KATZUNG'S BASIC AND
CLINICAL PHARMACOLOGY
16TH EDITION
• AUTHOR(S)TODD W.
VANDERAH
TEST BANK
,Question 1
A nurse is explaining the phases of medication development to
a nursing student. Which statement by the student
demonstrates the best understanding of the purpose of Phase
III clinical trials?
A. "They primarily determine whether the drug is toxic in
laboratory animals."
B. "They evaluate the medication's safety and effectiveness in a
large group of patients before approval."
C. "They identify the chemical structure of the medication."
D. "They monitor adverse effects only after the drug has been
marketed."
Correct Answer: B
Rationale:
Phase III clinical trials evaluate safety, effectiveness, optimal
dosing, and common adverse effects in large populations before
regulatory approval. Option A describes preclinical testing.
Option C occurs during drug discovery and development.
Option D describes post-marketing (Phase IV) surveillance.
Question 2
,A nurse is caring for a client who asks why a medication must
undergo years of testing before becoming available. Which
response by the nurse is most appropriate?
A. "The testing process helps determine whether the
medication is safe, effective, and has an acceptable benefit-risk
profile."
B. "The purpose is mainly to determine whether the medication
is inexpensive to manufacture."
C. "The process ensures the medication will have no adverse
effects."
D. "Testing is primarily designed to determine whether patients
prefer the medication over others."
Correct Answer: A
Rationale:
Drug development aims to establish safety, efficacy, appropriate
dosing, quality, and an acceptable benefit-risk balance before
approval. Manufacturing cost and patient preference are not
primary purposes of clinical trials. No medication is completely
free of adverse effects.
Question 3
A nurse reviews a newly prescribed medication and notices it
carries a boxed warning. Which nursing action is the priority?
, A. Administer the medication without reviewing the warning
because it has already been approved.
B. Review the warning, assess whether the client has risk
factors, and monitor according to recommendations.
C. Ask the client to sign a refusal of treatment.
D. Delay all future doses until another provider evaluates the
medication.
Correct Answer: B
Rationale:
A boxed warning highlights serious or life-threatening risks
requiring careful assessment, monitoring, and patient
education. It does not automatically prohibit use. Nurses should
understand the warning, identify risk factors, and implement
recommended monitoring rather than withholding therapy
independently.
Question 4
A client asks why a generic medication was substituted for a
brand-name medication. Which explanation by the nurse is
most accurate?
A. "Generic medications are required to meet standards for
quality and demonstrate comparable bioavailability."
B. "Generic medications contain different active ingredients."
CLINICAL PHARMACOLOGY
16TH EDITION
• AUTHOR(S)TODD W.
VANDERAH
TEST BANK
,Question 1
A nurse is explaining the phases of medication development to
a nursing student. Which statement by the student
demonstrates the best understanding of the purpose of Phase
III clinical trials?
A. "They primarily determine whether the drug is toxic in
laboratory animals."
B. "They evaluate the medication's safety and effectiveness in a
large group of patients before approval."
C. "They identify the chemical structure of the medication."
D. "They monitor adverse effects only after the drug has been
marketed."
Correct Answer: B
Rationale:
Phase III clinical trials evaluate safety, effectiveness, optimal
dosing, and common adverse effects in large populations before
regulatory approval. Option A describes preclinical testing.
Option C occurs during drug discovery and development.
Option D describes post-marketing (Phase IV) surveillance.
Question 2
,A nurse is caring for a client who asks why a medication must
undergo years of testing before becoming available. Which
response by the nurse is most appropriate?
A. "The testing process helps determine whether the
medication is safe, effective, and has an acceptable benefit-risk
profile."
B. "The purpose is mainly to determine whether the medication
is inexpensive to manufacture."
C. "The process ensures the medication will have no adverse
effects."
D. "Testing is primarily designed to determine whether patients
prefer the medication over others."
Correct Answer: A
Rationale:
Drug development aims to establish safety, efficacy, appropriate
dosing, quality, and an acceptable benefit-risk balance before
approval. Manufacturing cost and patient preference are not
primary purposes of clinical trials. No medication is completely
free of adverse effects.
Question 3
A nurse reviews a newly prescribed medication and notices it
carries a boxed warning. Which nursing action is the priority?
, A. Administer the medication without reviewing the warning
because it has already been approved.
B. Review the warning, assess whether the client has risk
factors, and monitor according to recommendations.
C. Ask the client to sign a refusal of treatment.
D. Delay all future doses until another provider evaluates the
medication.
Correct Answer: B
Rationale:
A boxed warning highlights serious or life-threatening risks
requiring careful assessment, monitoring, and patient
education. It does not automatically prohibit use. Nurses should
understand the warning, identify risk factors, and implement
recommended monitoring rather than withholding therapy
independently.
Question 4
A client asks why a generic medication was substituted for a
brand-name medication. Which explanation by the nurse is
most accurate?
A. "Generic medications are required to meet standards for
quality and demonstrate comparable bioavailability."
B. "Generic medications contain different active ingredients."
