Definitions & Exam Review
absorption
process by which the drug is taken into the body and moves from the site of administration in to
the blood
adverse effect
undesired potentially harmful side effects of drugs
agonist
drugs that bind to or have an affinity (attraction) for a receptor and cause a particular response
antagonist
drugs that bind to a receptor and prevent a response
bioavailability
indicates the degree to which the drug molecule reaches the site of action to exert its effects
biotechnology
refers to the concepts of genetic engineering and recombinant DNA technology
biotransformation
in the liver the chemical composition of a drug is changed
bolus
drugs given all at once or by slow infusion
contraindication
reasons against giving a particular drug
distribution
drug molecules eventually diffuse out of the blood stream to the site of action
duration
time between onset and disappearance of drugs effects
, emulsion
liquid medication form in which the medicine is contained in a mixture of water and oil bound
together with an emulsifier
enteral
medication is taken into the gastrointestinal tract primary by mouth
excretion
medications taken into the body are eliminated
hypersensitivity
adverse effect resulting from previous exposure to the drug or similar drug
idiosyncratic effect
rare and unpredictable adverse effect to drugs
indication
the reason or purpose for giving a medication
local effect
topical agent that work at the site of application
onset
the time between administration of a drug and the first appearance of effects
parenteral
any route other than the digestive tract the most common of which are subcutaneous,
intramuscular and intravenous
pharmacodynamics
the science examines how the action of the drug effects the body
pharmacokinetics
study of how the body processes drugs
plasma protein binding
drug molecules bind to proteins (albumins and globulins) contained in plasma the liquid portion
of blood