Test Bank - Focus on Nursing Pharmacology (9th Edition by Karch) 3
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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
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Schedule III
Schedule IV
Ans: B
Feedback:
Narcotics with a high abuse potential are classified as Schedule II drugs because of severe dependence
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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’s tissues and is the
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Distribution of this document is illegal extra per year?
,Test Bank - Focus on Nursing Pharmacology (9th Edition by Karch) 4
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
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,Test Bank - Focus on Nursing Pharmacology (9th Edition by Karch) 5
Schedule III
Schedule IV
Ans: B
Feedback:
Narcotics with a high abuse potential are classified as Schedule II drugs because of severe dependence
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Distribution of this document is illegal extra per year?
, Test Bank - Focus on Nursing Pharmacology (9th Edition by Karch) 6
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’s tissues and is the
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Distribution of this document is illegal extra per year?
