KATZUNG'S BASIC AND
CLINICAL PHARMACOLOGY
16TH EDITION
• AUTHOR(S)TODD W.
VANDERAH
TEST BANK
,Question 1
A nurse is explaining why medications undergo several stages of
testing before approval for widespread use. Which statement
best describes the primary purpose of clinical trials involving
human participants?
A. To determine whether a medication can be manufactured at
low cost
B. To evaluate the medication's safety, effectiveness, and
appropriate dosing in people
C. To compare the medication's packaging with competing
products
D. To establish the medication's expiration date before
marketing
Correct Answer: B
Rationale:
Clinical trials in human participants are designed to evaluate a
medication's safety, effectiveness, adverse effects, and
appropriate dosage before approval for widespread use. Option
A is incorrect because manufacturing costs are not the primary
goal of clinical trials. Option C is unrelated to clinical research
objectives. Option D is addressed during pharmaceutical
,development but is not the primary purpose of human clinical
trials.
Question 2
A patient asks why a newly approved medication continues to
be monitored after it becomes available. Which response by the
nurse is most appropriate?
A. "Once a medication is approved, additional safety monitoring
is unnecessary."
B. "Post-marketing surveillance helps identify uncommon or
delayed adverse effects that may not have appeared during
clinical trials."
C. "Monitoring continues only because all new medications are
considered experimental."
D. "The purpose is to determine whether the medication can be
sold without a prescription."
Correct Answer: B
Rationale:
Post-marketing surveillance helps identify rare, delayed, or
population-specific adverse reactions that may not have been
detected in preapproval studies. Option A is incorrect because
continued monitoring remains essential. Option C inaccurately
, describes approved medications. Option D is unrelated to
routine post-marketing safety surveillance.
Question 3
A nurse administers a medication that selectively blocks
receptors responsible for excessive sympathetic stimulation.
Which pharmacologic principle is illustrated?
A. Agonist activity
B. Drug antagonism
C. Drug accumulation
D. Drug tolerance
Correct Answer: B
Rationale:
An antagonist binds to receptors and prevents or reduces the
action of endogenous substances or agonist drugs. Option A is
incorrect because agonists activate receptors. Option C refers to
increasing drug levels over time. Option D describes decreased
responsiveness after repeated exposure.
Question 4
A patient receives an intravenous medication for rapid control
of severe symptoms. Which pharmacokinetic process is
bypassed because of the intravenous route?
CLINICAL PHARMACOLOGY
16TH EDITION
• AUTHOR(S)TODD W.
VANDERAH
TEST BANK
,Question 1
A nurse is explaining why medications undergo several stages of
testing before approval for widespread use. Which statement
best describes the primary purpose of clinical trials involving
human participants?
A. To determine whether a medication can be manufactured at
low cost
B. To evaluate the medication's safety, effectiveness, and
appropriate dosing in people
C. To compare the medication's packaging with competing
products
D. To establish the medication's expiration date before
marketing
Correct Answer: B
Rationale:
Clinical trials in human participants are designed to evaluate a
medication's safety, effectiveness, adverse effects, and
appropriate dosage before approval for widespread use. Option
A is incorrect because manufacturing costs are not the primary
goal of clinical trials. Option C is unrelated to clinical research
objectives. Option D is addressed during pharmaceutical
,development but is not the primary purpose of human clinical
trials.
Question 2
A patient asks why a newly approved medication continues to
be monitored after it becomes available. Which response by the
nurse is most appropriate?
A. "Once a medication is approved, additional safety monitoring
is unnecessary."
B. "Post-marketing surveillance helps identify uncommon or
delayed adverse effects that may not have appeared during
clinical trials."
C. "Monitoring continues only because all new medications are
considered experimental."
D. "The purpose is to determine whether the medication can be
sold without a prescription."
Correct Answer: B
Rationale:
Post-marketing surveillance helps identify rare, delayed, or
population-specific adverse reactions that may not have been
detected in preapproval studies. Option A is incorrect because
continued monitoring remains essential. Option C inaccurately
, describes approved medications. Option D is unrelated to
routine post-marketing safety surveillance.
Question 3
A nurse administers a medication that selectively blocks
receptors responsible for excessive sympathetic stimulation.
Which pharmacologic principle is illustrated?
A. Agonist activity
B. Drug antagonism
C. Drug accumulation
D. Drug tolerance
Correct Answer: B
Rationale:
An antagonist binds to receptors and prevents or reduces the
action of endogenous substances or agonist drugs. Option A is
incorrect because agonists activate receptors. Option C refers to
increasing drug levels over time. Option D describes decreased
responsiveness after repeated exposure.
Question 4
A patient receives an intravenous medication for rapid control
of severe symptoms. Which pharmacokinetic process is
bypassed because of the intravenous route?
