1. Which of the following is considered a substance of abuse? A) Alcohol B) Caffeine C) Prescription medications used as prescribed D) Both A and B

D) Both A and BAlcohol and caffeine are both substances that can be abused. Alcohol is a legal substance when consumed in moderation, but excessive drinking can lead to alcoholism and other health problems. Caffeine is a stimulant found in coffee, tea, and many energy drinks. While it is legal and widely consumed, excessive caffeine intake can lead to negative side effects such as anxiety, insomnia, and increased heart rate. Both substances have the potential for abuse and can have harmful effects on an individual's health and well-being.