Exam 1- Introduction Flashcards
what is pharmacology?
branch of medicine to do with drugs: uses, effects, and modes of action
what are the two categories of the pharmacological effects of drugs?
beneficial and undesirable
what does a drug need to produce its intended effect?
have the right formulation and route of administration
reach site of action
produce its pharmacological effect
produce desired therapeutic effect
what is pharmacodynamics?
what the drug does to the body
true/false: drugs can impart a new function according to the receptor theory
false except with gene therapy
what is the difference between agonists and antagonists?
agonist mimic and endogenous substance while antagonists inhibit the effect of agonists
do antagonists have an intrinsic activity?
no
what are the therapeutic implications that you must think about when using a receptor-mediated drug?
that drug must bind to a receptor
the drug-receptor complex must elicit a response
organ specific action is dependent on the presence of that receptor