Care
12th Edition
• Author(s)Jacqueline Rosenjack
Burchum; Laura D. Rosenthal
,TEST BANK
Question 1 – MCQ
Clinical Scenario
A nurse is caring for a patient who asks why one medication
lowers blood pressure while another medication relieves pain.
Question Stem
Which pharmacology term best describes the study of how
drugs affect the body?
Options
A. Pharmacokinetics
B. Pharmacodynamics
C. Toxicology
D. Pharmacoeconomics
Correct Answer
B. Pharmacodynamics
Detailed Rationale
,Pharmacodynamics refers to the study of biochemical and
physiologic effects of drugs and their mechanisms of action. It
explains what the drug does to the body, including therapeutic
and adverse effects.
Pharmacokinetics describes what the body does to the drug
through absorption, distribution, metabolism, and excretion.
Incorrect Option Analysis
A. Pharmacokinetics
• Incorrect because it focuses on drug movement through
the body.
• Misconception: Confusing drug action with drug
movement.
• Safety Risk: Misinterpreting medication monitoring
requirements.
• Nursing Consideration: Understand both pharmacokinetics
and pharmacodynamics.
C. Toxicology
• Studies harmful effects of chemicals and drugs.
• Safety Risk: Failure to differentiate therapeutic and toxic
responses.
D. Pharmacoeconomics
, • Evaluates cost-effectiveness of therapies.
• Safety Risk: None directly, but unrelated to mechanism of
action.
Nursing Process Linkage
Assessment
NCJMM Competencies
• Recognize Cues
• Analyze Cues
Difficulty
Easy
Bloom's Level
Understand
NCLEX Client Needs Category
Pharmacological and Parenteral Therapies
Key Learning Objective
Differentiate pharmacodynamics from other pharmacologic
disciplines.
Question 2 – MCQ
Clinical Scenario