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,Chapter 1. History of Pharmacology
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Pharmacology Clear and Simple-
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A Guide to Drug Classifications and Dosage Calculations 5th Edition Watkins Test Bank
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1.
A nurse working in radiology administers iodine to a patient who is having a comp
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ute d tomography (CT) scan. The nurse working on the oncology unit administers ch
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emoth erapy to patients who have cancer. At the Public Health Department, a nurse
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3administe rs a measles-mumps-rubella (MMR) vaccine to a 14-month-
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old child as a routine immunization. Which branch of pharmacology best describes the
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actions of all three nurses? b3 b3 b3 b3



A) Pharmacoeconomics
B) Pharmacotherapeutics
C) Pharmacodynamics
D) Pharmacokinetics
ANSWER: b 3 B
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Pharmacology is the study of the biologic effects of chemicals. Nurses are involved with
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clinical pharmacology or pharmacotherapeutics, which is a branch of pharmacology
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hat deals with the uses of drugs to treat, prevent, and diagnose disease.The radiol
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ogy nurse is administering a drug to help diagnose a disease. The oncology nurse is
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admini stering a drug to help treat a disease. Pharmacoeconomics includes any cost
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s involved in drug therapy. Pharmacodynamics involves how a drug affects the body
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and pharma cokinetics is howthe body acts on thebody.
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2.
A physician has ordered intramuscular (IM) injections of morphine, a narcoti
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c, every4 hours as needed for painin a motor vehicle accident victim. T
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he nurseisaware this drughas a high abuse potential. Underwhatcategory
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wo
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uld morphine be classified?
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A) Schedule I b 3




B) Schedule II b 3




C) Schedule III b 3




D) Schedule IV b 3




ANSWER: b 3 B

, Feedback:
Narcotics with a high abuse potential are classified as Schedule II drugs be
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ca use of severe dependence liability. Schedule I drugs have high abuse p
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otenti al and no accepted medical use. Schedule III drugs have a lesser abu
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se pot ential than II and an accepted medical use. Schedule IV drugs hav
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e low abus epotentialand limited dependenceliability.
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3.
When involved in phase III drug evaluation studies, what responsibiliti
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b3 e s would the nurse have?
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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: b 3 C
Feedback:
Phase III studies involve use of a drug in a vast clinical population in whi
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ch patients are asked to record any symptoms they experience while takin
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g the drugs. Nurses may be responsible for helping collect and analyze t
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he infor mation to be shared with the Food and Drug Administration (FDA
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) but wou l d not conduct research independently because nurses do not pres
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cribe med i cations. Use of animals in drug testing is done in the preclinic
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al trials.
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Select patients who are involved in phase II studies to participate in studi
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es where the participants have the disease the drug is intended to treat.
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These patients are monitored closely for drug action and adverse effects.
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Phase I s tudies involve healthy human volunteers who are usually paid fo
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r their partici pation. Nursesmayobserve for adverse effects and toxicity
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.

4.
What concept is considered when generic drugs are substituted
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f b 3 or brandname drugs?
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A) Bioavailability
B) Critical concentration b3




C) Distribution
D) Half-life
ANSWER: b 3 A
Feedback: