Pharmacological Basis of Therapeutics
14th Edition
• Author(s)Laurence Brunton; Bjorn
Knollmann
(Goodman & Gilman–Only | Exam-Ready |
Nursing-Focused)
Test Bank: Goodman & Gilman’s The Pharmacological Basis of
Therapeutics, 14th Edition
Chapter: Drug Discovery — From Medicinal Plants to
Computer-Aided Drug Design
1.
,A nurse studying early drug development recognizes that many
modern medications originated from natural sources. Which
statement best describes the historical role of medicinal plants
in drug discovery?
A. Medicinal plants were primarily used to synthesize biologic
agents.
B. Natural products often served as templates for chemical
modification.
C. Plant-derived drugs are rarely pharmacologically active.
D. Synthetic drugs replaced natural products entirely in modern
practice.
Correct Answer: B
Rationale: Natural products frequently provided lead
compounds that were later chemically modified to improve
efficacy, safety, and pharmacokinetics.
Citation: Goodman & Gilman’s The Pharmacological Basis of
Therapeutics, 14th Edition — Drug Discovery: From Medicinal
Plants to Computer-Aided Drug Design.
2.
During lead identification, what is the primary goal of screening
chemical compounds?
A. Determining optimal dosage ranges
B. Identifying compounds with desired biological activity
,C. Establishing post-marketing surveillance
D. Evaluating long-term toxicity
Correct Answer: B
Rationale: Screening aims to detect compounds that interact
with a biological target and demonstrate potential therapeutic
activity.
Citation: Goodman & Gilman, 14th Edition — Drug Discovery:
From Medicinal Plants to Computer-Aided Drug Design.
3.
A drug candidate is modified to enhance receptor selectivity
and reduce adverse effects. This process is best described as:
A. Pharmacovigilance
B. Lead optimization
C. Phase IV testing
D. Therapeutic substitution
Correct Answer: B
Rationale: Lead optimization involves structural modification of
a promising compound to improve potency, selectivity, and
safety.
Citation: Goodman & Gilman, 14th Edition — Drug Discovery:
From Medicinal Plants to Computer-Aided Drug Design.
, 4.
Which scientific advancement allows researchers to design
drugs based on the three-dimensional structure of a biological
target?
A. Empirical plant extraction
B. Structure-based drug design
C. Therapeutic drug monitoring
D. Randomized clinical trials
Correct Answer: B
Rationale: Structure-based drug design uses molecular
modeling and structural biology to develop compounds that fit
specific targets.
Citation: Goodman & Gilman, 14th Edition — Drug Discovery:
From Medicinal Plants to Computer-Aided Drug Design.
5.
Why is target identification considered a critical early step in
drug discovery?
A. It determines the marketing strategy.
B. It establishes the mechanism through which a drug may exert
therapeutic effects.
C. It replaces the need for clinical trials.
D. It guarantees drug approval.