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Unit 12 Pharmacology
Exam 3 prep.
52
Nursing
Undergraduate 1
10/29/2009

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Term
Pharmacology
Definition
the study of the effect of drugs on living organisms
Term
Pharmacokinetics
Definition
the study of the absorption, distribution, biotransformation, and excretion of drugs.
Term
medication
Definition
a substance administered for the diagnosis, cure, treatment, or relief of a symptom or for prevention of disease
Term
drug
Definition
a chemical compound taken for disease prevention, diagnosis, cure, or relief or to affect the structure or function of the body.
Term
pharmacodynamics
Definition
process by which a drug changes the body
Term
absorption
Definition
process by which a drug passes into the blood stream
Term
distribution
Definition
transportation of a drug from its site of absorption to its site of action
Term
metabolism
Definition
(biotransformation, or detoxification) process by which a drug is converted to a less active form (most takes place in the liver; affected by liver health)
Term
Excretion
Definition
process by which metabolites and drugs are eliminated from the body (Kidneys = urine; some in feces, breath, sweat, saliva, and breast milk)
Term
pharmacopoeia
Definition
a book containing a list of products used in medicine, with descriptions of the product, chemical tests for determining identity and purity, and formulas and prescriptions.
Term
palliative
Definition
relieves the symptoms of a disease but does not affect the disease itself
Term
curative
Definition
cures a disease or condition
Term
supportive
Definition
supports body function until other treatments or the body's response can take over
Term
substitutive
Definition
replaces body fluids or substances
Term
chemotherapeutic
Definition
destroys malignant cells
Term
restorative
Definition
returns the body to health
Term
therapeutic effect
Definition
primary, or desired, effect of a drug - that is, the reason the drug is prescribed
Term
adverse effects
Definition
more severe side effects, reactions, that may justify the discontinuation of a drug
Term
medication interactions
Definition
occurs when the admin. of one drug before, at the same time as, or after another drug alters the effect of one or both drugs (may be beneficial or harmful)
Term
potentiating effect
Definition
effect of one or both drugs may be increased
Term
inhibiting effect
Definition
effect of one or both drugs may be decreased
Term
additive
Definition
when two of the same types of drug increase the action of each other
Term
synergistic
Definition
when two diff. drugs increase the action of one or another drug
Term
stat order
Definition
indicates that the med. is to be given immediately and only once
Term
single order
Definition
(one-time order) med. to be given once @ a specified time
Term
standing order
Definition
may or may not have a termination date; may be carried out indefinitely until an order is written to cancel it...or for a specified # of days.
Term
prn order
Definition
as-needed order; permits the nurse to give a med when, in the nurse's judgement, the client requires it; nurse must use good judgement about when med. is needed & can be safely administered
Term
medication reconciliation
Definition
"the process of creating the most accurate list possible of all medications a patient is taking - including drug name, dosage, frequency, and route - and comparing that list against the physician's admission, transfer, and/or discharge orders, with the goal of providing correct medications to the patient at all transition points within the hospital..."
Term
antagonist
Definition
drug that inhibits cell function by occupying the drug's receptor sites
Term
buccal
Definition
pertaining to the cheek
Term
controlled substances
Definition
aspect of nursing practice governed by law; kept in a locked drawer, cupboard, medication cart, or computer-controlled dispensing system.
Term
medication dependence
Definition
a person's reliance on or need to take a medication (drug, or substance)
Term
medication abuse
Definition
inappropriate intake of a substance, either continually or periodically
Term
formulary
Definition
lists drugs and their therapeutic value
Term
half-life
Definition
the time interval required for the body's elimination processes to reduce the concentration of the drug in the body by one-half
Term
allergic reaction
Definition
immunologic reaction to a drug; body reacts to a drug as a foreign substance (antigen) and the body reacts by producing antibodies
Term
injection
Definition
an invasive procedure of administering meds, requiring aseptic technique to minimize the risk of infection
Term
instillation
Definition
topical application; applied into body cavities or orifices, such as the urinary bladder, eyes, ears, nose, rectum, or vagina
Term
intramuscular injection (IM)
Definition
injections into muscle tissue that are absorbed more quickly than subcutaneous injections because of the greater blood supply to the body muscles
Term
Intravenous injection
Definition
Injection w/in a vein
Term
opthalmic
Definition
referring to the eye
Term
parenteral
Definition
drug administration occurring outside the alimentary tract; injected into the body through some route other than the alimentary canal (e.g., intramuscularly)
Term
prescription
Definition
the written direction for the preparation and administration of a drug
Term
side effects
Definition
secondary effect of a drug that is unintended; usually predictable; may be either harmless or potentially harmful
Term
subcutaneous injection
Definition
beneath the layers of the skin; hypodermic
Term
sublingual
Definition
under the tongue
Term
therapeutic effects
Definition
the primary effect intended of a drug; reason the drug is prescribed (desired effect)
Term
drug tolerance
Definition
exists in a person who has unusually low physiologic response to a drug & who requires increases in dosage to maintain a given therapeutic effect (common drugs that produce this effect: opiates, barbiturates, ethyl alcohol, tobacco)
Term
topical
Definition
applications to a circumscribed surface area of the body; affect only the area to which they are applied
Term
toxic effects (drug toxicity)
Definition
deleterious effects of a drug on an organism or tissue; some are apparent immediately; some not for weeks or months (i.e., resp. depression due to cumulative effect of morphone sulfate in the body)
Term
transdermal
Definition
topical or dermatologic medication delivery system (patch)
Term
unit dose
Definition
individual drug package that states the drug name, dose, and expiration date
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