All controlled substances that are monitored by the federal Drug Enforcement Agency (DEA) are illegal drugs. Is this statement true or false?

The correct response highlights that not all controlled substances monitored by the DEA are illegal drugs. The definition of controlled substances encompasses a wide range of substances that are regulated by law, including both legal and illegal drugs.

Many controlled substances, such as certain prescription medications (e.g., opioids, benzodiazepines), are legally used for medical purposes but are still classified under the Controlled Substances Act. These substances are subject to strict regulations concerning their prescribing, dispensing, and usage to prevent misuse and abuse while ensuring that patients who require these medications can access them safely.

Additionally, the classification of controlled substances is organized into schedules based on their potential for abuse, medical use, and safety or dependence liability. While some substances on these schedules are indeed illegal to possess or distribute without proper authorization, others are legal when handled according to regulatory guidelines.

In summary, the fact that the statement incorrectly suggests all monitored substances are illegal reflects a misunderstanding of the classification system that includes both legal medications and illegal drugs under the DEA's purview.