The hypothesis is that one result of repeated use of a drug in interaction with environmental factors is changes in the brain neural pathways that may heighten the reward value of the drug.
A)tolerance
B)biological
C)sensitization
D)psychoactive

Question

Quizplus · Accepted Answer

Sensitization refers to an increase in the behavioral or psychological effects of a drug with repeated use. The hypothesis stated in the question suggests that such sensitization may be due to changes in the brain neural pathways that increase the reward value of the drug. Tolerance, on the other hand, refers to a decrease in the effects of a drug with repeated use. Biological and psychoactive are broad terms that may not specifically apply to the hypothesis described in the question.

The Hypothesis Is That One Result of Repeated Use of a Drug