Karch’s Focus on Nursing
Pharmacology
9th Edition
Author(s)Rebecca G. Tucker
TEST BANK
Question 1
Clinical Scenario
A nursing student asks why a newly discovered medication
,cannot be prescribed immediately after laboratory testing. The
instructor explains that several stages of evaluation are required
before the medication can be marketed for routine clinical use.
Question
Which statement by the student demonstrates the best
understanding of the purpose of preclinical drug testing?
Options
A. It determines the drug's effectiveness in large groups of
patients with the target disease.
B. It evaluates safety and biological activity using laboratory and
animal studies before human testing.
C. It establishes the final recommended dosage for all patient
populations.
D. It identifies rare adverse effects after the drug has been
marketed.
Correct Answer
B
Rationale
Preclinical testing occurs before studies in humans. Laboratory
and animal studies are used to evaluate pharmacologic activity,
toxicity, pharmacokinetics, and preliminary safety to determine
whether the drug is appropriate for clinical trials.
Why the Other Options Are Incorrect
A. This describes Phase III clinical trials.
,B. Correct. Preclinical testing uses laboratory and animal
models before human studies.
C. Final dosage recommendations are refined during clinical
trials and after approval.
D. Rare adverse effects are typically identified during Phase IV
(post-marketing) surveillance.
Learning Objective
Differentiate the purpose of preclinical drug evaluation from the
phases of clinical drug trials.
Bloom's Taxonomy
Understand
Difficulty
Easy
NCLEX Client Needs Category
Physiological Integrity – Pharmacological and Parenteral
Therapies
NCJMM Clinical Judgment Skill
Recognize Cues
Question 2
Clinical Scenario
A patient enrolled in a clinical research study asks the nurse
, why only a small number of healthy volunteers are
participating.
Question
The nurse recognizes that this description most closely reflects
which phase of clinical drug development?
Options
A. Preclinical studies
B. Phase I clinical trial
C. Phase III clinical trial
D. Phase IV surveillance
Correct Answer
B
Rationale
Phase I studies typically involve a small number of healthy
volunteers to evaluate safety, dosage ranges, pharmacokinetics,
and initial adverse effects before testing in larger patient
populations.
Why the Other Options Are Incorrect
A. Preclinical studies occur before human participants are
enrolled.
B. Correct. Phase I focuses primarily on safety in a small group.
C. Phase III involves large patient populations to confirm
effectiveness and monitor adverse effects.
D. Phase IV occurs after FDA approval and marketing.
Pharmacology
9th Edition
Author(s)Rebecca G. Tucker
TEST BANK
Question 1
Clinical Scenario
A nursing student asks why a newly discovered medication
,cannot be prescribed immediately after laboratory testing. The
instructor explains that several stages of evaluation are required
before the medication can be marketed for routine clinical use.
Question
Which statement by the student demonstrates the best
understanding of the purpose of preclinical drug testing?
Options
A. It determines the drug's effectiveness in large groups of
patients with the target disease.
B. It evaluates safety and biological activity using laboratory and
animal studies before human testing.
C. It establishes the final recommended dosage for all patient
populations.
D. It identifies rare adverse effects after the drug has been
marketed.
Correct Answer
B
Rationale
Preclinical testing occurs before studies in humans. Laboratory
and animal studies are used to evaluate pharmacologic activity,
toxicity, pharmacokinetics, and preliminary safety to determine
whether the drug is appropriate for clinical trials.
Why the Other Options Are Incorrect
A. This describes Phase III clinical trials.
,B. Correct. Preclinical testing uses laboratory and animal
models before human studies.
C. Final dosage recommendations are refined during clinical
trials and after approval.
D. Rare adverse effects are typically identified during Phase IV
(post-marketing) surveillance.
Learning Objective
Differentiate the purpose of preclinical drug evaluation from the
phases of clinical drug trials.
Bloom's Taxonomy
Understand
Difficulty
Easy
NCLEX Client Needs Category
Physiological Integrity – Pharmacological and Parenteral
Therapies
NCJMM Clinical Judgment Skill
Recognize Cues
Question 2
Clinical Scenario
A patient enrolled in a clinical research study asks the nurse
, why only a small number of healthy volunteers are
participating.
Question
The nurse recognizes that this description most closely reflects
which phase of clinical drug development?
Options
A. Preclinical studies
B. Phase I clinical trial
C. Phase III clinical trial
D. Phase IV surveillance
Correct Answer
B
Rationale
Phase I studies typically involve a small number of healthy
volunteers to evaluate safety, dosage ranges, pharmacokinetics,
and initial adverse effects before testing in larger patient
populations.
Why the Other Options Are Incorrect
A. Preclinical studies occur before human participants are
enrolled.
B. Correct. Phase I focuses primarily on safety in a small group.
C. Phase III involves large patient populations to confirm
effectiveness and monitor adverse effects.
D. Phase IV occurs after FDA approval and marketing.
