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 developed medication
cannot be prescribed immediately after it shows promising
results in laboratory experiments. The instructor explains that
additional testing is necessary before the medication can be
approved for patient use.
,Question
Which stage of drug development primarily evaluates a
medication for safety and potential toxicity before it is tested in
humans?
Options
A. Phase I clinical trial
B. Preclinical testing
C. Phase III clinical trial
D. Phase IV post-marketing surveillance
Correct Answer
B. Preclinical testing
Rationale
Preclinical testing is conducted before human studies begin.
Laboratory and animal studies evaluate pharmacologic activity,
toxicity, and potential adverse effects to determine whether a
drug is reasonably safe to proceed to human clinical trials.
Why the Other Options Are Incorrect
A. Phase I trials involve human volunteers and primarily assess
safety and dosage, not initial toxicity testing.
B. Correct.
,C. Phase III trials compare the drug with existing therapies in
larger patient populations after earlier safety testing.
D. Phase IV occurs after FDA approval to monitor long-term
safety and identify rare adverse events.
Learning Objective
Differentiate preclinical testing from the phases of clinical drug
trials.
Bloom's Taxonomy
Apply
Difficulty
Easy
NCLEX Client Needs Category
Physiological Integrity – Pharmacological and Parenteral
Therapies
NCJMM Clinical Judgment Skill
Recognize Cues
### Question 2
Clinical Scenario
, A patient participating in a research study asks the nurse, "This
is the first time this medication has ever been given to people.
What is the main purpose of this study?"
Question
The nurse recognizes that the primary purpose of a Phase I
clinical trial is to:
Options
A. Compare the medication with current standard treatments.
B. Determine the medication's safety, tolerability, and dosage
range.
C. Monitor long-term adverse effects after approval.
D. Evaluate effectiveness in thousands of patients.
Correct Answer
B. Determine the medication's safety, tolerability, and dosage
range.
Rationale
Phase I studies are the first human trials. They primarily assess
safety, tolerability, pharmacokinetics, and dosage before larger
effectiveness studies are conducted.
Why the Other Options Are Incorrect
A. This is characteristic of later clinical trials.
Pharmacology
9th Edition
Author(s)Rebecca G. Tucker
TEST BANK
### Question 1
Clinical Scenario
A nursing student asks why a newly developed medication
cannot be prescribed immediately after it shows promising
results in laboratory experiments. The instructor explains that
additional testing is necessary before the medication can be
approved for patient use.
,Question
Which stage of drug development primarily evaluates a
medication for safety and potential toxicity before it is tested in
humans?
Options
A. Phase I clinical trial
B. Preclinical testing
C. Phase III clinical trial
D. Phase IV post-marketing surveillance
Correct Answer
B. Preclinical testing
Rationale
Preclinical testing is conducted before human studies begin.
Laboratory and animal studies evaluate pharmacologic activity,
toxicity, and potential adverse effects to determine whether a
drug is reasonably safe to proceed to human clinical trials.
Why the Other Options Are Incorrect
A. Phase I trials involve human volunteers and primarily assess
safety and dosage, not initial toxicity testing.
B. Correct.
,C. Phase III trials compare the drug with existing therapies in
larger patient populations after earlier safety testing.
D. Phase IV occurs after FDA approval to monitor long-term
safety and identify rare adverse events.
Learning Objective
Differentiate preclinical testing from the phases of clinical drug
trials.
Bloom's Taxonomy
Apply
Difficulty
Easy
NCLEX Client Needs Category
Physiological Integrity – Pharmacological and Parenteral
Therapies
NCJMM Clinical Judgment Skill
Recognize Cues
### Question 2
Clinical Scenario
, A patient participating in a research study asks the nurse, "This
is the first time this medication has ever been given to people.
What is the main purpose of this study?"
Question
The nurse recognizes that the primary purpose of a Phase I
clinical trial is to:
Options
A. Compare the medication with current standard treatments.
B. Determine the medication's safety, tolerability, and dosage
range.
C. Monitor long-term adverse effects after approval.
D. Evaluate effectiveness in thousands of patients.
Correct Answer
B. Determine the medication's safety, tolerability, and dosage
range.
Rationale
Phase I studies are the first human trials. They primarily assess
safety, tolerability, pharmacokinetics, and dosage before larger
effectiveness studies are conducted.
Why the Other Options Are Incorrect
A. This is characteristic of later clinical trials.
