H2 blockers are used to treat or prevent:

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Multiple Choice

H2 blockers are used to treat or prevent:

Explanation:
H2 blockers work by blocking histamine at H2 receptors on stomach parietal cells, which lowers stomach acid production. With less acid, the stomach and duodenal lining are less irritated, helping ulcers heal and reducing the chance of new ulcers forming. That’s why they’re used to treat or prevent ulcers. They don’t affect cholesterol, don’t directly relieve muscle spasms, and don’t increase appetite.

H2 blockers work by blocking histamine at H2 receptors on stomach parietal cells, which lowers stomach acid production. With less acid, the stomach and duodenal lining are less irritated, helping ulcers heal and reducing the chance of new ulcers forming. That’s why they’re used to treat or prevent ulcers. They don’t affect cholesterol, don’t directly relieve muscle spasms, and don’t increase appetite.

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