Most drugs are chemicals but not all chemicals are drugs. Which statement reflects this relationship?

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Multiple Choice

Most drugs are chemicals but not all chemicals are drugs. Which statement reflects this relationship?

Explanation:
The main idea is that drugs are substances with therapeutic or diagnostic use, while chemicals are any defined substances; every drug is a chemical, but many chemicals have no medicinal use. So the statement that is best says true; most drugs are chemicals but not all chemicals are drugs. For example, aspirin is both a chemical and a drug, whereas table salt is a chemical but not a drug. The other options fail because they overstate or deny the relationship: not all chemicals are drugs, and drugs and chemicals are not identical or unrelated.

The main idea is that drugs are substances with therapeutic or diagnostic use, while chemicals are any defined substances; every drug is a chemical, but many chemicals have no medicinal use. So the statement that is best says true; most drugs are chemicals but not all chemicals are drugs. For example, aspirin is both a chemical and a drug, whereas table salt is a chemical but not a drug. The other options fail because they overstate or deny the relationship: not all chemicals are drugs, and drugs and chemicals are not identical or unrelated.

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