Which factors influence the effectiveness of drug therapy?(Select all that apply.)
1. Food–drug interactions
2. Excretion rate
3. Concentration of drug
4. Gender
1, 2, 3
Rationale 1: Food–drug interaction is a factor that influences the effectiveness of drug therapy.
Rationale 2: Excretion rate is a factor that influences the effectiveness of drug therapy.
Rationale 3: Concentration of drug is a factor that influences the effectiveness of drug therapy.
Rationale 4: Gender is not a factor that influences the effectiveness of drug therapy.
Global rationale: The following are factors that influence the effectiveness of drug therapy: absorption rate, changing medical condition, concentration of drug, drug–drug interactions, excretion rate, frequency of drug dosing, food–drug interactions, genetics, half-life of administered drug, and metabolic rate. Gender is not a factor that influences the effectiveness of drug therapy.
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