Final answer:
Heroin is an opiate, Xanax is a depressant, Cocaine is a stimulant, and LSD is a hallucinogen.
Step-by-step explanation:
The drugs mentioned in class can be classified into different categories:
- Opiates: Heroin
- Depressants: Xanax (Alprazolam)
- Stimulants: Cocaine
- Hallucinogens: LSD (Lysergic Acid Diethylamide)
Opiates are drugs with pain-relieving properties like heroin. Depressants like Xanax calm the brain and induce sleepiness. Stimulants such as cocaine stimulate the brain and increase alertness. Hallucinogens like LSD can cause hallucinations and changes in thoughts and consciousness.