The physiologic ability of the drug to reach its target cells and produce its effect is known as which pharmacological concept?
1. Efficacy
2. Bioavailability
3. Therapeutic effect
4. Adverse effect
Correct Answer: 2
Rationale 1: Efficacy is incorrect because efficacy is the ability of a drug to produce an effect.
Rationale 2: Bioavailability is the physiologic ability of the drug to reach its target cells and produce its effect.
Rationale 3: Therapeutic effect is incorrect because therapeutic effect is the anticipated, hoped-for effect of the drug.
Rationale 4: Adverse effect is incorrect because an adverse effect is an undesirable response of the drug (e.g., vomiting).
Global Rationale: Bioavailability is the physiologic ability of the drug to reach its target cells and produce its effect. Efficacy is incorrect because efficacy is the ability of a drug to produce an effect. Therapeutic effect is incorrect because therapeutic effect is the anticipated, hoped-for effect of the drug. Adverse effect is incorrect because an adverse effect is an undesirable response of the drug (e.g., vomiting).
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