Pharmacology Chapter 2 Review Questions
Terms in this set (34)
By what name would a client most easily identify a OTC drug that is equivalent to that of a prescription?
by the drugs generic name.
If a nurse would like to understand the mechanism of action for a specific drug, by what classification would they look under?
the pharmacologic classification.
A client who is physically dependent on a drug my likely experience what reaction after they stop taking the drug?
What is the law concerning refills for Schedule II drugs?
By law, the prescription may not be refilled until the patient has seen the doctor again. This is because of the high risk that Schedule II drugs have for abuse and/or physical and psychological dependencies.
What is meant when a drug is labeled as a Schedule G drug?
It means that the drug is a controlled substance, which means that the drug is at high risk for abuse.
What is the primary concern for Schedule I drugs?
Schedule I drugs are high risk drugs for abuse, physical dependency and psychologic dependency.
What might a nurse use to predict the adverse effects of a drug that lies in the same pharmacologic class as another?
a prototype drug.
What are the concerns for a Schedule V drug?
little to no concern; Schedule V drugs are at the lowest risk for abuse or dependency.
How are Schedule rankings classified?
Schedules are given according to the drug's potential for abuse.
What is the difference between therapeutic and pharmacologic classifications?
Therapeutic classifications are used when identifying a drug according to it's therapeutic usefulness. Pharmacologic classification are used when identifying drugs according to it's mechanism of action, or the way it exerts its effects.
Under what classification would you identify a beta-adrenergic clocker?
Under what classification would you identify an oral contraceptive?
Under what classification would you identify a laxative?
Under what classification would you identify a folic acid antagonist?
Under what classification would you identify an antianginal agent?
What is a prototype drug and how dies it differ from other drugs in the same class?
a prototype drug is a model drug with which other drugs in a pharmacologic class may be compared. it is different in the sense that it is the sole drug in which all other drugs in the class are compared.
What are the advantages of switching trade name drugs to it's generic equivalent?
it is more cost friendly to patients
What are the disadvantages of switching trade name drugs to it's generic equivalent?
the generic equivalent may not have the same bioavailability, meaning that it may be composed of different ingredients and amounts of ingredients which may not produce the same effect on target cells as the prescribed medication would.
What is the purpose of schedule classifications for drugs?
schedules are used to identify specific drugs for possible abuse and dependency issues. Drugs are placed within a 5 schedule rating in which schedule I is the level of highest concern and schedule V is the lowest.
What are the major concerns for a schedule III drug?
schedule III drugs are at moderate abuse and physical dependency levels with a chance of having high levels of psychologic dependency. these drugs require prescription and sometimes may not be refilled over the phone or without physician reorder.
What is the chemical name of a drug?
strict chemical nomenclature used for naming drugs established by the IUPAC. there is only one, and it is helpful in predicting a substance's physical and chemical properties.
What is the generic name of a drug?
it is often lowercased and is the nonproprietary name of a drug assigned by the government. it is typically less complicated and easier to remember and is the most common to use when referring to a drug.
What is the trade name of a drug?
also called the brand, product, or proprietary name, it is a name assigned to the drug by the company usually determined in the third stage of the FDA approval evaluation of the drug (the review of the NDA).
By what name should a heath care provider most often refer to a drug in order to prevent confusion or complication?
the generic name
Is it legal for a physician to switch a trade name for a generic equivalent?
it depends on the specific state laws regarding the issue.
what is the purpose of the negative formulary list?
it is a list of trade-name drugs that pharmacists man not dispense as generic drugs mainly due to concerns of bioavailability.
What is the controversy surrounding the issue of trade name versus generic equivalent?
most people do not find the variability between trade names and their generic counterparts significant enough to overlook the financial benefits that those substitutes provide for the patient. However, physicians are concerned that the variability between some drugs could cause implications to patients are large enough to cause adverse effects and/or little to no improvement for patients.
What is an addiction?
the overwhelming feeling that drives someone to use a drug repeatedly
What is dependence?
a related term, often defined as a physiologic or psychologic need for a substance.
What is physical dependency?
an altered physical condition caused by the adaptation of the nervous system to repeated drug use.
What are some specific examples of scheduled drugs?
Schedule I-heroin; Schedule II-morphine; Schedule III-codine; Schedule IV- diazepam; Schedule V- OTC Drugs.
What is the purpose of the US Controlled Substance Act of 1970?
it required pharmacies to register with the Drug Enforcement Administration (DEA) and to use their registration codes to order scheduled drugs. it also required physicians and nurse practitioners to register with DEA before they may prescribe drugs to patients. finally it requires that all schedule II-IV drugs must have written prescriptions and may not receive refills without an order from the prescribing doctor. Prevents the harmful use of controlled substances.
What are the three types of drug names?
chemical, generic, and trade names.
What may a healthcare provider distinguish from a generic name?
the drug's active ingredient.
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