What does the FDA regulate?

• A. Only cosmetics
• B. Only medical devices
• C. The safety, efficacy, and security of human and veterinary drugs, biological products, medical devices, foods, cosmetics, and products that emit radiation
• D. The safety of water supplies

Answer: (C)

The FDA regulates a broad range of products to protect public health, focusing on safety, efficacy, and security across those products. It oversees human and veterinary drugs, biological products such as vaccines and blood components, medical devices, foods, cosmetics, and products that emit radiation. This wide scope explains why the correct statement covers all these areas in one description. It also helps explain why water safety isn’t included—the regulation of drinking water is primarily handled by the Environmental Protection Agency and state authorities. Narrow expectations like only cosmetics or only medical devices miss large parts of what the FDA actually covers.