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pharmacology

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Question
Answer
Absorption the   process by which the drug passes into the  
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Adverse Effect   more sever side effect that may justify the discontinuation of a drug  
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Agonist   drug that interacts with a receptor to produce a response  
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Antagonist   drug that inhibits cell function by occupying the drug’s receptor site  
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Anaphylactic Reaction   a severe allergic reaction that usually occurs immediately after administration of a drug  
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Ampule   a glass container usually designed to hold a single dose of a drug  
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Drug Habituation   a mild form of psycho logic dependence on a drug  
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Drug Half-Life   the time required for the elimination process to reduce the concentration of a drug to one-half what it was at initial administration; aka elimination half-life  
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Bevel   the slanted part at the tip of a needle  
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Biotransformation   process by which a drug is converted to a less active form; aka detoxification  
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Brand Name   name of the drug given by the drug manufacturer; aka the trade name  
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Buccal   a med that is held in the mouth against the mucous membranes of the cheek until the drug is dissolved  
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Cannula   part of the needle that is attached to the hub; aka shaft  
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Chemical Name   name by which a chemist knows the drug; describes the constituents of the drug precisely  
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Cumulative Effect   an increasing response to repeated doses of a drug that occurs when the rate of administration exceeds the rate of metabolism or excretion  
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Desired Effect   the primary effect intended of a drug; reason the drug is prescribed; aka therapeutic effect  
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Distribution   the transportation of a drug from its site of absorption to the site of action  
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Drug   a chemical compound taken for disease prevention, diagnosis, cure, or relief or to affect the structure of function of the body  
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Drug Abuse   excessive intake of a substance either continually or periodically  
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Drug Allergy   an immunologic reaction to a drug  
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Drug Dependence   inability to keep the intake of a drug or substance under control  
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Drug Interaction   the beneficial or harmful interaction of one drug with another drug  
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Drug Tolerance   a condition in which successive increase in the dosage of a drug is required to maintain a given therapeutic effect  
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Drug Toxicity   the quality of a drug that exerts a deleterious effect on an organism or tissue  
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Hub   the part of the needle that fits on to the syringe  
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Epidural   the injection of an anesthetic agent into the epidural space  
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Ethnopharmacology   study of the effect of ethnicity on responses to prescribed meds  
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Excretion   elimination of a waste product produced by the body cells from the body  
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Generic Name   given b/f a drug officially becomes an approve med; generally used throughout the drug’s lifetime  
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Gastronomy Tube   a tube that is surgically placed directly into the client’s stomach & provides another route for administering nutrition & meds  
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Gauge   the diameter of the shaft of a needle; the larger the gauge # the smaller the shaft diameter  
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Hypodermic   under the skin  
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Hypodermic Syringe   a type of syringe that comes in 2-, 2.5- & 3 mL sizes; the syringe usually has two scales marked on it the minim & the mL  
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Latrogenic Disease   diseased caused unintentionally by medical therapy  
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Idiosyncratic Effect   a different, unexpected or individual effect from the norm one usually expected from a med; the occurrence of unpredictable & unexplainable symptoms  
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Illicit Drugs   drugs that are sold illegally; street drugs  
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Insulin Syringe   syringe that has a scale specially designed for insulin & is the only syringe that should be used to administer insulin  
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Intradermal (ID)   under the epidermis (into the derma)  
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Intradermal (ID) Injection   the administration of a drug into the dermal layer of the skin just beneath the epidermis  
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Intramuscular (IM)   into the muscle tissue  
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Intramuscular (IM) Injection   the administration of a drug into the muscle tissue  
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Intraspinal (intrathecal)   into the spinal cord  
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Intravenous (IV)   within the vein  
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Irrigation   a flushing or washing out with a specific solution; administration of a solution to was out the conjunctival sac to remove secretions or foreign bodies or to remove chemicals that may injure the eye  
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Lavage   an irrigation or washing of a body organ, such as the stomach  
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Medication   a substance administered for the diagnosis, cure, tx, or relief of a symptom or for prevention of a disease  
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Medication Reconciliation   process of creating the most accurate list possible of all meds a client is taking - including drug name, dosage, frequency, route - & comparing the list against the physician’s admission, transfer, &/or D/C orders, with the goal of providing  
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Meniscus   the crescent-shaped upper surface of a column of liquid  
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Metabolism   the sum of all physical & chemical processes by which a living substance is formed & maintained & by which energy is made available for use by the organism  
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Metabolites   end products for enzymes  
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Metered-dose Inhaler (MDI)   a handheld nebulizer that is a pressurized container of medication that can be used by the client to release the medication through a mouthpiece  
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Nasogastric (NG) Tube   a tube inserted through by way of the nasopharanx or the orpharanx; it is place into the stomach for the temporary purpose of feeding the client or to remove gastric secretions  
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NPO   nothing by mouth  
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Official Name   the name under which a drug is listed in one of the official publications  
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Onset of Action   the time after a drug administered, when the body initially responds to the drug  
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Opthalmic   pertaining to meds for the eye  
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Otic   refers to instillations or irrigation of the external auditory canal  
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Parenteral   drug administration using a med route other than the alimentary or digestive tract; IV, ID, SC, IM  
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Peak Plasma Level   the concentration of a drug in the blood plasma that occurs when the elimination rate = the rate of administration  
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Percutaneous   route of absorption of a topical med through the skin  
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Pharmacist   a person licensed to prepare & dispense drugs & prescriptions  
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Pharmacodynamics   the process by which a drug alters cell physiology  
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Pharmacokinetics   the study of the absorption, distribution, biotransformation, & excretion of drugs  
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Pharmogenetics   process by which the effect of a drug is influenced by genetic variations such as gender, size, & body composition  
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Pharmacology   the scientific study of the actions of drugs on living animals & humans  
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Pharmacopoeia   a book containing a list of drug products used in medicine, including their descriptions & formulas  
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Pharmacy   the art of preparing, compounding, & dispensing drugs; also refers to the place where drugs are prepared & dispensed  
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Physiologic Dependence   biochemical changes occurring in the body as a result of excessive drug use  
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Piggy Back   a secondary IV setup that connects a 2nd container to the tubing of a primary container at the upper port; used solely for intermittent drug administration  
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Plateau   a maintained concentration of a drug in the plasma during a series of scheduled doses  
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Potentiating Effect   the increased effect of one or both drugs  
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Prefilled Unit-dose Systems   disposable units that provide inject able meds that are available as prefilled syringes ready for use, or as prefilled sterile cartridges & needles that require the attachment of a reusable holder b/f use  
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Prescription   the written direction for the prep & administration of a drug  
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PRN Order   “as needed” order; permit’s the nurse to give a med when, in the nurses judgment, the client requires it  
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Psychological Dependence   a state of emotional reliance on a drug to maintain one’s well-being; a feeling of need or craving for a drug  
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Receptor   a location on the surface of a cell membrane or within a cell (usually a protein) to which a drug chemical binds  
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Reconstitution   the technique of adding a dilutent to a powdered drug to prepare it for administration  
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Shaft   the part of the needle that is attached to the hub; aka the cannula  
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Side Effect   the secondary effect of a drug that is intended; usually predictable & may be either harmless or potentially harmful  
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Single Order   indicates an order that is to be carried out one time only at a specified time  
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Stat Order   indicates an order that is to be carried out immediately & only once  
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Subcutaneous   beneath the layers of the skin; hypodermic  
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Sublingual   a method of drug administration in which the drug is placed under the tongue  
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Synergistic   when two different drugs increase the action of one or another drug  
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Tandem   a secondary IV setup in which a 2nd IV container is attached to the line of the 1st container at the lower, secondary port to permit meds to be administered intermittently or simultaneously with a primary solution  
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Therapeutic Effect   the primary effect intended of a drug; reason the drug is prescribed  
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Topical   applied externally  
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Trade Name   name of a drug given by the drug manufacture (brand name)  
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Transdermal Patch   a dermatologic med delivery system that administers sustained-action meds via multilayered films containing the drug & an adhesive layer  
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Tuberculin Syringe   a narrow syringe, calibrated in tenths & hundredths of a mm on one scale & in sixteenths of a minim on the other scale that can be useful for administering other drugs, particularly when small or precise measurement is indicated  
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Vial   a small glass med container with a sealed rubber cap; used for single or multidoses  
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Volume-control Infusion Set   small fluid filled containers (100-150 mL) attached below the primary infusion container so that the med is administered through the clients IV line  
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