Lehne's Pharmacology for Nursing
Care
12th Edition
• Author(s)Jacqueline Rosenjack
Burchum; Laura D. Rosenthal
,TEST BANK
Question 1
Clinical Scenario
A nurse is preparing to administer a newly prescribed
antihypertensive medication. The patient asks, "How does this
medicine actually lower my blood pressure?"
Question
Which response by the nurse best explains the term
mechanism of action?
Options
A. It describes how the body absorbs, distributes, metabolizes,
and eliminates the medication.
B. It explains the specific biochemical interaction through which
the medication produces its therapeutic effect.
C. It identifies all adverse effects that may occur while taking
the medication.
D. It predicts how quickly the medication will begin working
after administration.
,Correct Answer
B. It explains the specific biochemical interaction through
which the medication produces its therapeutic effect.
Rationale
The mechanism of action describes how a drug produces its
physiologic or pharmacologic effect, usually by interacting with
receptors, enzymes, ion channels, or other cellular targets.
Understanding the mechanism helps nurses anticipate
therapeutic effects, adverse reactions, contraindications, and
potential drug interactions.
From a nursing perspective, knowledge of a medication's
mechanism of action supports safe medication administration,
patient education, and evaluation of therapeutic outcomes.
Why the Other Options Are Incorrect
A. This describes pharmacokinetics, or what the body does to
the drug.
C. Adverse effects are potential unintended responses and are
not synonymous with mechanism of action.
D. The onset of action relates to pharmacokinetic properties,
not the mechanism by which the drug works.
, Learning Objective
Differentiate the mechanism of action from other fundamental
pharmacologic concepts.
Bloom's Taxonomy
Understand
Difficulty
Easy
NCLEX Client Needs Category
Pharmacological and Parenteral Therapies
NCJMM Clinical Judgment Skill
Analyze Cues
Question 2
Clinical Scenario
Care
12th Edition
• Author(s)Jacqueline Rosenjack
Burchum; Laura D. Rosenthal
,TEST BANK
Question 1
Clinical Scenario
A nurse is preparing to administer a newly prescribed
antihypertensive medication. The patient asks, "How does this
medicine actually lower my blood pressure?"
Question
Which response by the nurse best explains the term
mechanism of action?
Options
A. It describes how the body absorbs, distributes, metabolizes,
and eliminates the medication.
B. It explains the specific biochemical interaction through which
the medication produces its therapeutic effect.
C. It identifies all adverse effects that may occur while taking
the medication.
D. It predicts how quickly the medication will begin working
after administration.
,Correct Answer
B. It explains the specific biochemical interaction through
which the medication produces its therapeutic effect.
Rationale
The mechanism of action describes how a drug produces its
physiologic or pharmacologic effect, usually by interacting with
receptors, enzymes, ion channels, or other cellular targets.
Understanding the mechanism helps nurses anticipate
therapeutic effects, adverse reactions, contraindications, and
potential drug interactions.
From a nursing perspective, knowledge of a medication's
mechanism of action supports safe medication administration,
patient education, and evaluation of therapeutic outcomes.
Why the Other Options Are Incorrect
A. This describes pharmacokinetics, or what the body does to
the drug.
C. Adverse effects are potential unintended responses and are
not synonymous with mechanism of action.
D. The onset of action relates to pharmacokinetic properties,
not the mechanism by which the drug works.
, Learning Objective
Differentiate the mechanism of action from other fundamental
pharmacologic concepts.
Bloom's Taxonomy
Understand
Difficulty
Easy
NCLEX Client Needs Category
Pharmacological and Parenteral Therapies
NCJMM Clinical Judgment Skill
Analyze Cues
Question 2
Clinical Scenario
