,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 computed to mogr
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aphy (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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l es-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 acti
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ons of all threenurses?
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A) Pharmacoeconomics
B) Pharmacotherapeutics
C) Pharmacodynamics
D) Pharmacokinetics
ANSWER: d & B
Feedback:
Pharmacology is the study of the biologic effects of chemicals. Nurses are involved with cli
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nical pharmacology or pharmacotherapeutics, which is a branch of pharmacology
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that d jc r
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
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ug to help treat a disease. Pharmacoeconomics includes any costs involved in drug thera p
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y. Pharmacodynamics involves how a drug affects the body and pharmacokinetics is ho w the
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bodyacts on thebody. d& d&
2.
A physicianhas ordered intramuscular (IM) injections ofmorphine, anarcotic, ever
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y 4hours asneededfor pain in amotorvehicle accident victim.Thenurse isaw
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arethisdrughasahigh abuse potential.Underwhatcategorywouldmor p d& d& d&
hine be classified? r% d&
A) Schedule I jc
B) Schedule II d&
C) Schedule III d &
D) Schedule IV d&
ANSWER: d & 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 pot
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ential
an d no acceptedmedicaluse.Schedule IIIdrugshavea lesserabuse potential t
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ha n II and an accepted medical use. Schedule IV drugs have lowabusepotenti
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al a ndlimited dependenceliability.
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3.
When involved in phase III drug evaluation studies, what responsibilities wouldthe n
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urse have? d&
A) Working with animals who are given experimental drugs d& d& d& d& d& d& d&
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 d& d& jc d & d& d& d&
ANSWER: d & C
Feedback:
Phase IIIstudiesinvolve use ofa drug in a vast clinical populationin whichpati
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&ents are asked to record any symptoms they experience while taking the dr
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ug s d&
. Nurses may be responsiblefor helpingcollect and analyze theinformationt
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&obe shared with the Food andDrug Administration (FDA) but would not co
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n d uct research independently because nurses do not prescribe medications. U
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se
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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e re the participants have the disease the drug is intended to treat. These patie
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n t s are monitored closely for drug action and adverse effects. Phase I studie
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s inv olve healthy human volunteers who are usually paid for their participatio
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n. Nur d&
ses mayobserve foradverse effects andtoxicity.
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4.
What concept is considered when generic drugs are substituted for brandname dr u
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gs?
A) Bioavailability
B) Critical concentration d&
C) Distribution
D) Half-life
ANSWER: d & A
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