Which of the following best describes a competitive antagonist?

Medical Quiz · Aug 21, 2026

Choose the correct answer:

1. It binds irreversibly to a receptor
2. It competes with the agonist for the same binding site on the receptor ✓ (Correct Answer)
3. It binds to a different site on the receptor than the agonist
4. It enhances the effect of the agonist

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