Chapter 2: Principles of Pharmacology Test Bank MULTIPLE CHOICE 1. The pharmacokinetic phases control the of the drug’s effect and the _ of the drug action. a. intensity, duration b. duration, effect c. mechanism, safety d. length, efficacy ANS: A These pharmacokinetic phases control the intensity of the drug’s effect and the duration of the drug action. DIF: Cognitive level 2: Comprehension REF: p. 23 2. The time it takes for a drug to reach the concentration necessary to produce a therapeutic effect is called the of action. a. duration b. mechanism c. onset d. length ANS: C The time it takes for a drug toNrUea RcShIthNeGcoTnBce.ntCraOtiMon necessary to produce a therapeutic effect is called the onset of action. DIF: Cognitive level 1: Recall REF: p. 23 3. Duration of action is the time between the of action and of drug action. a. mechanism, duration b. onset, discontinuation c. duration, concentration d. onset, mechanism ANS: B Duration of action is the time between the onset of action and discontinuation of drug action. DIF: Cognitive level 1: Recall REF: p. 23 4. Which of the following factors will determine how quickly or slowly a drug is absorbed? a. Ionization of the drug b. Kidney disease c. Half-life of the drug d. Drug dosage form ANS: Dread more
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