KATZUNG'S BASIC AND
CLINICAL PHARMACOLOGY
16TH EDITION
• AUTHOR(S)TODD W.
VANDERAH
TEST BANK
,Question 1
A nurse is reviewing the results of a newly completed clinical
trial for an investigational medication. Which finding provides
the strongest evidence that the medication is effective?
A. Several participants report satisfaction with treatment.
B. The medication demonstrates statistically and clinically
meaningful improvement compared with the control group.
C. The medication has fewer tablets per dose than similar
medications.
D. Most participants complete the study without withdrawing.
Correct Answer: B
Rationale:
A medication is considered effective when well-designed
studies demonstrate meaningful improvement in clinical
outcomes compared with a control or standard treatment.
Patient satisfaction (A) may not accurately reflect therapeutic
benefit. A lower pill burden (C) may improve adherence but
does not establish efficacy. Study completion (D) reflects
retention rather than treatment effectiveness.
Question 2
,A nurse is teaching a patient about why a newly prescribed
medication may take several weeks to become widely available
after regulatory approval. Which explanation is most accurate?
A. Additional manufacturing, distribution, and post-marketing
surveillance processes occur after approval.
B. The medication must be tested again in healthy volunteers.
C. Every hospital must independently approve the medication
before it can be dispensed.
D. The medication cannot be prescribed until ten years after
approval.
Correct Answer: A
Rationale:
Following regulatory approval, manufacturers scale production,
distribute the medication, and continue monitoring safety
through post-marketing surveillance. Healthy volunteer testing
(B) occurs earlier in development. Individual hospitals do not
determine national approval (C). There is no mandatory ten-
year waiting period (D).
Question 3
A patient asks why a medication was prescribed even though it
is also approved for a different condition. Which response by
the nurse is best?
, A. "Healthcare providers may prescribe medications for
appropriate clinical uses supported by evidence and
professional judgment."
B. "Medications must only be used for the exact condition listed
on the package."
C. "Using medications for any unapproved purpose is illegal."
D. "Only pharmacists may decide how medications are
prescribed."
Correct Answer: A
Rationale:
Clinicians may prescribe medications for evidence-supported
uses when appropriate for the patient's condition and
consistent with professional standards. Medications are not
restricted exclusively to labeled indications (B). Evidence-based
off-label prescribing is generally permitted (C). Prescribing
decisions are made by authorized prescribers, not pharmacists
alone (D).
Question 4
A nurse is preparing to administer the first dose of an unfamiliar
medication. Which action best promotes medication safety?
CLINICAL PHARMACOLOGY
16TH EDITION
• AUTHOR(S)TODD W.
VANDERAH
TEST BANK
,Question 1
A nurse is reviewing the results of a newly completed clinical
trial for an investigational medication. Which finding provides
the strongest evidence that the medication is effective?
A. Several participants report satisfaction with treatment.
B. The medication demonstrates statistically and clinically
meaningful improvement compared with the control group.
C. The medication has fewer tablets per dose than similar
medications.
D. Most participants complete the study without withdrawing.
Correct Answer: B
Rationale:
A medication is considered effective when well-designed
studies demonstrate meaningful improvement in clinical
outcomes compared with a control or standard treatment.
Patient satisfaction (A) may not accurately reflect therapeutic
benefit. A lower pill burden (C) may improve adherence but
does not establish efficacy. Study completion (D) reflects
retention rather than treatment effectiveness.
Question 2
,A nurse is teaching a patient about why a newly prescribed
medication may take several weeks to become widely available
after regulatory approval. Which explanation is most accurate?
A. Additional manufacturing, distribution, and post-marketing
surveillance processes occur after approval.
B. The medication must be tested again in healthy volunteers.
C. Every hospital must independently approve the medication
before it can be dispensed.
D. The medication cannot be prescribed until ten years after
approval.
Correct Answer: A
Rationale:
Following regulatory approval, manufacturers scale production,
distribute the medication, and continue monitoring safety
through post-marketing surveillance. Healthy volunteer testing
(B) occurs earlier in development. Individual hospitals do not
determine national approval (C). There is no mandatory ten-
year waiting period (D).
Question 3
A patient asks why a medication was prescribed even though it
is also approved for a different condition. Which response by
the nurse is best?
, A. "Healthcare providers may prescribe medications for
appropriate clinical uses supported by evidence and
professional judgment."
B. "Medications must only be used for the exact condition listed
on the package."
C. "Using medications for any unapproved purpose is illegal."
D. "Only pharmacists may decide how medications are
prescribed."
Correct Answer: A
Rationale:
Clinicians may prescribe medications for evidence-supported
uses when appropriate for the patient's condition and
consistent with professional standards. Medications are not
restricted exclusively to labeled indications (B). Evidence-based
off-label prescribing is generally permitted (C). Prescribing
decisions are made by authorized prescribers, not pharmacists
alone (D).
Question 4
A nurse is preparing to administer the first dose of an unfamiliar
medication. Which action best promotes medication safety?
