KATZUNG'S BASIC AND
CLINICAL PHARMACOLOGY
16TH EDITION
• AUTHOR(S)TODD W.
VANDERAH
TEST BANK
,Question 1
A nurse is reviewing information about a newly approved
medication with a group of nursing students. Which statement
best describes the purpose of clinical trials conducted before
widespread marketing of a drug?
A. To determine whether the medication can be manufactured
in large quantities
B. To evaluate safety, effectiveness, and appropriate dosing in
human participants
C. To establish retail pricing and insurance reimbursement rates
D. To compare the medication with all existing drugs used for
the same condition
Correct Answer: B
Rationale:
Clinical trials are designed to evaluate a drug's safety,
effectiveness, adverse effects, and dosing in human participants
before widespread use. Manufacturing processes, pricing, and
reimbursement are not primary objectives of clinical trials.
Although some trials compare new drugs with existing
therapies, comparison with all available medications is not
required.
Question 2
,A patient asks why a medication that worked well in a clinical
study may not produce identical results in every patient. What
is the nurse's best response?
A. "All patients should experience exactly the same response to
a medication."
B. "Individual factors such as genetics, age, organ function, and
other medications can influence drug response."
C. "Clinical studies only include patients with severe illnesses."
D. "Drug effects are determined entirely by body weight."
Correct Answer: B
Rationale:
Drug responses vary because of individual characteristics
including genetics, age, renal and hepatic function, disease
states, and concurrent medications. These factors influence
pharmacokinetics and pharmacodynamics. Patients do not
respond identically to medications, and body weight is only one
of many variables.
Question 3
A nurse administers a medication that lowers blood pressure by
blocking specific receptors in blood vessels. Which
pharmacologic concept is being demonstrated?
A. Bioavailability
, B. Pharmacodynamics
C. Excretion
D. First-pass metabolism
Correct Answer: B
Rationale:
Pharmacodynamics describes what a drug does to the body,
including receptor interactions, mechanisms of action, and
physiologic effects. Bioavailability refers to the amount of drug
reaching systemic circulation. Excretion involves drug
elimination, and first-pass metabolism occurs before systemic
circulation after oral administration.
Question 4
A nurse is caring for a patient with severe liver disease. Which
effect of liver dysfunction is most important when
administering medications?
A. Increased hearing acuity
B. Reduced drug metabolism and possible drug accumulation
C. Enhanced immune function
D. Increased gastrointestinal motility
Correct Answer: B
Rationale:
CLINICAL PHARMACOLOGY
16TH EDITION
• AUTHOR(S)TODD W.
VANDERAH
TEST BANK
,Question 1
A nurse is reviewing information about a newly approved
medication with a group of nursing students. Which statement
best describes the purpose of clinical trials conducted before
widespread marketing of a drug?
A. To determine whether the medication can be manufactured
in large quantities
B. To evaluate safety, effectiveness, and appropriate dosing in
human participants
C. To establish retail pricing and insurance reimbursement rates
D. To compare the medication with all existing drugs used for
the same condition
Correct Answer: B
Rationale:
Clinical trials are designed to evaluate a drug's safety,
effectiveness, adverse effects, and dosing in human participants
before widespread use. Manufacturing processes, pricing, and
reimbursement are not primary objectives of clinical trials.
Although some trials compare new drugs with existing
therapies, comparison with all available medications is not
required.
Question 2
,A patient asks why a medication that worked well in a clinical
study may not produce identical results in every patient. What
is the nurse's best response?
A. "All patients should experience exactly the same response to
a medication."
B. "Individual factors such as genetics, age, organ function, and
other medications can influence drug response."
C. "Clinical studies only include patients with severe illnesses."
D. "Drug effects are determined entirely by body weight."
Correct Answer: B
Rationale:
Drug responses vary because of individual characteristics
including genetics, age, renal and hepatic function, disease
states, and concurrent medications. These factors influence
pharmacokinetics and pharmacodynamics. Patients do not
respond identically to medications, and body weight is only one
of many variables.
Question 3
A nurse administers a medication that lowers blood pressure by
blocking specific receptors in blood vessels. Which
pharmacologic concept is being demonstrated?
A. Bioavailability
, B. Pharmacodynamics
C. Excretion
D. First-pass metabolism
Correct Answer: B
Rationale:
Pharmacodynamics describes what a drug does to the body,
including receptor interactions, mechanisms of action, and
physiologic effects. Bioavailability refers to the amount of drug
reaching systemic circulation. Excretion involves drug
elimination, and first-pass metabolism occurs before systemic
circulation after oral administration.
Question 4
A nurse is caring for a patient with severe liver disease. Which
effect of liver dysfunction is most important when
administering medications?
A. Increased hearing acuity
B. Reduced drug metabolism and possible drug accumulation
C. Enhanced immune function
D. Increased gastrointestinal motility
Correct Answer: B
Rationale:
