Which of the following best describes pharmacokinetics?
The study of how drugs interact with specific drug
The study of how drugs are developed and manufactured
The study of how drugs are prescribed and administered
The study of how drugs are absorbed, distributed, metabolized, and excreted by the body.
The Correct Answer is D
A. This option describes drug-drug interactions, which are part of pharmacodynamics rather than pharmacokinetics.
B. The development and manufacturing of drugs pertain more to pharmaceutical sciences than pharmacokinetics.
C. Prescribing and administering drugs are related to pharmacotherapy but do not encompass the full scope of pharmacokinetics.
D. Pharmacokinetics is defined as the study of how drugs are absorbed, distributed, metabolized, and excreted by the body, providing insights into the drug's action and efficacy.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A. This option incorrectly describes a placebo, which is not related to the concept of a prototype drug.
B. A prototype drug is defined as a medication that is considered the standard or model for a particular drug class or category, serving as a reference for the development of other drugs in that class.
C. Prototype drugs can be available in both brand and generic forms; this option is not accurate.
D. Prototype drugs are not limited to pediatric use and can be prescribed for patients of all ages.
Correct Answer is B
Explanation
A. This option misrepresents critical concentration; it focuses on absorption rather than therapeutic efficacy.
B. The critical concentration refers to the minimum concentration of a medication in the blood needed to achieve the desired therapeutic effect. This concentration is essential to ensure that the medication is effective in treating the condition.
C. While the maximum concentration can relate to safety, critical concentration specifically concerns the minimum required for effectiveness.
D. This choice suggests an optimal concentration, which is different from the minimum concentration needed to achieve therapeutic effects.
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