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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 4th Edition Watkins Test Bank
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1.
A nurse working in radiology administers iodine to a patient who is having a computed to
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mography (CT) scan. The nurse working on the oncology unit administers chemotherapy t
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o patients who have cancer. At the Public Health Department, a nurse administers a meas
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les-mumps-rubella (MMR) vaccine to a 14-month- vt vt vt vt vt



old child as a routine immunization. Which branch of pharmacology best describes the act
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ions of all three nurses? vt vt vt vt




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 cli vt vt vt vt vt vt vt vt vt vt vt vt vt vt



nical pharmacology or pharmacotherapeutics, which is a branch of pharmacology that d
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eals with the uses of drugs to treat, prevent, and diagnose disease.The radiology nurse is
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administering a drug to help diagnose a disease. The oncology nurse is administering a dr vt vt vt vt vt vt vt vt vt vt vt vt vt vt



ug to help treat a disease. Pharmacoeconomics includes any costs involved in drug thera
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py. Pharmacodynamics involves how a drug affects the body and pharmacokinetics is ho
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w the body acts on the body.
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2.
A physician has ordered intramuscular (IM) injections of morphine, a narcotic,
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every 4 hours as needed for pain in a motor vehicle accident victim. The nurs
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e is aware this drug has a high abuse potential. Under whatcategory would m
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orphine be classified? vt vt




A) Schedule I vt




B) Schedule II vt




C) Schedule III vt




D) Schedule IV vt




ANSWER: B

, Feedback:
Narcotics with a high abuse potential are classified as Schedule II drugs becaus
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e of severe dependence liability. Schedule I drugs have high abuse potential an
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d no accepted medical use. Schedule III drugs have a lesser abuse potential th
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an II and an accepted medical use. Schedule IV drugs have low abuse potential
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and limited dependence liability.
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3.
When involved in phase III drug evaluation studies, what responsibilities
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vt would the nurse have? vt vt vt




A) Working with animals who are given experimental drugs vt vt vt vt vt vt vt




B) Choosing appropriate patients to be involved in the drug study vt vt vt vt vt vt vt vt vt




C) Monitoring and observing patients closely for adverse effects vt vt vt vt vt vt vt




D) Conducting research to determine effectiveness of the drug vt vt vt vt vt vt vt




ANSWER: C
Feedback:
Phase III studies involve use of a drug in a vast clinical population in which pati
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ents are asked to record any symptoms they experience while taking the drugs
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. Nurses may be responsible for helping collect and analyze the information t
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o be shared with the Food and Drug Administration (FDA) but would not cond
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uct research independently because nurses do not prescribe medications. Us
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e of animals in drug testing is done in the preclinical trials.
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Select patients who are involved in phase II studies to participate in studies wh
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ere the participants have the disease the drug is intended to treat. These patie
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nts are monitored closely for drug action and adverse effects. Phase I studies i
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nvolve healthy human volunteers who are usually paid for their participation. N
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urses may observe for adverse effects and toxicity.
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4.
What concept is considered when generic drugs are substituted for
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t brandname drugs? vt




A) Bioavailability
B) Critical concentration vt




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