Lehne's Pharmacology for Nursing
Care
12th Edition
• Author(s)Jacqueline Rosenjack
Burchum; Laura D. Rosenthal
,TEST BANK
Question 1 (MCQ)
Clinical Scenario
A nurse is teaching newly hired graduate nurses about basic
pharmacology terminology. One graduate asks how medications
produce their intended therapeutic effects.
Question Stem
Which statement best describes pharmacodynamics?
Options
A. The study of drug movement throughout the body
B. The study of how drugs produce their biological effects
C. The study of adverse drug reactions only
D. The study of drug development and approval
Correct Answer
B. The study of how drugs produce their biological effects
Detailed Rationale
,Pharmacodynamics examines what a drug does to the body,
including receptor interactions, mechanism of action,
therapeutic effects, adverse effects, and dose-response
relationships. Understanding pharmacodynamics enables
nurses to anticipate therapeutic outcomes and recognize
adverse reactions during medication administration.
Medication safety depends on knowing how a drug works so
appropriate monitoring can occur before and after
administration.
Incorrect Option Analysis
A. Drug movement throughout the body
Why Incorrect
This defines pharmacokinetics.
Common Misconception
Students frequently confuse pharmacokinetics with
pharmacodynamics.
Medication Safety Risk
Improper monitoring of onset, duration, and elimination.
Nursing Consideration
Remember:
, • Pharmacokinetics = Body acts on drug
• Pharmacodynamics = Drug acts on body
C. Adverse drug reactions only
Why Incorrect
Adverse effects are only one component of pharmacodynamics.
Common Misconception
Believing pharmacodynamics focuses exclusively on toxicity.
Safety Risk
Incomplete medication assessment.
Nursing Consideration
Monitor both therapeutic and adverse responses.
D. Drug development and approval
Why Incorrect
Drug approval involves regulatory science rather than
pharmacodynamics.
Common Misconception
Confusing pharmacology disciplines.
Care
12th Edition
• Author(s)Jacqueline Rosenjack
Burchum; Laura D. Rosenthal
,TEST BANK
Question 1 (MCQ)
Clinical Scenario
A nurse is teaching newly hired graduate nurses about basic
pharmacology terminology. One graduate asks how medications
produce their intended therapeutic effects.
Question Stem
Which statement best describes pharmacodynamics?
Options
A. The study of drug movement throughout the body
B. The study of how drugs produce their biological effects
C. The study of adverse drug reactions only
D. The study of drug development and approval
Correct Answer
B. The study of how drugs produce their biological effects
Detailed Rationale
,Pharmacodynamics examines what a drug does to the body,
including receptor interactions, mechanism of action,
therapeutic effects, adverse effects, and dose-response
relationships. Understanding pharmacodynamics enables
nurses to anticipate therapeutic outcomes and recognize
adverse reactions during medication administration.
Medication safety depends on knowing how a drug works so
appropriate monitoring can occur before and after
administration.
Incorrect Option Analysis
A. Drug movement throughout the body
Why Incorrect
This defines pharmacokinetics.
Common Misconception
Students frequently confuse pharmacokinetics with
pharmacodynamics.
Medication Safety Risk
Improper monitoring of onset, duration, and elimination.
Nursing Consideration
Remember:
, • Pharmacokinetics = Body acts on drug
• Pharmacodynamics = Drug acts on body
C. Adverse drug reactions only
Why Incorrect
Adverse effects are only one component of pharmacodynamics.
Common Misconception
Believing pharmacodynamics focuses exclusively on toxicity.
Safety Risk
Incomplete medication assessment.
Nursing Consideration
Monitor both therapeutic and adverse responses.
D. Drug development and approval
Why Incorrect
Drug approval involves regulatory science rather than
pharmacodynamics.
Common Misconception
Confusing pharmacology disciplines.
