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Questions and Answers
What does potency measure?
What does potency measure?
- The concentration of a drug producing 50% of the maximum effect
- The amount of drug needed to produce an expected effect (correct)
- The maximal response produced by a drug
- The ability of a drug receptor complex to produce an expected effect
What is efficacy in the context of drugs?
What is efficacy in the context of drugs?
- The amount of drug needed to produce an expected effect
- The maximal response produced by a drug
- The concentration of a drug producing 50% of the maximum effect
- The ability of a drug receptor complex to produce an expected effect (correct)
How is potency related to EC50?
How is potency related to EC50?
- Higher EC50 indicates higher potency
- EC50 has no relation to potency
- Lower EC50 indicates higher potency (correct)
- EC50 measures efficacy, not potency
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Study Notes
Drug Pharmacology
- Potency measures the amount of drug required to produce a specific effect, typically measured by the dose required to produce a certain response.
- Efficacy is the maximum response or effect that can be produced by a drug, regardless of the dose.
- Potency is related to EC50, which is the concentration of a drug that produces 50% of its maximum response or effect, with lower EC50 values indicating higher potency.
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