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Drug Classes and Schedules

Bioavailability

ability of a drug to reach the bloodstream and target tissues

Chemical name

Strict chemical nomenclature used for naming drugs established by the International Union of Pure and Applied Chemistry (IUPAC)

Combination drug

drug product with more than one active generic ingredient

Controlled substance

In the United States, a drug whose use is restricted by the Comprehensive Drug Abuse Prevention and Control Act; in Canada, a drug subject to guidelines outlined in the Canadian Narcotic Control Act

Dependence

Strong physiological or psychological need for a substance

Generic name

Nonproprietary name of a drug assigned by the government

Mechanism of action

The way in which a drug exerts its effects

Pharmacologic classification

method for organizing drugs on the basis of their mechanism of action

Prototype drug

well understood model drug with which other drugs in a pharmacologic class may be compared

Scheduled drugs

in the U.S., a term describing a drug placed into one of five categories based on its potential for misuse or abuse

Therapeutic classification

method for organizing drugs on the basis of their clinical usefulness

Trade name

proprietary name of a drug assigned by the manufacturer; also called the brand name or product name

Withdrawl

physical signs of discomfort associated with the discontinuation of an abused substance

In order to understand a drug's mechanism of action, you would check the?

the pharmacological classification

What is the law concerning refills for Schedule II drugs?

patient must seen by a health provider each time

What is a Schedule G drug?

a controlled substance

Which scheduled drug has the highest risk for abuse and dependence?

Schedule I drugs

The nurse can predict the actions and adverse effects of other drugs int he same pharmacologic class by understanding which of the following?

prototype drug

How are drugs classified?

potential for abuse and addiction

What is the difference between therapeutic and pharmacologic classifications?

therapeutic classification- method of organizing drugs based on their therapeutic usefulness in treating a particular disease, pharmacologic classification- refers to how an agent works at the molecular, tissue and body system levels

Is beta-adrenergic blocker therapeutic or pharmacologic?

pharmacologic

Is oral contraceptive therapeutic or pharmacologic?

therapeutic

Is a laxative therapeutic or pharmacologic?

therapeutic

Is a folic acid antagonist therapeutic or pharmacologic?

pharmacologic

is an antianginal agent therapeutic or pharmacologic?

therapeutic

What is a prototype drug, how does it differ from other drugs in the same class?

prototype drugs exhibit typical or essential features of the drugs within a specific class

What is the advantage of generic drugs?

cost savings, only one name is assigned for the drug (less complicated and easier to remember)

What is the disadvantage of generic drugs?

formularies may be different, the inert ingredients may be somewhat different and may affect the ability of the drug to reach the target cells and produce an effect.

With _____ classifications, drugs are organized on the basis of their usefulness in treating a particular disorder.

therapeutic

Drugs organized by _______ classifications are categorized based on how they produce their effect in the body.

pharmacologic

A _____ drug is the original, well-understood drug model from which other drugs in a particular class have been developed.

prototype

Three types of drug names are?

chemical, generic and trade

The description give to a drug by the International Union of Pure and Applied Chemistry (IUPAC) is its _______ name.

chemical

Drugs with more than one active ingredient?

combination drugs

One of the main arguments against substituting generic drugs for brand name drugs is differences in?

bioavailability

calcium channel blocker

example of pharmacologic classification

antihypertensive

therapeutic classification

active ingredient

generic name

trade name

brand name

What is the key to the therapeutic classification of a drug?

link the disorder to the drug's clinical usefulness

A drug's trade name is assigned by whom?

developing pharmaceutical company

Why would a drug be placed on the negative drug formulary list?

generic drug bioavailability is different from the brand name and affects patient outcomes

Why is a drug classified as a scheduled drug?

the drug can cause dependency

What classification has the highest potential for abuse?

Schedule I

What classification has the sole purpose of use a research agent?

Schedule I

In the U.S. which low restricts the use of controllled substances?

Controlled Substance Act

In Canada, what drug is not restricted?

antidepressants

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