8.1 Principles of Pharmacology Flashcards
Who can prescribe drugs?
Accredited authorized prescriber provider
What form is used for Controlled Substances?
DD 1289
For drugs taken PO, where is it absorbed and metabolized?
Liver
What factors alter bioavailability?
- Liver metabolism
- the drug
- route of administration
- GI mucosa
- food
- solubility
Define pharmacodynamics
Drug’s actions and effects within the body
Define physical dependence
compulsive need to use a substance repeatedly to avoid mild to severe withdrawal sx
Define Psychological dependence
compulsion to use a substance to obtain a pleasurable experience
Define additive drug reaction
occurs when combined effect of 2 drugs is equal to sum of each drug given alone
Define Synergism
drug interaction that occurs when drugs produce an effect that is greater than the sum of their separate actions
Define antagonist drug reaction
when one drug interferes with the action of another, causing neutralization or a decrease in the effect of one drug
What factors influence drug response?
- age
- weight
- gender
- disease
- route
- drug use
- pregnancy