Core Concepts in Pharmacology

A student nurse asks what the difference between a therapeutic class and a pharmacologic class is.What is the best response by the nurse educator? 1)Therapeutic classification is how the medication produces an effect in the body,whereas pharmacologic classification is how a medication works clinically. 2)Therapeutic classification is how addictive a medication is,whereas pharmacologic classification is how the medication produces an effect in the body. 3)There are no differences between therapeutic and pharmacologic classes. 4)Pharmacologic classification is how the medication produces an effect in the body,whereas therapeutic classification is how a medication works clinically.

The nurse is preparing to administer a drug that is labeled "used for minor skin irritations." Based on the label,how is this drug classified? 1)By its function 2)By its usefulness 3)By its pharmacologic use 4)By its therapeutic use

Which drug names are examples of trade names? (Select all that apply.)Note: Credit will be given only if all correct choices and no incorrect choices are selected. 1)Calcium channel blocker 2)Benadryl 3)Loop diuretic 4)Acetaminophen 5)Motrin

A nurse is discussing generic and trade drugs with a client.The client wants to know why it takes so long for trade drugs to become available in the generic form,which are generally less expensive.What is the nurse's best response? 1)It takes 17 years for all pharmaceutical companies to develop a generic version of the drug. 2)It will take 17 years of clinical trials to approve the drug. 3)Sole ownership of a drug allows the pharmaceutical company to earn back the money spent to develop the drug. 4)Animal testing must continue for 10 years,then 7 years of human clinical trials,for a drug to be approved.

A client asks the nurse why the healthcare provider often refers to medications by the generic name instead of by the brand name.What is the best response by the nurse? 1)The pharmacy will only accept a prescription written with the generic name. 2)The physician prefers to use a more technical-sounding name for medications. 3)There is only one generic name for each medication,but there are often many brand names. 4)The client needs to ask the physician to explain why medications have so many different names.

Why are generic names preferred over chemical or trade names when prescribing a medication? (Select all that apply.)Note: Credit will be given only if all correct choices and no incorrect choices are selected. 1)Chemical names are often complicated and difficult to remember. 2)The generic name can consistently be matched to the active ingredients. 3)There might be multiple trade names for a drug. 4)The generic name is always a shortened version of the chemical name. 5)Chemical names often change.

A nurse is talking to a client about their medications.The client tells the nurse that one of the medications on the list is on a negative formulary list and asks what this means.What is the best response by the nurse? 1)This means the medication can only be dispensed using the trade name medication. 2)This means the medication can only be dispensed using the generic medication. 3)This means the medication cannot be dispensed until the order is verified with the physician a second time before dispensing the trade name medication. 4)This means the medication can be dispensed as either the generic or trade name medication.

The nurse is teaching a client about prescribed medications.One of the medications is a controlled substance and the client asks the nurse to explain what that means.What is the best response by the nurse? 1)A controlled substance is regulated under the Controlled Substances Act,and may have many restrictions placed on ordering or refilling this medication. 2)A controlled substance requires both a written prescription and a telephone call from the prescribing practitioner. 3)A controlled substance does not require a prescription to purchase. 4)A controlled substance is always called to the pharmacy by the practitioner.

Which drug schedule does a medication belong to if it has a moderate abuse potential and physical dependence? 1)I 2)IV 3)III 4)II

Which of the following would be categorized as Schedule II drugs? (Select all that apply.)Note: Credit will be given only if all correct choices and no incorrect choices are selected. 1)Morphine 2)Methadone 3)Tylenol with codeine 4)Valium 5)Heroin

What is the appropriate schedule for a drug with limited or no therapeutic use? 1)III 2)X 3)V 4)I

Scheduled drugs are classified by their potential for abuse.Which classification has the highest potential for abuse? 1)V 2)II 3)III 4)I

Scheduled drugs are classified by their potential for abuse.Which classification has the lowest potential for abuse? 1)I 2)V 3)II 4)III

A pregnant woman with a life-threatening condition must take medication that can cause harm to her fetus.What is the pregnancy category that this medication most likely represents? 1)A 2)B 3)C 4)D

Which medication would have the greatest risk to a fetus if given to a pregnant client? 1)Warfarin (Coumadin) 2)Ranitidine (Zantac) 3)Tetracycline 4)Potassium chloride (KCl)

Which medication would have the least risk to a fetus if given to a pregnant client? 1)Methotrexate 2)Alcohol 3)Ferrous fumarate (Ferranol) 4)Amoxicillin (Amoxil)

A pregnant client asks the nurse to explain what a teratogen is.What is the best response by the nurse to educate this client? 1)A teratogen is any substance that will harm a developing fetus or embryo. 2)A teratogen is a controlled substance. 3)A teratogen is a nonnarcotic pain reliever. 4)A teratogen is a medication used to treat bacterial infections.