AP PSYCHOLOGY

Detailed explanation-1: -A common reason to misuse barbiturates is to counteract the symptoms of other drugs; the barbiturates ("downers") counteract the excitement and alertness obtained from stimulant drugs like cocaine and methamphetamines.

Detailed explanation-2: -Phenobarbital is one of the most common barbiturate drugs that are still in use today and is a prescription medication mainly used to treat and prevent symptoms of seizures, sedation, insomnia, and status epilepticus.

Detailed explanation-3: -These are the drugs which slow the functioning of the CNS and tend to slow the body and mind. They include alcohol, opiates, barbiturates, benzodiazepines and antihistamines.

Detailed explanation-4: -Barbiturates are depressants that produce a wide spectrum of central nervous system depression from mild sedation to coma. They also have been used as sedatives, hypnotics, anesthetics, and anticonvulsants.