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Pharmacology Chapter 1

Terms in this set (77)

absorption
A drug is moved from site of administration to body fluids; first process during pharmacokinetics
adverse reaction
An undesirable drug effect
allergic reaction
immediate hypersensitive reaction by the immune system; it presents as itching, hives, swelling and difficulty breathing
anaphylactic shock
A sudden, severe hypersensitivity reaction with symptoms that progress rapidly and may result in death if not treated.
angioedema
Localized wheals or swellings in subcutaneous tissues or mucous membranes, which may be due to an allergic response.
controlled substance
drug that has the potential for abuse and dependency, both physical and psychological
cumulative drug effect
when the body is unable to metabolize and excrete one dose of a drug before then ext is given
distribution
drug moves from circulation to body tissue or target site
drug idiosyncrasy
any unusual or abnormal response that differs from the response normally expected to a specific drug and dosage
drug tolerance
decreased response to a drug, requiring an increase in dosage to achieve the desired effect
excretion
elimination of a drug from the body
first pass effect
action by which an oral drug is absorbed and carried directly to the liver, where it is inactivated by enzymes before it enters the general bloodstream
half life
time required for the body to eliminate 50% of the drug
herbal medicine
type of complementary/alternative therapy that uses plants or here to treat various disorders
hypersensitivity
undesirable reaction produced by a normal immune system
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