AP PSYCHOLOGY

Detailed explanation-1: -Cocaine affects the cardiovascular system through 2 major pathways: increased sympathetic output and a local anesthetic effect. Through increased sympathetic tone and catecholamine levels, cocaine increases heart rate, blood pressure, and myocardial contractility, all of which increase myocardial oxygen demand.

Detailed explanation-2: -Effects: Increased heart rate and blood pressure, elevated body temperature, increased body metabolism, reduced appetite, increased energy, feelings of exhilaration and mental alertness, tremors, irritability, anxiety, panic, paranoia, violence and aggression, psychosis.

Detailed explanation-3: -Examples of psychoactive substances include alcohol, caffeine, nicotine, marijuana, and certain pain medicines. Many illegal drugs, such as heroin, LSD, cocaine, and amphetamines are also psychoactive substances.