Psychoactive drugs affect mood and behavior by altering
A) liver function.
B) heart rate.
C) respiratory rate.
D) brain chemistry.

Question

Quizplus · Accepted Answer

Psychoactive drugs affect mood and behavior by altering brain chemistry. They can affect the levels of neurotransmitters such as dopamine, serotonin, and norepinephrine, which can impact mood, motivation, and perception. They can also affect brain regions involved in reward and addiction, leading to changes in behavior. Liver function, heart rate, and respiratory rate may be affected by some drugs, but their primary impact on behavior and mood is through their effects on the brain.

Psychoactive Drugs Affect Mood and Behavior by Altering