Test Bank – Focus on Nursing Pharmacology (8th Edition by Karch) 1
Table of Contents
Table of Contents
1
Chapter 01 – Introduction to Drugs
Chapter 02 – Drugs and the Body
Chapter 03 – Toxic Effects of Drugs
Chapter 04 – The Nursing Process in Drug Therapy and Patient Safety
Chapter 05 – Dosage Calculations
Chapter 06 – Challenges to Effective Drug Therapy
Chapter 07 – Introduction to Cell Physiology
Chapter 08 – Antiinfective Agents
Chapter 09 – Antibiotics
Chapter 10 – Antiviral Agents
Chapter 11 – Antifungal Agents
Chapter 12 – Antiprotozoal Agents
Chapter 13 – Anthelmintic Agents
Chapter 14 – Antineoplastic Agents
Chapter 15 – Introduction to the Immune Response and Inflammation
Chapter 16 – Antiinflammatory, Antiarthritis, and Related Agents
Chapter 17 – Immune Modulators
Chapter 18 – Vaccines and Sera
Chapter 19 – Introduction to Nerves and the Nervous System
Chapter 20 – Anxiolytic and Hypnotic Agents
Chapter 21 – Antidepressant Agents
Chapter 22 – Psychotherapeutic Agents
Chapter 23 – Antiseizure Agents
Chapter 24 – Antiparkinsonism Agents
Chapter 25 – Muscle Relaxants
Chapter 26 – Narcotics, Narcotic Antagonists, and Antimigraine Agents
Chapter 27 – General and Local Anesthetic Agents
Chapter 28 – Neuromuscular Junction Blocking Agents
Chapter 29 – Introduction to the Autonomic Nervous System
Chapter 30 – Adrenergic Agonists
Chapter 31 – Adrenergic Antagonists
Chapter 32 – Cholinergic Agonists
Chapter 33 – Anticholinergic Agents
Chapter 34 – Introduction to the Endocrine System
Chapter 35 – Hypothalamic and Pituitary Agents
Chapter 36 – Adrenocortical Agents
Chapter 37 – Thyroid and Parathyroid Agents
Chapter 38 – Agents to Control Blood Glucose Levels
Chapter 39 – Introduction to the Reproductive System
Chapter 40 – Drugs Affecting the Female Reproductive System
Chapter 41 – Drugs Affecting the Male Reproductive System
Chapter 42 – Introduction to the Cardiovascular System
Chapter 43 – Drugs Affecting Blood Pressure
Chapter 44 – Agents for Treating Heart Failure
Chapter 45 – Antiarrhythmic Agents
Chapter 46 – Antianginal Agents
Chapter 47 – Lipid-Lowering Agents
Chapter 48 – Drugs Affecting Blood Coagulation
Chapter 49 – Drugs Used to Treat Anemias
Chapter 50 – Introduction to the Renal System
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Test Bank – Focus on Nursing Pharmacology (8th Edition by Karch) 2
Chapter 51 – Diuretic Agents
Chapter 52 – Drugs Affecting the Urinary Tract and the Bladder
Chapter 53 – Introduction to the Respiratory System
Chapter 54 – Drugs Acting on the Upper Respiratory Tract
Chapter 55 – Drugs Acting on the Lower Respiratory Tract
Chapter 56 – Introduction to the Gastrointestinal System
Chapter 57 – Drugs Affecting Gastrointestinal Secretions
Chapter 58 – Drugs Affecting Gastrointestinal Motility
Chapter 59 – Antiemetic Agents
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Test Bank – Focus on Nursing Pharmacology (8th Edition by Karch) 3
Chapter 01 – Introduction to Drugs
A nurse working in radiology administers iodine to a patient who is having a computed tomography (CT)
scan. The nurse working on the oncology unit administers chemotherapy to patients who have
cancer. At the Public Health Department, a nurse administers a measles-mumps-rubella (MMR)
vaccine to a 14-month-old child as a routine immunization. Which branch of pharmacology best
describes the actions of all three nurses?
Pharmacoeconomics
Pharmacotherapeutics
Pharmacodynamics
Pharmacokinetics
Ans: B
Feedback:
Pharmacology is the study of the biologic effects of chemicals. Nurses are involved with clinical
pharmacology or pharmacotherapeutics, which is a branch of pharmacology that deals with the uses of
drugs to treat, prevent, and diagnose disease. The radiology nurse is administering a drug to help
diagnose a disease. The oncology nurse is administering a drug to help treat a disease.
Pharmacoeconomics includes any costs involved in drug therapy. Pharmacodynamics involves how a
drug affects the body and pharmacokinetics is how the body acts on the body.
A physician has ordered intramuscular (IM) injections of morphine, a narcotic, every 4 hours as needed for
pain in a motor vehicle accident victim. The nurse is aware this drug has a high abuse potential.
Under what category would morphine be classified?
Schedule I
Schedule II
Schedule III
Schedule IV
Ans: B
Feedback:
Narcotics with a high abuse potential are classified as Schedule II drugs because of severe dependence
Test Bank – Focus on Nursing Pharmacology (8th Edition by Karch) 4
liability. Schedule I drugs have high abuse potential and no accepted medical use. Schedule III drugs
have a lesser abuse potential than II and an accepted medical use. Schedule IV drugs have low abuse
potential and limited dependence liability.
When involved in phase III drug evaluation studies, what responsibilities would the nurse have?
Working with animals who are given experimental drugs
Choosing appropriate patients to be involved in the drug study
Monitoring and observing patients closely for adverse effects
Conducting research to determine effectiveness of the drug Ans: C
Feedback:
Phase III studies involve use of a drug in a vast clinical population in which patients are asked to record
any symptoms they experience while taking the drugs. Nurses may be responsible for helping collect
and analyze the information to be shared with the Food and Drug Administration (FDA) but would not
conduct research independently because nurses do not prescribe medications. Use of animals in drug
testing is done in the preclinical trials. Select patients who are involved in phase II studies to participate
in studies where the participants have the disease the drug is intended to treat. These patients are
monitored closely for drug action and adverse effects. Phase I studies involve healthy human volunteers
who are usually paid for their participation. Nurses may observe for adverse effects and toxicity.
What concept is considered when generic drugs are substituted for brand name drugs?
Bioavailability
Critical concentration
Distribution
Half-life
Ans: A
Feedback:
Bioavailability is the portion of a dose of a drug that reaches the systemic circulation and is available to
act on body cells. Binders used in a generic drug may not be the same as those used in the brand name
drug. Therefore, the way the body breaks down and uses the drug may differ, which may eliminate a
generic drug substitution. Critical concentration is the amount of a drug that is needed to cause a
therapeutic effect and should not differ between generic and brand name medications. Distribution is
the phase of pharmacokinetics, which involves the movement of a drug to the body\u2019s tissues and is the
Test Bank – Focus on Nursing Pharmacology (8th Edition by Karch) 5
same in generic and brand name drugs. A drug\u2019s half-life is the time it takes for the amount of drug to
decrease to half the peak level, which should not change when substituting a generic medication.
A nurse is assessing the patient\u2019s home medication use. After listening to the patient list current
medications, the nurse asks what priority question?
Do you take any generic medications?
Are any of these medications orphan drugs?
Are these medications safe to take during pregnancy?
Do you take any over-the-counter medications?
Ans: D
Feedback:
It is important for the nurse to specifically question use of over-the-counter medications because
patients may not consider them important. The patient is unlikely to know the meaning of orphan drugs
unless they too are health care providers. Safety during pregnancy, use of a generic medication, or
classification of orphan drugs are things the patient would be unable to answer but could be found in
reference books if the nurse wishes to research them.
After completing a course on pharmacology for nurses, what will the nurse know?
Everything necessary for safe and effective medication administration
Current pharmacologic therapy; the nurse will not require ongoing education for 5 years.
General drug information; the nurse can consult a drug guide for specific drug information.
The drug actions that are associated with each classification of medication Ans: C
Feedback:
After completing a pharmacology course nurses will have general drug information needed for safe and
effective medication administration but will need to consult a drug guide for specific drug information
before administering any medication. Pharmacology is constantly changing, with new drugs entering
the market and new uses for existing drugs identified. Continuing education in pharmacology is
essential to safe practice. Nurses tend to become familiar with the medications they administer most
often, but there will always be a need to research new drugs and also those the nurse is not familiar with
because no nurse knows all medications.
Test Bank – Focus on Nursing Pharmacology (8th Edition by Karch) 6
A nurse is instructing a pregnant patient concerning the potential risk to her fetus from a Pregnancy
Category B drug. What would the nurse inform the patient?
Adequate studies in pregnant women have demonstrated there is no risk to the fetus.
Animal studies have not demonstrated a risk to the fetus, but there have been no adequate studies in pregnant
women.
Animal studies have shown an adverse effect on the fetus, but there are no adequate studies in pregnant
women.
There is evidence of human fetal risk, but the potential benefits from use of the drug may beacceptable
despite potential risks.
Ans: B
Feedback:
Category B indicates that animal studies have not demonstrated a risk to the fetus. However, there have
not been adequate studies in pregnant women to demonstrate risk to a fetus during the first trimester of
pregnancy and no evidence of risk in later trimesters. Category A indicates that adequate studies in
pregnant women have not demonstrated a risk to the fetus in the first trimester or in later trimesters.
Category C indicates that animal studies have shown an adverse effect on the fetus, but no adequate
studies in humans. Category D reveals evidence of human fetal risk, but the potential benefits from the
use of the drugs in pregnant women may outweigh potential risks.
Discharge planning for patients leaving the hospital should include instructions on the use of over-thecounter (OTC) drugs. Which comment by the patient would demonstrate a good understanding of OTC
drugs?
OTC drugs are safe and do not cause adverse effects if taken properly.
OTC drugs have been around for years and have not been tested by the Food and Drug
Administration (FDA).
OTC drugs are different from any drugs available by prescription and cost less.
OTC drugs could cause serious harm if not taken according to directions.
Ans: D
Feedback:
It is important to follow package directions because OTCs are medications that can cause serious harm
if not taken properly. OTCs are drugs that have been determined to be safe when taken as directed;
however, all drugs can produce adverse effects even when taken properly. They may have originally
been prescription drugs that were tested by the FDA or they may have been grandfathered in when the
Test Bank – Focus on Nursing Pharmacology (8th Edition by Karch) 7
FDA laws changed. OTC education should always be included as a part of the hospital discharge
instructions.
What would be the best source of drug information for a nurse?
Drug Facts and Comparisons
A nurse\u2019s drug guide
A drug package insert
The Physicians\u2019 Drug Reference (PDR) Ans: B
Feedback:
A nurse\u2019s drug guide provides nursing implications and patient teaching points that are most useful to
nurses in addition to need-to-know drug information in a very user friendly organizational
style.Lippincott\u2019s Nursing Drug Guide (LNDG) has drug monographs organized alphabetically and
includes nursing implications and patient teaching points. Numerous other drug handbooks are also on
the market and readily available for nurses to use. Although other drug reference books such as Drug
Facts and Comparisons, PDR, and drug package inserts can all provide essential drug information, they
will not contain nursing implications and teaching points and can be more difficult to use than nurse\u2019s
drug guides.
The nurse is preparing to administer a medication from a multidose bottle. The label is torn and soiled but the
name of the medication is still readable. What is the nurse\u2019s priority action?
Discard the entire bottle and contents and obtain a new bottle.
Find the drug information and create a new label for the bottle.
Ask another nurse to verify the contents of the bottle.
Administer the medication if the name of the drug can be clearly read.
Ans: A
Feedback:
When the drug label is soiled obscuring some information the safest action by the nurse is to discard the
bottle and contents because drug labels contain a great deal of important information, far more than just
the name of the drug. Concentration of the drug, expiration date, administration directions, and
precautions may be missing from the label and so put the patient at risk. Looking up drug information
in a drug handbook or consulting with another nurse will not supply the expiration date or
concentration of medication. Be safe and discard the bottle and its contents.
Test Bank – Focus on Nursing Pharmacology (8th Edition by Karch) 8
What aspect of pharmacology does a nurse study? (Select all that apply.)
Chemical pharmacology
Molecular pharmacology
Impact of drugs on the body
The body\u2019s response to a drug
Adverse and anticipated drug effects Ans:
C, D, E
Feedback:
Nurses study pharmacology from a pharmacotherapeutic level, which includes the effect of drugs on
the body, the body\u2019s response to drugs, and both expected and unexpected drug effects. Chemical and
molecular pharmacology (Options A and B) are not included in nursing pharmacology courses.
The nurse, providing patient teaching about home medication use to an older adult, explains that even when
drugs are taken properly they can produce negative or unexpected effects. What are these negative
or unexpected effects called?
Teratogenic effects
Toxic effects
Adverse effects
Therapeutic effects
Ans: C
Feedback:
Negative or unexpected effects are known as adverse or side effects. Teratogenic effects are adverse
effects on the fetus and not a likely concern for an older adult. Toxic effects occur when medication is
taken in larger than recommended dosages caused by an increase in serum drug levels. Therapeutic
effects are the desired actions for which the medication is prescribed.
After administering a medication, for what would the nurse assess the patient?
Test Bank – Focus on Nursing Pharmacology (8th Edition by Karch) 9
Drug effects
Allergies
Pregnancy
Preexisting conditions
Ans: A
Feedback:
After the medication is administered, the nurse assesses the patient for drug affects, both therapeutic
and adverse. The nurse would assess the patient for allergies, preexisting conditions, and pregnancy
before administering a medication.
The nurse receives an order to administer an unfamiliar medication and obtains a nurse\u2019s drug guide
published four years earlier. What is the nurse\u2019s most prudent action?
Find a more recent reference source.
Use the guide if the drug is listed.
Ask another nurse for drug information.
Verify the information in the guide with the pharmacist.
Ans: A
Feedback:
The nurse is responsible for all medications administered and must find a recent reference source to
ensure the information learned about the medication is correct and current. Using an older drug guide
could be dangerous because it would not contain the most up-to-date information. Asking another nurse
or the pharmacist does not guarantee accurate information will be obtained and could harm the patient
if the information is wrong.
What would the nurse provide when preparing a patient for discharge and home medication selfadministration?
Personal contact information to use if the patient has questions
Thorough medication teaching about drugs and the drug regimen
Over-the-counter medications to use to treat potential adverse effects
Test Bank – Focus on Nursing Pharmacology (8th Edition by Karch) 10
A sample size package of medication to take home until prescription is filled Ans: B
Feedback:
The nurse is responsible for providing thorough medication teaching about drugs and the drug regimen
to ensure the patient knows how to take the medication and when to notify the provider. The nurse
never provides personal contact information to a patient. If adverse effects arise, the patient is taught to
call the health care provider and should not self-medicate with over-the-counter drugs, which could
mask serious symptoms. The nurse never dispenses medication because it must be properly labeled for
home use; this is done by the pharmacy.
In response to the patient\u2019s question about how to know whether drugs are safe, the nurse explains that all
medications undergo rigorous scientific testing controlled by what organization?
Food and Drug Administration (FDA)
Drug Enforcement Agency (DEA)
Centers for Disease Control and Prevention (CDC)
Joint Commission on Accreditation of Healthcare Organizations (JCAHO) Ans: A
Feedback:
The FDA is responsible for controlling and regulating the development and sale of drugs in the United
States, allowing new drugs to enter the market only after being subjected to rigorous scientific testing.
The DEA regulates and controls the use of controlled substances. The CDC monitors and responds to
infectious diseases. The JCAHO is an accrediting body that inspects acute care facilities to ensure
minimum standards are met.
The nurse, assisting with Phase I drug studies, is talking with a woman who asks, Why can\u2019t I
participate in this study? What would be the nurse\u2019s best response?
Drugs pose a greater risk to women of reproductive age.
Drugs are only tested on men because they are stronger.
Women are more prone to adverse effects from medications.
Drugs affect women differently than they affect women.
Test Bank – Focus on Nursing Pharmacology (8th Edition by Karch) 11
Ans: A
Feedback:
Phase I drug trials usually involve healthy male volunteers because chemicals may exert an unknown
and harmful effect on ova in women which could result in fetal damage when the woman becomes
pregnant. Drugs are tested on both men and women, but women must be fully informed of risks and
sign a consent stating they understand the potential for birth defects. Women are not more prone to
adverse effects of medications. Although some drugs may affect women differently than men, this is a
rationale for why drugs need to be tested on women, not an explanation of why women are not included
in a phase I study.
The patient tells the nurse about a new drug being tested to treat the disease she was diagnosed with and asks
the nurse whether the doctor can prescribe a medication still in the preclinical phase of testing. What
is the nurse\u2019s best response?
The doctor would have to complete a great deal of paperwork to get approval to prescribe that drug.
Sometimes pharmaceutical companies are looking for volunteers to test a new drug and the doctor could give
them your name.
Drugs in the preclinical phase of testing are only tested on animals and so would not be available to you.
Drugs in the preclinical phase of testing are given only to healthy young men and so would not be available
to you.
Ans: C
Feedback:
During the preclinical phase of testing drugs are tested on animals and are not available to patients. In
phase I, the drug is tested on volunteers who are usually healthy young men. It is only in phase III
studies that the drug is made available to prescribers who agree to closely monitor patients getting the
medication.
The nurse is caring for a patient who had a severe, acute, previously unseen adverse effect of a drug in Phase
III testing. The patient asks, After all the testing done on this drug, didn\u2019t they know this adverse effect
could occur? What is the nurse\u2019s best response? (Select all that apply.)
Pharmaceutical companies sometimes underreport problems to make more money.
Your response to this medication will be reported to the drug company and the Food and Drug
Administration (FDA).
When a drug begins to be used by a large clinical market, new adverse effects may be found.
Test Bank – Focus on Nursing Pharmacology (8th Edition by Karch) 12
The pharmaceutical company weighs the benefits of the drug with the severity of adverse effects.
After a drug reaches phase III testing it is considered an accepted drug and will not be recalled.
Ans: B, C
Feedback:
When a new and unexpected adverse effect occurs, especially one of a serious nature, it is reported to
the drug company who reports it to the FDA immediately. When a large number of people begin using
the drug in phase III studies, it is not unusual to identify adverse effects not previously noted. It would
be both unprofessional and inaccurate to imply that pharmaceutical companies put profit ahead of
patient concern because lawsuits would remove any potential profit if a drug proves harmful. The FDA
is responsible for weighing risk versus benefit in deciding whether to allow the drug to move to the
next phase of testing. Drugs found to have serious adverse effects can be removed from the market at
any time.
The telephone triage nurse receives a call from a patient asking for a prescription for a narcotic to manage
his surgical pain. The nurse explains that narcotic prescriptions must be written and cannot becalled in
to the pharmacy. The patient says, Why are narcotics so difficult to get a prescription for? What is
the nurse\u2019s best response?
The Drug Enforcement Agency (DEA) determines the risk for addiction and the Food and Drug
Administration (FDA) enforces their control.
The increase in the number of drug addicts has made the rules stronger.
The Centers for Disease Control and Prevention (CDC) regulates use of controlled substances to reduce the
risk of injury.
Controlled substances like narcotics are controlled by the FDA and the DEA. Ans:
D
Feedback:
Controlled substances are controlled by the FDA and the DEA: the DEA enforces control while the
FDA determines abuse potential. Regulations related to controlled substances have remained strict and
specific and have not been significantly impacted by substance abusers. The CDC is not involved in
control of narcotics and other controlled substances.
The nurse explains the Drug Enforcement Agency\u2019s (DEA\u2019s) schedule of controlled substances to the
nursing assistant who asks, Do you ever get a prescription for Schedule I medications? What is the
nurse\u2019s best response?
Schedule I medications have no medical use so they are not prescribed.
Test Bank – Focus on Nursing Pharmacology (8th Edition by Karch) 13
Schedule I medications have the lowest risk for abuse and do not require a prescription.
Schedule I medications are only prescribed in monitored units for patient safety.
Schedule I medications are found in antitussives and antidiarrheals sold over the counter.
Ans: A
Feedback:
Schedule I medications have no medical use and are never prescribed. Schedule V medications have the
lowest risk for abuse and are found mostly in antitussives and antidiarrheals but they are not sold over
the counter.
The nurse, working on the maternity unit, receives a call from a pregnant woman asking how she can know
whether a medication is safe to take while pregnant. What is the nurse\u2019s best response?
You can take any drug indicated as a Category A.
No medications should be taken during pregnancy.
Never take medication until you receive approval from your health care provider.
Most medications are safe but you need to weigh benefit against risk.
Ans: C
Feedback:
The best response to a pregnant woman asking about medication usage is to talk with her obstetric
practitioner because the best advice will come from someone who knows their health and pregnancy
history. While Category A drugs have no known risk, they may be contraindicated by the woman\u2019s
health condition or pregnancy issues and many pregnant women would not know what it means to be a
Category A drug. Medications can be helpful during pregnancy if taken safely and appropriately.
Although risk benefit needs to be weighed, it should occur with advice from the obstetric practitioner.
A patient asks the nurse, What is a Drug Enforcement Agency (DEA) number? What is the nurse\u2019s best
response?
DEA Numbers are given to physicians and pharmacists when they register with the DEA to prescribe
and dispense controlled substances.
Physicians must have a DEA number in order to prescribe any type of medication for patients.
DEA numbers are case numbers given when someone breaks the law involving a controlled substance.
Test Bank – Focus on Nursing Pharmacology (8th Edition by Karch) 14
DEA numbers are contact numbers to talk with someone at the DEA when questions arise about controlled
substances.
Ans: A
Feedback:
All pharmacists and physicians must register with the DEA. They are given numbers that are required
before they can dispense or prescribe controlled substances. DEA numbers are only needed when
prescribing controlled substances. A DEA number is neither a case number nor a phone number.
When moving to another state, what is the nurse responsible for becoming familiar with?
Local policies and procedures for controlled substance administration
Local provider\u2019s Drug Enforcement Agency (DEA) number for prescribing controlled substances
The agency monitoring controlled substances in the new state
Board of Nursing regulations of controlled substances in the new state Ans:
A
Feedback:
The nurse needs to learn local policies and procedures for controlled substance administration because
they can vary with some local governments more rigorous than others. Nurses do not memorize a
provider\u2019s DEA numbers. The DEA is a federal agency that monitors controlled substances in all states.
State boards of nursing do not regulate controlled substances but may regulate how controlled
substances are administered by nurses.
The patient looks at the prescription provided by the doctor and asks the nurse whether he can request a
generic substitution. The nurse answers No when noting what on the prescription?
No refills
DAW
Brand name used on prescription
Patient older than 65 years of age Ans: B
Test Bank – Focus on Nursing Pharmacology (8th Edition by Karch) 15
Feedback:
DAW stands for dispense as written and means that the doctor does not want a generic substituted for
the prescribed medication. Requesting no refills does not preclude the substitution of a generic
medication. Even when the brand name is ordered, the pharmacist can substitute a generic equivalent so
long as the prescriber does not write DAW. Generic substitutions are not impacted by the patient\u2019s age.
The patient asks the nurse why generic drugs would be used and voices concerns that only the brand name
product will be safe. What is the nurse\u2019s best response?
Generic drugs are often less expensive.
Some quality control problems have been found with generic drugs.
Most generic drugs are very safe and can be cost effective as well.
Although initial cost is higher for a brand name it may cost less in the long run.
Ans: C
Feedback:
Most generic medications are completely safe and may be identical to the brand name drug except
generic medications are often less expensive, but this does not address the patient\u2019s concern about
safety. Although some quality control issues have occurred in the past, this does not address the
patient\u2019s concerns regarding safety or explain why generic drugs are prescribed and used. Although
some doctors believe initial cost is higher but will cost less over time, this response also does not
address the patient\u2019s concerns.
While studying for the test, the nursing student encounters the following drug: papaverine (Pavabid). What
does the nursing student identify the name Pavabid as?
The generic name
The chemical name
The brand name
The chemical and generic name Ans: C
Feedback:
Several clues indicate the brand name including capitalization of the first letter in the name and in
parentheses. Generic names are not capitalized; chemical names are descriptions of the chemistry of the<\/p>\n","protected":false},"excerpt":{"rendered":"
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