Which type of drug is used to neutralize stomach acid?

The chosen answer is correct because antacids are specifically designed to neutralize stomach acid. They work by increasing the pH level in the stomach, effectively reducing acidity. This helps provide relief from conditions like heartburn, indigestion, and acid reflux. Antacids typically contain compounds such as magnesium hydroxide, aluminum hydroxide, or calcium carbonate, which chemically interact with stomach acid to neutralize it.

The other options refer to different classes of medications that serve distinct purposes. Analgesics are primarily used for pain relief; antibiotics are used to treat bacterial infections; and antiseptics are employed to prevent infection by killing or inhibiting the growth of microorganisms on skin or in wounds. Understanding the specific function of each type of medication is crucial for comprehend how they address different health issues.