Lehne's Pharmacology for Nursing
Care
12th Edition
• Author(s)Jacqueline Rosenjack
Burchum; Laura D. Rosenthal
,TEST BANK
Question 1
Type: MCQ
Clinical Scenario
A nursing student is reviewing medication concepts before
administering a newly prescribed antihypertensive medication.
The instructor asks the student to explain the difference
between pharmacokinetics and pharmacodynamics.
Question Stem
Which statement by the student demonstrates correct
understanding of pharmacokinetics?
Answer Options
A. “Pharmacokinetics describes how the drug produces its
effects on body tissues.”
B. “Pharmacokinetics describes what the body does to the
drug.”
C. “Pharmacokinetics determines whether the medication is
approved by regulatory agencies.”
D. “Pharmacokinetics explains why different patients prefer
different medications.”
,Correct Answer
B. “Pharmacokinetics describes what the body does to the
drug.”
Detailed Rationale
Pharmacokinetics refers to the movement of a drug through the
body:
• Absorption
• Distribution
• Metabolism
• Excretion
It explains drug concentration changes over time and helps
nurses understand dosing schedules, onset, duration, and
toxicity risk.
Pharmacodynamics refers to what the drug does to the body,
including receptor interactions and therapeutic effects.
Incorrect Option Analysis
A. “Pharmacokinetics describes how the drug produces its
effects on body tissues.”
, Why incorrect:
This describes pharmacodynamics.
Common misconception:
Mixing up the two foundational terms.
Medication safety risk:
Incorrect interpretation of medication effects and monitoring
needs.
Nursing consideration:
Remember:
• Pharmacokinetics = body affects drug
• Pharmacodynamics = drug affects body
C. “Pharmacokinetics determines whether the medication is
approved by regulatory agencies.”
Why incorrect:
Drug approval involves safety, efficacy, and regulatory
evaluation.
Safety risk:
Misunderstanding medication development processes.
D. “Pharmacokinetics explains why different patients prefer
different medications.”
Care
12th Edition
• Author(s)Jacqueline Rosenjack
Burchum; Laura D. Rosenthal
,TEST BANK
Question 1
Type: MCQ
Clinical Scenario
A nursing student is reviewing medication concepts before
administering a newly prescribed antihypertensive medication.
The instructor asks the student to explain the difference
between pharmacokinetics and pharmacodynamics.
Question Stem
Which statement by the student demonstrates correct
understanding of pharmacokinetics?
Answer Options
A. “Pharmacokinetics describes how the drug produces its
effects on body tissues.”
B. “Pharmacokinetics describes what the body does to the
drug.”
C. “Pharmacokinetics determines whether the medication is
approved by regulatory agencies.”
D. “Pharmacokinetics explains why different patients prefer
different medications.”
,Correct Answer
B. “Pharmacokinetics describes what the body does to the
drug.”
Detailed Rationale
Pharmacokinetics refers to the movement of a drug through the
body:
• Absorption
• Distribution
• Metabolism
• Excretion
It explains drug concentration changes over time and helps
nurses understand dosing schedules, onset, duration, and
toxicity risk.
Pharmacodynamics refers to what the drug does to the body,
including receptor interactions and therapeutic effects.
Incorrect Option Analysis
A. “Pharmacokinetics describes how the drug produces its
effects on body tissues.”
, Why incorrect:
This describes pharmacodynamics.
Common misconception:
Mixing up the two foundational terms.
Medication safety risk:
Incorrect interpretation of medication effects and monitoring
needs.
Nursing consideration:
Remember:
• Pharmacokinetics = body affects drug
• Pharmacodynamics = drug affects body
C. “Pharmacokinetics determines whether the medication is
approved by regulatory agencies.”
Why incorrect:
Drug approval involves safety, efficacy, and regulatory
evaluation.
Safety risk:
Misunderstanding medication development processes.
D. “Pharmacokinetics explains why different patients prefer
different medications.”
