Karch’s Focus on Nursing
Pharmacology
9th Edition
Author(s)Rebecca G. Tucker
TEST BANK
Question 1
Clinical Scenario
A nursing student is reviewing how drugs are discovered and is
asked which source commonly provides morphine and digoxin.
,Question
Which source of drugs is responsible for producing medications
derived directly from plants?
Options
A. Synthetic sources
B. Natural sources
C. Semi-synthetic laboratory modification
D. Biotechnology only
Correct Answer
B
Rationale
Natural sources include plants, animals, and microorganisms
that provide original compounds used as drugs (e.g., morphine
from opium poppy, digoxin from foxglove).
Why the Other Options Are Incorrect
A. Synthetic sources involve laboratory creation, not natural
origin.
B. Correct.
C. Semi-synthetic drugs are modified derivatives, not direct
sources.
D. Biotechnology is one method, not the definition of natural
sourcing.
Learning Objective
Identify sources of drugs and classify drug origins.
,Bloom's Taxonomy
Understand
Difficulty
Easy
NCLEX Client Needs Category
Pharmacological and Parenteral Therapies
NCJMM Clinical Judgment Skill
Recognize Cues
Question 2
Clinical Scenario
A nurse explains to a patient that a new medication was fully
tested in animals before human trials began.
Question
Which phase of drug development primarily evaluates drug
safety in animals before human testing?
Options
A. Phase I
B. Phase II
C. Preclinical trials
D. Phase IV
, Correct Answer
C
Rationale
Preclinical trials involve laboratory and animal studies to assess
toxicity, pharmacokinetics, and safety before human use.
Why the Other Options Are Incorrect
A. Phase I involves healthy human volunteers.
B. Phase II involves patients with the condition.
C. Correct.
D. Phase IV occurs after FDA approval.
Learning Objective
Describe stages of drug evaluation.
Bloom's Taxonomy
Understand
Difficulty
Easy
NCLEX Client Needs Category
Pharmacological and Parenteral Therapies
NCJMM Clinical Judgment Skill
Recognize Cues
Question 3
Pharmacology
9th Edition
Author(s)Rebecca G. Tucker
TEST BANK
Question 1
Clinical Scenario
A nursing student is reviewing how drugs are discovered and is
asked which source commonly provides morphine and digoxin.
,Question
Which source of drugs is responsible for producing medications
derived directly from plants?
Options
A. Synthetic sources
B. Natural sources
C. Semi-synthetic laboratory modification
D. Biotechnology only
Correct Answer
B
Rationale
Natural sources include plants, animals, and microorganisms
that provide original compounds used as drugs (e.g., morphine
from opium poppy, digoxin from foxglove).
Why the Other Options Are Incorrect
A. Synthetic sources involve laboratory creation, not natural
origin.
B. Correct.
C. Semi-synthetic drugs are modified derivatives, not direct
sources.
D. Biotechnology is one method, not the definition of natural
sourcing.
Learning Objective
Identify sources of drugs and classify drug origins.
,Bloom's Taxonomy
Understand
Difficulty
Easy
NCLEX Client Needs Category
Pharmacological and Parenteral Therapies
NCJMM Clinical Judgment Skill
Recognize Cues
Question 2
Clinical Scenario
A nurse explains to a patient that a new medication was fully
tested in animals before human trials began.
Question
Which phase of drug development primarily evaluates drug
safety in animals before human testing?
Options
A. Phase I
B. Phase II
C. Preclinical trials
D. Phase IV
, Correct Answer
C
Rationale
Preclinical trials involve laboratory and animal studies to assess
toxicity, pharmacokinetics, and safety before human use.
Why the Other Options Are Incorrect
A. Phase I involves healthy human volunteers.
B. Phase II involves patients with the condition.
C. Correct.
D. Phase IV occurs after FDA approval.
Learning Objective
Describe stages of drug evaluation.
Bloom's Taxonomy
Understand
Difficulty
Easy
NCLEX Client Needs Category
Pharmacological and Parenteral Therapies
NCJMM Clinical Judgment Skill
Recognize Cues
Question 3
