KATZUNG'S BASIC AND
CLINICAL PHARMACOLOGY
16TH EDITION
• AUTHOR(S)TODD W.
VANDERAH
TEST BANK
,Question 1
A nurse is explaining why medications are approved for clinical
use only after extensive testing. Which statement best
describes the primary purpose of conducting multiple phases of
clinical research before a drug is marketed?
A. To determine whether the medication is less expensive than
existing therapies
B. To evaluate the drug's safety, effectiveness, and appropriate
dosing in humans
C. To ensure the drug can be manufactured at the lowest
possible cost
D. To identify marketing strategies for healthcare providers
Correct Answer: B
Rationale:
Clinical research is conducted to determine whether a
medication is safe, effective, and appropriate for human use
while establishing optimal dosing and monitoring for adverse
effects. Option A focuses on cost rather than patient safety.
Option C relates to manufacturing rather than clinical
evaluation. Option D concerns commercialization and is
unrelated to scientific testing.
Question 2
,A nurse reviews a newly prescribed medication that has a
narrow therapeutic index. Which nursing action is most
appropriate?
A. Administer the medication without additional monitoring
B. Monitor for therapeutic effects and signs of toxicity while
reviewing prescribed laboratory tests
C. Double the initial dose to achieve therapeutic levels more
rapidly
D. Discontinue the medication if the patient reports mild
expected adverse effects
Correct Answer: B
Rationale:
Drugs with a narrow therapeutic index require close monitoring
because the difference between therapeutic and toxic
concentrations is small. Laboratory monitoring and assessment
for toxicity are essential. Option A ignores patient safety. Option
C increases the risk of toxicity. Option D may unnecessarily
interrupt beneficial therapy without provider consultation.
Question 3
A patient asks why a generic medication was substituted for a
brand-name prescription. Which response by the nurse is most
accurate?
, A. "Generic medications always work better than brand-name
medications."
B. "Generic medications are required to demonstrate
comparable quality and bioequivalence to the reference
product."
C. "Generic medications contain completely different active
ingredients."
D. "Generic medications never cause adverse effects."
Correct Answer: B
Rationale:
Approved generic medications are expected to meet regulatory
standards for quality, strength, purity, and bioequivalence to
the reference product. Option A is incorrect because generics
are not inherently superior. Option C is incorrect because the
active ingredient is the same. Option D is incorrect because all
medications have the potential to cause adverse effects.
Question 4
A nurse is participating in medication safety efforts at a
healthcare facility. Which action best supports post-marketing
drug surveillance?
A. Reporting suspected serious adverse drug reactions through
established reporting systems
CLINICAL PHARMACOLOGY
16TH EDITION
• AUTHOR(S)TODD W.
VANDERAH
TEST BANK
,Question 1
A nurse is explaining why medications are approved for clinical
use only after extensive testing. Which statement best
describes the primary purpose of conducting multiple phases of
clinical research before a drug is marketed?
A. To determine whether the medication is less expensive than
existing therapies
B. To evaluate the drug's safety, effectiveness, and appropriate
dosing in humans
C. To ensure the drug can be manufactured at the lowest
possible cost
D. To identify marketing strategies for healthcare providers
Correct Answer: B
Rationale:
Clinical research is conducted to determine whether a
medication is safe, effective, and appropriate for human use
while establishing optimal dosing and monitoring for adverse
effects. Option A focuses on cost rather than patient safety.
Option C relates to manufacturing rather than clinical
evaluation. Option D concerns commercialization and is
unrelated to scientific testing.
Question 2
,A nurse reviews a newly prescribed medication that has a
narrow therapeutic index. Which nursing action is most
appropriate?
A. Administer the medication without additional monitoring
B. Monitor for therapeutic effects and signs of toxicity while
reviewing prescribed laboratory tests
C. Double the initial dose to achieve therapeutic levels more
rapidly
D. Discontinue the medication if the patient reports mild
expected adverse effects
Correct Answer: B
Rationale:
Drugs with a narrow therapeutic index require close monitoring
because the difference between therapeutic and toxic
concentrations is small. Laboratory monitoring and assessment
for toxicity are essential. Option A ignores patient safety. Option
C increases the risk of toxicity. Option D may unnecessarily
interrupt beneficial therapy without provider consultation.
Question 3
A patient asks why a generic medication was substituted for a
brand-name prescription. Which response by the nurse is most
accurate?
, A. "Generic medications always work better than brand-name
medications."
B. "Generic medications are required to demonstrate
comparable quality and bioequivalence to the reference
product."
C. "Generic medications contain completely different active
ingredients."
D. "Generic medications never cause adverse effects."
Correct Answer: B
Rationale:
Approved generic medications are expected to meet regulatory
standards for quality, strength, purity, and bioequivalence to
the reference product. Option A is incorrect because generics
are not inherently superior. Option C is incorrect because the
active ingredient is the same. Option D is incorrect because all
medications have the potential to cause adverse effects.
Question 4
A nurse is participating in medication safety efforts at a
healthcare facility. Which action best supports post-marketing
drug surveillance?
A. Reporting suspected serious adverse drug reactions through
established reporting systems
