A Guide to Drug Classifications and Dosage Calculations,
4th Edition by Cynthia J. Watkins
Chapters 1 - 21
,
,Chapter 1. History of Pharmacology
Pharmacology Clear and Simple- A Guide to Drug Classifications and Dosage Calculations
4th Edition Watkins Test Bank
1. A nurse working in radiology administers iodine to a patient who is having a
computedtomography (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?
A) Pharmacoeconomics
B) Pharmacotherapeutics
C) Pharmacodynamics
D) Pharmacokinetics
ANSWER: 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.
2.
A physician has ordered intramuscular (IM) injections of morphine, a
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narcotic, every 4 hours as needed for pain in a motor vehicle accident
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kvictim. The nurse is aware this drug has a high abuse potential. Under
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what category would morphine be classified?
A) Schedule I
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B) Schedule II gk
C) Schedule III gk
D) Schedule IV gk
ANSWER: B
, Feedback:
Narcotics with a high abuse potential are classified as Schedule II drugs
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because of severe dependence liability. Schedule I drugs have high abuse
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kpotential and no accepted medical use. Schedule III drugs have a lesser
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abuse potential than II and an accepted medical use. Schedule IV drugs
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have low abuse potential and limited dependence liability.
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3.
When involved in phase III drug evaluation studies, what responsib
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ilities would the nurse have?
A) Working with animals who are given experimental drugs
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B) Choosing appropriate patients to be involved in the drug study
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C) Monitoring and observing patients closely for adverse effects
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D) Conducting research to determine effectiveness of the drug
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ANSWER: C
Feedback:
Phase III studies involve use of a drug in a vast clinical population in w
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hich patients are asked to record any symptoms they experience while
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taking the drugs. Nurses may be responsible for helping collect and a
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nalyze the information to be shared with the Food and Drug Administr
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ation (FDA) but would not conduct research independently because nur
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ses do not prescribe medications. Use of animals in drug testing is don
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e in the preclinical trials. Select patients who are involved in phase II s
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tudies to participate in studies where the participants have the disease
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the drug is intended to treat. These patients are monitored closely for
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drug action and adverse effects. Phase I studies involve healthy huma
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n volunteers who are usually paid for their participation. Nurses may o
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bserve for adverse effects and toxicity.
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4.
What concept is considered when generic drugs are substituted fo
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r brand name drugs?
A) Bioavailability
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B) Critical concentration gk
C) Distribution
D) Half-life
ANSWER: A
Feedback: