WGU D116 Unit 2 – Exam Questions and
Correct Detailed Answers, Nursing Program)
– Complete Exam Preparation Material
Introduction:
This document provides the complete set of Unit 2 exam
questions for WGU course D116, along with detailed correct
answers and explanations. It covers essential pharmacology
topics including pharmacokinetics, pharmacodynamics,
therapeutic drug monitoring, prescriptive authority, prototype
drugs, and drug classifications. Each question is followed by a
rationale, making it a valuable resource for exam preparation and
review.
Questions and Detailed Answers:
1. A patient receives a drug that has a narrow therapeutic
range. What is the nurse administering this medication expected
to do?
A. Monitor plasma drug levels.
B. Administer the drug at intervals longer than the drug half-
life.
,C. Teach the patient that maximum drug effects will occur
within a short period.
D. Administer this medication intravenously-Answer:- A.
Monitor plasma drug levels
A drug with a narrow therapeutic range is more diflcult to
administer safely because the ditterence between the minimum
ettective concentration (MEC ) and the toxic concentration is
small. Patients taking these medications must have their plasma
drug levels monitored closely to ensure that they are getting an
ettective dose that is not toxic.
2. A patient is receiving intravenous gentamicin. A serum drug
test reveals toxic levels. The dosing is correct, and this medication
has been tolerated by this patient in the past.
What is a probable cause of the test result?
A. The drug was not completely dissolved in the IV solution.
B. A loading dose was not given.
C. The medication is being given at a frequency that is longer
than its half-life.
D. The patient is taking another medication that binds to serum
albumin.-Answer:- D. The patient is taking another medication
that binds to serum albumin.
, Correct! Gentamicin binds to albumin, but only weakly. In the
presence of another drug that binds to albumin, gentamicin can
rise to toxic levels in blood serum.
3. What are the components of pharmacokinetics?-Answer:-
Absorption, distribution, metabolism,
excretion
4. Does the volume of distribution increase or decrease as the
concentration of a drug in the blood plasma increases?-Answer:-
DECREASES
5. A patient reports becoming "immune" to a medication
because it no longer works to alleviate symptoms.
The provider recognizes that this decreased effectiveness is likely
caused by what?
A. synthesis of more receptor sites in response to the
medication
B. decreased selectivity of receptor sites, resulting in a variety
of effects
C. desensitization of receptor sites by continual exposure to
the drug
D. antagonists produced by the body that compete with the
drug for receptor sites-Answer:- C. Desensitization of receptor
sites by continual exposure to the drug
Correct Detailed Answers, Nursing Program)
– Complete Exam Preparation Material
Introduction:
This document provides the complete set of Unit 2 exam
questions for WGU course D116, along with detailed correct
answers and explanations. It covers essential pharmacology
topics including pharmacokinetics, pharmacodynamics,
therapeutic drug monitoring, prescriptive authority, prototype
drugs, and drug classifications. Each question is followed by a
rationale, making it a valuable resource for exam preparation and
review.
Questions and Detailed Answers:
1. A patient receives a drug that has a narrow therapeutic
range. What is the nurse administering this medication expected
to do?
A. Monitor plasma drug levels.
B. Administer the drug at intervals longer than the drug half-
life.
,C. Teach the patient that maximum drug effects will occur
within a short period.
D. Administer this medication intravenously-Answer:- A.
Monitor plasma drug levels
A drug with a narrow therapeutic range is more diflcult to
administer safely because the ditterence between the minimum
ettective concentration (MEC ) and the toxic concentration is
small. Patients taking these medications must have their plasma
drug levels monitored closely to ensure that they are getting an
ettective dose that is not toxic.
2. A patient is receiving intravenous gentamicin. A serum drug
test reveals toxic levels. The dosing is correct, and this medication
has been tolerated by this patient in the past.
What is a probable cause of the test result?
A. The drug was not completely dissolved in the IV solution.
B. A loading dose was not given.
C. The medication is being given at a frequency that is longer
than its half-life.
D. The patient is taking another medication that binds to serum
albumin.-Answer:- D. The patient is taking another medication
that binds to serum albumin.
, Correct! Gentamicin binds to albumin, but only weakly. In the
presence of another drug that binds to albumin, gentamicin can
rise to toxic levels in blood serum.
3. What are the components of pharmacokinetics?-Answer:-
Absorption, distribution, metabolism,
excretion
4. Does the volume of distribution increase or decrease as the
concentration of a drug in the blood plasma increases?-Answer:-
DECREASES
5. A patient reports becoming "immune" to a medication
because it no longer works to alleviate symptoms.
The provider recognizes that this decreased effectiveness is likely
caused by what?
A. synthesis of more receptor sites in response to the
medication
B. decreased selectivity of receptor sites, resulting in a variety
of effects
C. desensitization of receptor sites by continual exposure to
the drug
D. antagonists produced by the body that compete with the
drug for receptor sites-Answer:- C. Desensitization of receptor
sites by continual exposure to the drug
