Medication dictionary for nurses9/7/2023 ![]() ![]() In addition to regulatory requirements with which nurses and midwives are generally familiar, it is possible that other requirements may exist that depend on the circumstances of employment, especially the conditions of a Health Services Permit that has been issued to an employer.on prescription) in the same manner as another carer who is not a nurse or midwife. In addition to the circumstances under which nurses and midwives are commonly authorised to administer scheduled medicines, nurses and midwives are authorised to assist a patient in the administration of scheduled medicines that have been lawfully supplied to that patient (e.g.Regulations 96 and 97 contain details of the form of instructions which may authorise a nurse or midwife to administer medications to a patient. Therapeutic Window: The dosing window in which the safest and most effective treatment will occur.Registered nurses and midwives are authorised (under the regulations) to possess scheduled medicines for administration to specific patients under their care in accordance with the lawful instructions and authorisation of a registered health practitioner who is authorised to prescribe or supply the medicine. Medication with a large therapeutic index is safer than a medication with a small therapeutic index. Therapeutic Index: A quantitative measurement of the relative safety of a drug that compares the amount of drug that produces a therapeutic effect versus the amount of drug that produces a toxic effect. Side Effect: Effect of a drug, other than the desired effect, sometimes in an organ other than the target organ. A “non-selective” drug can bind to many different and unpredictable receptor sites with potential side effects. Selectivity: A “selective” drug binds to a primary and predictable site creating one desired effect. Potency: The drug dose required to produce a specific intensity of effect. Pharmacy: The science of the preparation of drugs. ![]() Pharmacology: The science dealing with actions of drugs on the body. Pharmacokinetics: The study of how the body absorbs, distributes, metabolizes, and eliminates drugs. Pharmacogenetics: The study of how a person’s genetic make-up affects their response to medicines. Pharmacodynamics: The study of how drugs act at target sites of action in the body. Peak: When the maximum concentration of a drug is in the bloodstream. Onset: When a medication first begins to work and exerts a therapeutic effect. Metabolism: The breakdown of a drug molecule via enzymes in the liver (primarily) or intestines (secondarily). ![]() Mechanism of Action: How a medication works at a cellular level within the body. The slope of the curve is characteristic of the particular drug-receptor interaction.ĭuration: The length of time that a medication is producing its desired therapeutic effect.Įfficacy: The maximum effect of which the drug is capable.Įxcretion: The final stage of pharmacokinetics the process whereby drug byproducts and metabolites are eliminated from the body.įirst Pass Effect: The inactivation of orally or enterally administered drugs in the liver and intestines. Absorption: The first stage of pharmacokinetics: medications enter the body and travel from site of administration into the body’s circulation.Īdverse Effect: An unintended and potentially dangerous pharmacological effect that occurs when a medication is administered correctly.Īffinity: The strength of binding between drug and receptor.Īgonist: A drug that binds to a “receptor” and produces an effect.Īntagonist: A molecule that prevents the action of other molecules, often by competing for a cellular receptor opposite of agonist.īioavailability: The presence of a drug in the blood stream after it is administered.īlood-Brain Barrier: A nearly impenetrable barricade that is built from a tightly woven mesh of capillaries cemented together to protect the brain from potentially dangerous substances such as poisons or viruses.ĭistribution: The second stage of pharmacokinetics the process by which medication is distributed throughout the body.ĭose-Response: As the dose of a drug increases, the response should also increase. ![]()
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