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Practical Pharmacology (OPTO 6253 ) Pharmacology 6e Instructor Test Bank

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John Marsh
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Ch1 – Focus on Nursing Pharmacology 6e Instructor Test Bank

  • University of Houston
  • Practical Pharmacology (OPTO 6253 )

Chapter 1- Introduction to Drugs
1.
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?
A)
Pharmacoeconomics
B)
Pharmacotherapeutics
C)
Pharmacodynamics
D)
Pharmacokinetics

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
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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 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?
A)
Schedule I
B)
Schedule II
C)
Schedule III
D)
Schedule IV

Feedback:
Narcotics with a high abuse potential are classified as Schedule II drugs because of severe
dependence 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.
3.
When involved in phase III drug evaluation studies, what responsibilities would the nurse
have?
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A)
Working with animals who are given experimental drugs
B)
Choosing appropriate patients to be involved in the drug study
C)
Monitoring and observing patients closely for adverse effects
D)
Conducting research to determine effectiveness of the drug

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.
4.
What concept is considered when generic drugs are substituted for brand name drugs?
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A)
Bioavailability
B)
Critical concentration
C)
Distribution
D)
Half-life
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
same in generic and brand name drugs. A drug’s half-life is the time it takes for the
amount of drug to decrease to half the peak level, which should not change when
substituting a generic medication.
5.
A nurse is assessing the patient’s home medication use. After listening to the patient list
current medications, the nurse asks what priority question?
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A)
“Do you take any generic medications?”
B)
“Are any of these medications orphan drugs?”
C)
“Are these medications safe to take during pregnancy?”
D)
“Do you take any over-the-counter medications?”

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Practical Pharmacology (OPTO 6253 ) Pharmacology 6e Instructor Test Bank

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