Chapter 19 pharmacology Flashcards
an agent used to prevent disease
prophylactic
what are the 4 stages of the drug process?
- absorption
- distribution - transported to affected area
- metabolism
- excretion
the way a drug produces its effects
mechanism of action
how are drugs classified?
according to their effect on the body
the combined effect of 2 drugs is more intense than their individual effects
synergism
the combined effect of 2 drugs is less than the effect of the drugs taken alone
antagonism
intended uses of any drug/circumstances when it should not be administered
indications/contraindications
a procedure or medication used to prevent disease
prophylaxis
a drug that causes birth defects
teratogen
a drugs therapeutic value
efficacy
the study of the amount of drug required to produce therapeutic effects
posology
what are the 4 parts of a prescription?
- superscription - pt info
- inscription - names and quantities
- subscription - directions on how to prepare the drug
- signature
what are the 4 drug forms?
- water based
- alcoholic solutions
- injectable forms
- solids and semisolids
what are the 4 types of poison antidotes and how do they work?
- chemical - neutralize by changing its nature
- mechanical - prevent absorption of poison
- physiological - counteract the effects by releasing opposite effects
- universal - do not exist
a chemical substance that interferes with the development of bacterial microorganisms
antibiotic