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Pharmacology tammie
chapter 2
Question | Answer |
---|---|
What is an agonist | Chemical that binds to a receptor and creates an effect on the body |
What is Synergism | Two drugs given together have a greater effect than when alone |
Tachyphylaxis | Rapid decrease in response to a drug |
Enteral route | Literally means small intestines |
Parenteral | Any route except enteral: IV etc |
Pharmacokinetic phase | time a drug takes to be absorbed, distributed and eliminated from body |
Bioavailability | % of drug that reaches systemic circulation |
First-pass effect | effect of liver on a drug |
Factors affecting Lung availability/total systemic availability | 1. Efficiency of device used 2. Inhaled drugs with firs-pass effect 3. Mouthwashing 4. Use of a reservoir |
Potency | Concentration or dose of drug that produces 50% of the drugs max response. |
Pharmacogenetics | Hereditary differences in the way the body handles specific drugs |
Idiosyncratic effect | effect that is opposite of the expected, or absent |