Lehne's Pharmacology for Nursing
Care
12th Edition
Author(s)Jacqueline Rosenjack
Burchum; Laura D. Rosenthal
TEST BANK
,
,Question 1 — Easy — MCQ
Which statement best defines a drug in the context of
pharmacology?
A. Any substance that produces a physiologic change in the body
B. A substance used only to treat disease
C. A substance that always produces a beneficial response
D. A chemical that acts only on the nervous system
Correct Answer:
A. Any substance that produces a physiologic change in the body
Rationale:
A drug is a chemical substance that alters physiologic function
when introduced into the body. Drugs are not limited to treatments
for disease and may produce beneficial, adverse, or unintended
effects. Option B is too narrow because drugs may also be used
for diagnosis, prevention, or other purposes. Options C and D are
incorrect because drugs do not always produce beneficial effects
and may act on many body systems.
Question 2 — Easy — MCQ
Which term refers most directly to the study of drugs and
their actions on living organisms?
A. Pharmacology
B. Diagnosis
C. Pathology
D. Epidemiology
Correct Answer:
A. Pharmacology
, Rationale:
Pharmacology is the study of drugs, including their properties,
mechanisms of action, therapeutic effects, and adverse effects.
Diagnosis concerns identification of disease, pathology concerns
disease processes, and epidemiology concerns the distribution
and determinants of health-related events in populations.
Question 3 — Easy — MCQ
A nurse is explaining the therapeutic objective of medication
therapy to a student. Which statement is most accurate?
A. The goal is to produce the maximum possible drug response.
B. The goal is to eliminate all physiologic responses to the drug.
C. The goal is to obtain the desired therapeutic effect with
acceptable adverse effects.
D. The goal is to keep drug concentrations as high as possible for
as long as possible.
Correct Answer:
C. The goal is to obtain the desired therapeutic effect with
acceptable adverse effects.
Rationale:
The therapeutic objective is to achieve the desired clinical benefit
while minimizing unwanted effects. Maximizing a drug response is
not necessarily desirable because greater intensity can increase
toxicity. Eliminating all physiologic responses is unrealistic, and
maintaining unnecessarily high drug concentrations can increase
harm.
Question 4 — Easy — MCQ
Which characteristic is most consistent with an ideal drug?
Care
12th Edition
Author(s)Jacqueline Rosenjack
Burchum; Laura D. Rosenthal
TEST BANK
,
,Question 1 — Easy — MCQ
Which statement best defines a drug in the context of
pharmacology?
A. Any substance that produces a physiologic change in the body
B. A substance used only to treat disease
C. A substance that always produces a beneficial response
D. A chemical that acts only on the nervous system
Correct Answer:
A. Any substance that produces a physiologic change in the body
Rationale:
A drug is a chemical substance that alters physiologic function
when introduced into the body. Drugs are not limited to treatments
for disease and may produce beneficial, adverse, or unintended
effects. Option B is too narrow because drugs may also be used
for diagnosis, prevention, or other purposes. Options C and D are
incorrect because drugs do not always produce beneficial effects
and may act on many body systems.
Question 2 — Easy — MCQ
Which term refers most directly to the study of drugs and
their actions on living organisms?
A. Pharmacology
B. Diagnosis
C. Pathology
D. Epidemiology
Correct Answer:
A. Pharmacology
, Rationale:
Pharmacology is the study of drugs, including their properties,
mechanisms of action, therapeutic effects, and adverse effects.
Diagnosis concerns identification of disease, pathology concerns
disease processes, and epidemiology concerns the distribution
and determinants of health-related events in populations.
Question 3 — Easy — MCQ
A nurse is explaining the therapeutic objective of medication
therapy to a student. Which statement is most accurate?
A. The goal is to produce the maximum possible drug response.
B. The goal is to eliminate all physiologic responses to the drug.
C. The goal is to obtain the desired therapeutic effect with
acceptable adverse effects.
D. The goal is to keep drug concentrations as high as possible for
as long as possible.
Correct Answer:
C. The goal is to obtain the desired therapeutic effect with
acceptable adverse effects.
Rationale:
The therapeutic objective is to achieve the desired clinical benefit
while minimizing unwanted effects. Maximizing a drug response is
not necessarily desirable because greater intensity can increase
toxicity. Eliminating all physiologic responses is unrealistic, and
maintaining unnecessarily high drug concentrations can increase
harm.
Question 4 — Easy — MCQ
Which characteristic is most consistent with an ideal drug?
