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State the three most important characteristics of any drug.
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Effectiveness, safety, and selectivity
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Is it possible to have a selective drug?
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No, all drugs can cause side effects
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Define pharmacokinetics:
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How much of the drug gets to the site of action via Absorption, distribution, metabolism, and excretion.
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Define pharmacodynamics.
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Determines nature and intensity of the response after binding to receptors
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Who is the most likely member of the health care team to observe and evaluate drug responses and to intervene if required?
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The nurse
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What are the three basic goals of pre administration assessment of medications
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Collecting baseline data (therapeutic and adverse responses), identify high-risk patients, assessing capacity for self-care.
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State the factors that can predispose an individual to adverse reactions from drugs
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Pathophysiology (liver and kidney dysfunction), genetics, allergies, pregnancy, age (very young/old).
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What are measures to reduce adverse effects of medication administration?
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Identify high-risk patients, ensure proper administration, educate patients that might precipitate an adverse reaction.
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Which Amendment strengthened drug regulation after the thalidomide tragedy in Europe?
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The Harris-Kefauver Amendments in response to a sedative that caused the birth defect phocomelia).
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What type of research is required to assess drug therapies?
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Randomized controlled trials
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What is a “blinded” study?
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People involved do not know to which group subjects have been randomized. Single: subjects blinded Double: researchers and subjects are blinded
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What is the purpose of having a trade name for a drug?
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Easy recall and pronunciation
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What is the problem with trade names?
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Clouds communication of the drug and promotes medication errors.
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What are the limitations of the testing procedures used to bring drugs to market?
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Testing is limited on women of childbearing age and children and the failure to detect all adverse effects.
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How much does it cost to develop a new drug in the US?
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$800 million
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