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Chapter 35 - Medications
Definitions
101
Nursing
Undergraduate 1
02/26/2013

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Term
Absorption
Definition
The process by which a drug passes into the bloodstream
Term
Adverse effects
Definition
More severe side effects that may justify the discontinuation of a drug
Term
Agonist
Definition
A drug that interacts with a receptor to produce a response
Term
Ampule
Definition
A glass container usually designed to hold a single dose of a drug
Term
Anaphylactic reaction
Definition
A severe allergic reaction that usually occurs immediately after the administration of a drug
Term
Antagonist
Definition
A drug that inhibits cell function by occupying the drugs receptor sites
Term
Bevel
Definition
The slanted part at the tip of a needle
Term
Biotransformation
Definition
Process by which a drug is converted to a less active form; also called detoxification
Term
Brand name
Definition
Name of the drug given by the drug manufacturer; also called the trade name
Term
Buccal
Definition
A medication (E. G., A tablet) that is held in the mouth against the mucous membranes of the cheek until the drug dissolves
Term
Cannula
Definition
A tube with a lumen (Channel) that is inserted into a cavity or duct and is often fitted with a trocar during insertion for abdominal paracentesis; the part of the needle that is attached to the hub; also called a shaft
Term
Chemical name
Definition
The name by which a chemist knows the drug; describes the constituents of the drug precisely
Term
Cumulative effect
Definition
The increasing response to repeated doses of a drug that occurs when the rate of administration exceeds the rate of metabolism or excretion
Term
Desired effect
Definition
See therapeutic effect
Term
Detoxification
Definition
See biotransformation
Term
Distribution
Definition
The transportation of a drug from its site of absorption to its site of action
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
Drug abuse
Definition
Excessive intake of a substance either continually or periodically
Term
Drug allergy
Definition
An immunologic reaction to a drug
Term
Drug dependence
Definition
Inability to keep the intake of a drug or substance under control
Term
Drug habituation
Definition
A mild form of psychological dependence on a drug
Term
Drug half-life
Definition
The time required for the elimination process to reduce the concentration of a drug to one half what it was at initial administration
Term
Drug interaction
Definition
The beneficial or harmful interaction of one drug with another drug
Term
Drug tolerance
Definition
A condition in which successive increases in the dosage of a drug are required to maintain a given therapeutic effect
Term
Drug toxicity
Definition
The quality of a drug that exerts a deleterious effect on an organism or tissue
Term
Elimination half-life
Definition
See drug half-life
Term
Epidural
Definition
The injection of an anesthetic agent into the epidural or intrathecal (subarachnoid) space
Term
Ethnopharmacology
Definition
Study of the affects of ethnicity on responses to prescribed medicines
Term
Excretion
Definition
Elimination of a waste product produced by the body cells from the body
Term
Gastrostomy tube
Definition
A tube that is surgically placed directly into the clients stomach and provides another route for administering nutrition and medications
Term
Gauge
Definition
The diameter of the shaft of a needle; the larger the gauge number, the smaller the diameter of the shaft
Term
Generic name
Definition
Given before a drug officially becomes an approved medication; generally used throughout the drugs lifetime
Term
Hub
Definition
The part of the needle that fits onto the syringe
Term
Hypodermic
Definition
Under the skin
Term
Hypodermic syringe
Definition
A type of syringe that comes in two, 2.5, and 3ML sizes; the syringe usually has two scales mark on it: the mnim and the milliliter
Term
Iatrogenic disease
Definition
Diseases caused unintentionally by medical therapy
Term
Idiosyncratic effect
Definition
A different, unexpected, or individual effect from the normal one usually expected from a medication; the occurrence of unpredictable and unexplainable symptoms
Term
Illicit drugs
Definition
Drugs that are sold illegally; street drugs
Term
Inhibiting effect
Definition
The decreased effect of one or both drugs
Term
Insulin syringe
Definition
Syringe that has a scale specially designed for insulin and is the only syringe that should be used to administer insulin
Term
Intradermal (ID)
Definition
Under the epidermis (into the dermis)
Term
Intradermal (ID) injection
Definition
The administration of a drug into the dermal layer of the skin just beneath the epidermis
Term
Intramuscular (IM)
Definition
Into the muscle
Term
Intramuscular (IM) injection
Definition
The administration of a drug into the muscle tissue
Term
Intraspinal
Definition
Into the spinal canal
Term
Intrathecal
Definition
See intraspinal
Term
Intravenous (IV)
Definition
Within a vein
Term
Irrigation
Definition
A flashing or washing out with a specified solution; administration of a solution to watch out the conjunctival sac to remove secretions or foreign bodies or to remove chemicals that may injure the eye
Term
Lavage
Definition
an irrigation or washing of a body organ, such as the stomach
Term
Medication
Definition
a substance administered for the diagnosis, cure, treatment, relief of a symptom, or prevention of disease
Term
Medication Reconciliation
Definition
process of creating the most accurate list possible of all medications a patient is taking
Term
Meniscus
Definition
the curve in the upper surface of a liquid close to the surface of the container or graduated cup
Term
Metabolism
Definition
the sum of all the physical and chemical processes by which living substance is formed and maintained and by which energy is made available for use by the organism
Term
Metabolites
Definition
end products or enzymes
Term
Metered-dose inhaler (MDI)
Definition
a handheld nebulizer, which is a pressurized container of medication that can be used by the client to release the medication through a mouthpiece
Term
Minim
Definition
the basic unit of measure in the apothecary system, equal to 0.0616 mL
Term
NPO
Definition
Latin word nil per os "nothing by mouth"
Term
Nasogastric tube
Definition
a tube is inserted by way of the nasopharynx and is placed into the client's stomach for the purpose of feeding the client or to remove gastric secretions
Term
Official name
Definition
the name under which a drug is listed in one of the official publications (e.g., the United States Pharmacopeia)
Term
Onset of action
Definition
the time after administration when the body initially responds to the drug
Term
Ophthalmic
Definition
referring to the eye
Term
Oral
Definition
referring to the mouth
Term
Otic
Definition
referring to the ear
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
Peak plasma level
Definition
the concentration of a drug in the blood plasma that occurs when the elimination rate equals the rate of absorption
Term
Percutaneous
Definition
the route of absorption of topical medications through the skin
Term
Pharmacist
Definition
a person licensed to prepare and dispense drugs and prescriptions
Term
Pharmacodynamics
Definition
the process by which a drug alters cell physiology
Term
Pharmacogeneetics
Definition
genetic variations such as gender, size, and body composition that influences a client's response to a drug
Term
Pharmacokinetics
Definition
the study of the absorption, distribution, biotransformation, and excretion of drugs
Term
Pharmacology
Definition
the scientific study of the actions of drugs on living animals and humans
Term
Pharmacopoeia
Definition
a book containing a list of drug products used in medicine, including their descriptions and formulas
Term
Pharmacy
Definition
the art of preparing, compounding, and dispensing drugs; also refers to the place where drugs are prepared and dispensed
Term
Physiological dependence
Definition
biochemical changes occurring in the body as a result of excessive use of a drug
Term
Piggyback
Definition
second set connects the second container at the lower, secondary port; used soley for intermittent drug administration
Term
Plateau
Definition
a maintained concentration of a drug in the plasma during a series of scheduled doses
Term
Potentiating effect
Definition
the increased effect of one or both drugs
Term
Prefilled unit-dose system
Definition
injectable medications that are disposable and are available as (a) prefilled syringes ready for use or (b) prefilled sterile cartridges and needles that require the attachment of a reusable holder (injection system) before use
Term
Prescription
Definition
the written direction for the preparation and administration of a drug
Term
Prn order
Definition
as needed order, permits the nurse to give a medication when, in the nurse's judgment, the client requires it
Term
Psychological dependence
Definition
a state of emotional reliance on a drug to maintain one's well-being; a feeling of need or craving for a drug
Term
Receptor
Definition
the drug's specific target, usually a protein located on the surface of a cell membrane or within the cell
Term
Reconstitution
Definition
the technique of adding a solvent to a powdered drug to prepare it for injection
Term
Shaft
Definition
the part of the needle, which is attached to the hub
Term
Side effect
Definition
the secondary effect of a drug that is unintended; usually predictable and may be either harmless or potentially harmful
Term
Single order
Definition
common medication order which "one-time order" is for medication to be given once at a specified time
Term
Specific antagonists
Definition
drugs that have no special pharmacologic action of their own but that inhibit or prevent the action of an agonist
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 number of days
Term
Stat order
Definition
common medication order which indicates that the medication is to be given immediately and only once
Term
Subcutaneous
Definition
beneath the layers of the skin, hypodermic
Term
Sublingual
Definition
under the tongue
Term
Synergistic effect
Definition
see Potentiating effect
Term
Tandem
Definition
secondary IV setup in which a second container is attached to the first container at the lower seondary port; permits meds to be administered intermittently or simultaneously with the primary solution
Term
Therapeutic effect
Definition
the primary effect intended of a drug; reason the drug is prescribed
Term
Topical
Definition
applied externally (e.g., to the skin or mucous membranes)
Term
Trade Name
Definition
see Brand name
Term
Transdermal patch
Definition
a particular type of topical or dermatologic medication delivery system
Term
Tuberculin syringe
Definition
originally designed to administer tuberculin; a narrow syringe, calibrated in tenths and hundredths of a milliliter (up to 1 mL) on one scale and in sixteenths of a minim (up to 1 minim) on the other scale
Term
Vial
Definition
a glass medication container with a sealed rubber cap, for single or multiple doses
Term
Volume control infusion set
Definition
small fluid containers (100 to 150 mL in size) attached below the primary infusion container so that the medication is administered through the client's IV line
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