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Pharm1
Pharmacology Key Terms
74
Nursing
Undergraduate 2
02/08/2011

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Term
Adverse Effects
Definition
drug effects that are not the desired therapeutic effects; may be unpleasant or even dangerous
Term
Brand/Trade Name
Definition
name given to a drug by the pharmaceutical company that developed it
Term
Chemical Name
Definition
name that reflects the chemical structure of a drug
Term
Drugs
Definition
chemicals that are introduced into the body to bring about some sort of change
Term
Food and Drug Administration (FDA)
Definition
federal agency responsible for the regulation and enforcement of drug evaluation and distribution policies
Term
Generic Drugs
Definition
drugs sold by their chemical name; not brand (or trade) name products
Term
Genetic Engineering
Definition
process of altering DNA, usually of bacteria, to produce a chemical to be used as a drug
Term
Orphan Drugs
Definition
drugs that have been discovered but would not be profitable for a drug company to develop; usually drugs that would treat only a small number of people; these orphans can be adopted by drug companies to develop
Term
Over-The-Counter (OTC) Drugs
Definition
drugs that are available without a prescription for self-treatment of a variety of complaints; deemed to be safe when used as directed
Term
Pharmacology
Definition
the study of the biological effects of chemicals
Term
Pharmacotherapeutics
Definition
clinical pharmacology-the branch of pharmacology that deals with drugs; chemicals that are used in medicine for the treatment, prevention, and diagnosis of disease in humans
Term
Phase I Study
Definition
a pilot study of a potential drug done with a small number of selected, healthy human volunteers
Term
Phase II Study
Definition
a clinical study of a proposed drug by selected physicians using actual patients who have the disorder the drug is designed to treat; patients must provide informed consent
Term
Phase III Study
Definition
use of a proposed drug on a wide scale in the clinical setting with patients who have the disease the drug is thought to treat
Term
Phase IV Study
Definition
continual evaluation of a drug after it has been released for marketing
Term
Preclinical Trials
Definition
initial trial of a chemical thought to have therapeutic potential; uses laboratory animals, not human subjects
Term
Teratogenic
Definition
having adverse effects on the fetus
Term
Assessment
Definition
information gathering regrading the current status of a particular patient, including evaluation of past history and physical examination; provides a baseline of information and clues to effectiveness of therapy
Term
Evaluation
Definition
part of the nursing process; determining the effects of the interventions that were instituted for the patient and leading to further assessment and intervention
Term
Implementation
Definition
actions undertaken to meet a patient's needs, such as administration of drugs, comfort measures, or patient teaching
Term
Nursing
Definition
the art of nurturing and administering to the sick, combined with the scientific application of chemistry, anatomy, physiology, biology, nutrition, psychology, and pharmacology to the particular clinical situation
Term
Nursing Diagnosis
Definition
statement of an actual or potential problem, based on the assessment of a particular clinical situation, which directs needed nursing interventions
Term
Nursing Process
Definition
the problem-solving process used to provide efficient nursing care; it involves gathering information, formulating a nursing diagnosis statement, carrying out interventions, and evaluating the process
Term
Absorption
Definition
what happens to a drug from the time it enters the body until it enters the circulating fluid
Term
Active Transport
Definition
the movement of substances across a cell membrane against the concentration gradient; usually requires the use of energy
Term
Chemotherapeutic Agents
Definition
synthetic chemicals used to interfere with the functioning of foreign cell populations; frequently used for drug therapy of neoplasms but also refers to drug therapy affecting any foreign cell
Term
Critical Concentration
Definition
the concentration a drug must reach in the tissues that respond to the particular drug to cause the desired effect
Term
Distribution
Definition
movement of a drug to body tissues; the places where a drug may be distributed depend on the drug's solubility, perfusion of the area, cardiac output, and binding of the drug to plasma proteins
Term
Enzyme Induction
Definition
process by which the presence of a chemical that is biotransformed by a particular enzyme system in the liver causes increased activity of that enzyme system
Term
Excretion
Definition
removal of a drug from the body; primarily occurs in the kidneys, but can also occur through the skin, lungs, bile or feces
Term
First-Pass Effect
Definition
a phenomenon in which drugs given orally are carried directly to the liver after absorption, where they may be largely inactivated by liver enzymes before they can enter the general circulation
Term
Glomerular Filtration
Definition
passage of water and water-soluble components from the plasma into the renal tubule
Term
Half-Life
Definition
the time it takes for the amount of drug in the body to decrease to one half of the peak level it previously achieved
Term
Hepatic Microsomal System
Definition
liver enzymes tightly packed together in the hepatic intracellular structure, responsible for the biotransformation of chemicals, including drugs
Term
Loading Dose
Definition
use of a higher dose than that which is usually used for treatment to allow the drug to reach the critical concentration sooner
Term
Passive Diffusion
Definition
movement of substances across a semi-permeable membrane with the concentration gradient; does not require energy
Term
Pharmacodynamics
Definition
the science that deals with the interactions between the chemical components of living systems and the foreign chemicals, including drugs that enter living organisms
Term
Pharmacogenomics
Definition
the study of genetically determined variations in the response to drugs
Term
Pharmacokinetics
Definition
the way the body deals with a drug, including absorption, distribution, biotransformation, and excretion
Term
Placebo Effect
Definition
documented effect of the mind on drug therapy
Term
Receptor Sites
Definition
specific areas on cell membranes that react with certain chemicals to cause an effect within the cell
Term
Selective Toxicity
Definition
property of a chemotherapeutic agent that affects only systems found in foreign cells without affecting healthy human cells
Term
Blood Dyscrasia
Definition
bone marrow depression caused by drug effects on the rapidly multiplying cells of the bone marrow
Term
Dermatological Reactions
Definition
skin reactions commonly seen as adverse effects of drugs; can range from simple rash to potentially fatal exfoliative dermatitis
Term
Drug Allergy
Definition
formation of antibodies to a drug or drug protein
Term
Hypersensitivity
Definition
excessive responsiveness to either the primary or the secondary effects of a drug
Term
Poisoning
Definition
overdose of a drug that causes damage to multiple body systems and has the potential for fatal reactions
Term
Stomatitis
Definition
inflammation of the mucous membranes related to drug effects
Term
Superinfections
Definition
infections caused by the destruction of bacteria of the normal flora by certain drugs, which allow other bacteria to enter the body and cause infection
Term
Apothecary System
Definition
a very old system of measure that was specifically developed for use by apothecaries or pharmacists
Term
Clark's Rule
Definition
a method of determining the correct drug dose for a child based on the known adult dose: child's dose= weight of child/150 X average adult dose
Term
conversion
Definition
finding the equivalent values between two systems of measure
Term
Fried's Rule
Definition
a method of determining a pediatric drug dose for a child younger than 1 year of age, based on the child's age and the usual adult dose: child's dose= child's age (mo)/150mo X average adult dose
Term
Metric System
Definition
the most widely used system of measure based on the decimal system
Term
Ratio and Proportion
Definition
an equation in which a ratio containing two known equivalent amounts is on one side and a ratio containing the amount desired to convert and its unknown equivalent is on the other side
Term
Young's Rule
Definition
a method for determining pediatric drug dose based on the child's age and the usual adult dose: child's dose= child's age(yr)/child's age (yr) +12 X average adult dose
Term
Alternative Therapy
Definition
includes herbs and other "natural" products as often found in ancient records, not controlled by the FDA
Term
Biological Weapons
Definition
so-called germ warfare; the use of bacteria, viruses, and parasites on a large scale to incapacitate or destroy a population
Term
Cost Comparison
Definition
a comparison of the relative cost of the same drug provided by different manufacturers to determine the costs to the consumer
Term
Off-Label Uses
Definition
uses of a drug that are not part of the stated therapeutic indications for which the drug was approved by the FDA
Term
Self-Care
Definition
tendency of patients to self-diagnose and determine their own treatment needs
Term
Street Drugs
Definition
nonprescription drugs with no known therapeutic use; used to enhance mood or increase pleasure
Term
Acetylcholinesterase
Definition
enzyme responsible for the immediate breakdown of acetylcholine when released from the nerve ending; prevents overstimulation of cholinergic receptor sites
Term
Adrenergic Receptors
Definition
receptor sites on effectors that respond to norepinephrine
Term
Alpha-Receptors
Definition
adrenergic receptors that are found in smooth muscles
Term
Autonomic Nervous System
Definition
portion of the central and peripheral nervous systems that, with the endocrine system, functions to maintain internal homeostasis
Term
Beta-Receptors
Definition
adrenergic receptors that are found in the heart, lungs, and vascular smooth muscle
Term
Cholinergic Receptors
Definition
receptor sites on effectors that respond to acetylcholine
Term
Ganglia (Ganglion[s])
Definition
groups of closely packed nerve cell bodies
Term
Monoamine Oxidase (MAO)
Definition
enzyme that breaks down norepinephrine to make it inactive
Term
Muscarinic Receptors
Definition
cholinergic receptors that also respond to stimulation by muscarine
Term
Nicotinic Receptors
Definition
cholinergic receptors that also respond to stimulation by nicotine
Term
Parasympathetic Nervous System
Definition
"rest-and-digest" response mediator that contains (CNS) cells from the cranium or sacral area of the spinal cord, long preganglionic axons, ganglia near or within the effector tissue, and shot postganglionic axons that react with cholinergic receptors
Term
Sympathetic Nervous System
Definition
"flight-or-flight" response mediator; composed of CNS cells fromt he thoracic or lumbar areas, short preganglionic axons, ganglia near the spinal cord, and long postganglionic axons that react with adrenergic receptors
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