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The term "H1-receptor antagonists" is associated with which of the following?

1. Antiseptics
2. Antihistamines
3. Antacids
4. Analgesics

Correct answer: Antihistamines

Solution

H1-receptor antagonists are drugs that block the H1 type of histamine receptor, so they act as antihistamines (used for allergies). They are not antiseptics.

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