KATZUNG'S BASIC AND
CLINICAL PHARMACOLOGY
16TH EDITION
• AUTHOR(S)TODD W.
VANDERAH
TEST BANK
,Question 1
A nurse is caring for a client enrolled in a clinical trial evaluating
a new oral medication. Which statement by the nurse best
demonstrates an understanding of informed consent?
A. "Once the consent form is signed, the participant must
complete the study."
B. "Participants may withdraw from the study at any time
without losing access to appropriate medical care."
C. "The investigator may change the study procedures without
informing participants."
D. "Participation guarantees the medication will provide
therapeutic benefit."
Correct Answer: B
Rationale:
Research participants have the right to withdraw from a clinical
trial at any time without penalty or loss of appropriate medical
care. This protects participant autonomy. Option A is incorrect
because consent is an ongoing process and participation is
voluntary. Option C is incorrect because significant protocol
changes generally require participant notification and
appropriate approval. Option D is incorrect because
investigational therapies may not provide benefit and may carry
unknown risks.
,Question 2
A nurse is reviewing a newly prescribed medication that has
recently received regulatory approval. Which post-marketing
finding would most likely prompt additional safety warnings or
changes to prescribing recommendations?
A. A favorable taste reported by patients
B. Rare but serious adverse effects identified after widespread
clinical use
C. Increased manufacturer advertising
D. Improved medication packaging
Correct Answer: B
Rationale:
Some uncommon adverse reactions become apparent only
after large numbers of patients receive a medication following
approval. Regulatory agencies may require updated warnings,
restricted use, or additional monitoring. Taste preferences,
advertising, and packaging alone do not usually result in
prescribing changes.
Question 3
A client asks why one medication requires laboratory
monitoring while another does not. Which explanation by the
nurse is most accurate?
, A. Medications with a narrow therapeutic range often require
monitoring to reduce the risk of toxicity.
B. Only injectable medications require laboratory monitoring.
C. Laboratory monitoring is needed only during the first dose.
D. Generic medications require more monitoring than brand-
name medications.
Correct Answer: A
Rationale:
Medications with a narrow therapeutic range require close
monitoring because small changes in drug concentration may
result in toxicity or treatment failure. Injectable medications are
not the only drugs requiring monitoring. Many medications
require ongoing laboratory assessment throughout therapy.
Generic medications undergo standards demonstrating
comparable quality and are not inherently monitored more
closely than brand-name products.
Question 4
A nurse explains the concept of pharmacodynamics to a nursing
student. Which statement best reflects pharmacodynamics?
A. It describes how the body absorbs, distributes, metabolizes,
and eliminates a medication.
CLINICAL PHARMACOLOGY
16TH EDITION
• AUTHOR(S)TODD W.
VANDERAH
TEST BANK
,Question 1
A nurse is caring for a client enrolled in a clinical trial evaluating
a new oral medication. Which statement by the nurse best
demonstrates an understanding of informed consent?
A. "Once the consent form is signed, the participant must
complete the study."
B. "Participants may withdraw from the study at any time
without losing access to appropriate medical care."
C. "The investigator may change the study procedures without
informing participants."
D. "Participation guarantees the medication will provide
therapeutic benefit."
Correct Answer: B
Rationale:
Research participants have the right to withdraw from a clinical
trial at any time without penalty or loss of appropriate medical
care. This protects participant autonomy. Option A is incorrect
because consent is an ongoing process and participation is
voluntary. Option C is incorrect because significant protocol
changes generally require participant notification and
appropriate approval. Option D is incorrect because
investigational therapies may not provide benefit and may carry
unknown risks.
,Question 2
A nurse is reviewing a newly prescribed medication that has
recently received regulatory approval. Which post-marketing
finding would most likely prompt additional safety warnings or
changes to prescribing recommendations?
A. A favorable taste reported by patients
B. Rare but serious adverse effects identified after widespread
clinical use
C. Increased manufacturer advertising
D. Improved medication packaging
Correct Answer: B
Rationale:
Some uncommon adverse reactions become apparent only
after large numbers of patients receive a medication following
approval. Regulatory agencies may require updated warnings,
restricted use, or additional monitoring. Taste preferences,
advertising, and packaging alone do not usually result in
prescribing changes.
Question 3
A client asks why one medication requires laboratory
monitoring while another does not. Which explanation by the
nurse is most accurate?
, A. Medications with a narrow therapeutic range often require
monitoring to reduce the risk of toxicity.
B. Only injectable medications require laboratory monitoring.
C. Laboratory monitoring is needed only during the first dose.
D. Generic medications require more monitoring than brand-
name medications.
Correct Answer: A
Rationale:
Medications with a narrow therapeutic range require close
monitoring because small changes in drug concentration may
result in toxicity or treatment failure. Injectable medications are
not the only drugs requiring monitoring. Many medications
require ongoing laboratory assessment throughout therapy.
Generic medications undergo standards demonstrating
comparable quality and are not inherently monitored more
closely than brand-name products.
Question 4
A nurse explains the concept of pharmacodynamics to a nursing
student. Which statement best reflects pharmacodynamics?
A. It describes how the body absorbs, distributes, metabolizes,
and eliminates a medication.
