to get the same effect