Check for Understanding III - Government Regulation of Controlled Substances Toxicology &Controlled Substances 5 or 5 __ are drugs which are federally regulated by the government and are broken into five categories. Designer drugs Controlled substances Compound substances Dependence drugs

## Step 1<br />The question is asking for the type of drugs that are regulated by the federal government and are divided into five categories. The options provided are designer drugs, controlled substances, compound substances, and dependence drugs.<br /><br />## Step 2<br />The term "controlled substances" refers to drugs that are regulated by the federal government due to their potential for abuse and dependence. These substances are classified into five categories (schedules) based on their potential for abuse, medical use, and safety under medical supervision.<br /><br />## Step 3<br />The other options, such as designer drugs, compound substances, and dependence drugs, do not fit the description given in the question. Designer drugs are synthetic substances that are created to mimic the effects of controlled substances. Compound substances are a combination of two or more substances, and dependence drugs are those that can cause physical or psychological dependence.