What is EC50 in pharmacodynamics?

Medical Quiz · Aug 21, 2026

Choose the correct answer:

1. The concentration of a drug that produces 50% of its maximal response ✓ (Correct Answer)
2. The dose required to kill 50% of a population
3. The time it takes for a drug to reach 50% of its peak concentration
4. The volume of distribution of a drug

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