CLAYTON’S BASIC PHARMACOLOGY
FOR NURSES 20TH EDITION TEST
BANK BY MICHELLE J. WILLIHNGANZ
& SAMUEL L. GUREVITZ | CHAPTERS
1–48 COMPLETE EXAM PREP |
VERIFIED Q&A WITH RATIONALES |
ISBN 9780443126994
CLAYTON'S BASIC PHARMACOLOGY FOR NURSES — 20TH EDITION
MICHELLE J. WILLIHNGANZ & SAMUEL L. GUREVITZ
COMPLETE EXAM PREP | CHAPTERS 1–48 | QUESTIONS WITH EXPERT
RATIONALE
CHAPTER 1: DRUG DEFINITIONS, STANDARDS, AND INFORMATION SOURCES
1. What is the term used to describe the chemical name of a drug that reflects
its molecular structure?
A. Brand name
B. Generic name
C. Chemical name
D. Official name
E. Trade name
Correct Answer: C. Chemical name
EXPERT RATIONALE: The chemical name describes the exact molecular structure of
a drug using chemical nomenclature. It is the most precise name but often too complex
for clinical use.
,2. Which of the following is the MOST authoritative legal source for drug
standards in the United States?
A. Physician's Desk Reference (PDR)
B. American Hospital Formulary Service
C. United States Pharmacopeia-National Formulary (USP-NF)
D. Nursing Drug Handbook
E. Package insert
Correct Answer: C. United States Pharmacopeia-National Formulary (USP-
NF)
EXPERT RATIONALE: The USP-NF is the official legal standard for drug purity,
strength, and quality in the United States. Drugs meeting its standards may carry the
"USP" designation.
3. A drug that has been approved by the FDA and is available without a
prescription is classified as which type of drug?
A. Schedule II controlled substance
B. Investigational drug
C. Prescription-only drug
D. Over-the-counter (OTC) drug
E. Controlled substance
Correct Answer: D. Over-the-counter (OTC) drug
EXPERT RATIONALE: OTC drugs are deemed safe enough for consumer use without
a physician's prescription. They are regulated by the FDA but do not require professional
authorization to purchase.
,4. The generic name of a drug is also referred to as its:
A. Trade name
B. Chemical name
C. Brand name
D. Proprietary name
E. Nonproprietary name
Correct Answer: E. Nonproprietary name
EXPERT RATIONALE: The generic (nonproprietary) name is the official name
assigned to a drug that is not owned by any manufacturer. It is universally recognized
and used across the healthcare system.
5. Which federal law was the FIRST to require that drugs be proven safe
before marketing?
A. Harrison Narcotic Act of 1914
B. Food, Drug, and Cosmetic Act of 1938
C. Kefauver-Harris Amendment of 1962
D. Controlled Substances Act of 1970
E. Durham-Humphrey Amendment of 1951
Correct Answer: B. Food, Drug, and Cosmetic Act of 1938
EXPERT RATIONALE: The Food, Drug, and Cosmetic Act of 1938 was passed following
deaths caused by sulfanilamide elixir. It mandated safety testing before marketing drugs
to the public.
6. A nurse is looking up information about a newly approved drug. Which
resource would provide the MOST current and detailed prescribing
information?
, A. Merck Manual
B. Nursing Drug Handbook (previous edition)
C. PDR from five years ago
D. Medical dictionary
E. Manufacturer's package insert
Correct Answer: E. Manufacturer's package insert
EXPERT RATIONALE: The manufacturer's package insert contains the most current,
FDA-approved prescribing information for a drug, including indications, dosing,
contraindications, and adverse effects.
CHAPTER 2: BASIC PRINCIPLES OF DRUG ACTION AND DRUG INTERACTIONS
7. The term "pharmacodynamics" refers to:
A. How a drug is absorbed into the bloodstream
B. How a drug is metabolized by the liver
C. The study of drug excretion pathways
D. The time required for a drug to reach peak concentration
E. The mechanism by which drugs produce their effects in the body
Correct Answer: E. The mechanism by which drugs produce their effects in
the body
EXPERT RATIONALE: Pharmacodynamics is the study of what a drug does to the
body, including its mechanism of action, receptor binding, and the physiological effects it
produces.
8. When two drugs are given together and their combined effect is greater
than the sum of their individual effects, this is called:
FOR NURSES 20TH EDITION TEST
BANK BY MICHELLE J. WILLIHNGANZ
& SAMUEL L. GUREVITZ | CHAPTERS
1–48 COMPLETE EXAM PREP |
VERIFIED Q&A WITH RATIONALES |
ISBN 9780443126994
CLAYTON'S BASIC PHARMACOLOGY FOR NURSES — 20TH EDITION
MICHELLE J. WILLIHNGANZ & SAMUEL L. GUREVITZ
COMPLETE EXAM PREP | CHAPTERS 1–48 | QUESTIONS WITH EXPERT
RATIONALE
CHAPTER 1: DRUG DEFINITIONS, STANDARDS, AND INFORMATION SOURCES
1. What is the term used to describe the chemical name of a drug that reflects
its molecular structure?
A. Brand name
B. Generic name
C. Chemical name
D. Official name
E. Trade name
Correct Answer: C. Chemical name
EXPERT RATIONALE: The chemical name describes the exact molecular structure of
a drug using chemical nomenclature. It is the most precise name but often too complex
for clinical use.
,2. Which of the following is the MOST authoritative legal source for drug
standards in the United States?
A. Physician's Desk Reference (PDR)
B. American Hospital Formulary Service
C. United States Pharmacopeia-National Formulary (USP-NF)
D. Nursing Drug Handbook
E. Package insert
Correct Answer: C. United States Pharmacopeia-National Formulary (USP-
NF)
EXPERT RATIONALE: The USP-NF is the official legal standard for drug purity,
strength, and quality in the United States. Drugs meeting its standards may carry the
"USP" designation.
3. A drug that has been approved by the FDA and is available without a
prescription is classified as which type of drug?
A. Schedule II controlled substance
B. Investigational drug
C. Prescription-only drug
D. Over-the-counter (OTC) drug
E. Controlled substance
Correct Answer: D. Over-the-counter (OTC) drug
EXPERT RATIONALE: OTC drugs are deemed safe enough for consumer use without
a physician's prescription. They are regulated by the FDA but do not require professional
authorization to purchase.
,4. The generic name of a drug is also referred to as its:
A. Trade name
B. Chemical name
C. Brand name
D. Proprietary name
E. Nonproprietary name
Correct Answer: E. Nonproprietary name
EXPERT RATIONALE: The generic (nonproprietary) name is the official name
assigned to a drug that is not owned by any manufacturer. It is universally recognized
and used across the healthcare system.
5. Which federal law was the FIRST to require that drugs be proven safe
before marketing?
A. Harrison Narcotic Act of 1914
B. Food, Drug, and Cosmetic Act of 1938
C. Kefauver-Harris Amendment of 1962
D. Controlled Substances Act of 1970
E. Durham-Humphrey Amendment of 1951
Correct Answer: B. Food, Drug, and Cosmetic Act of 1938
EXPERT RATIONALE: The Food, Drug, and Cosmetic Act of 1938 was passed following
deaths caused by sulfanilamide elixir. It mandated safety testing before marketing drugs
to the public.
6. A nurse is looking up information about a newly approved drug. Which
resource would provide the MOST current and detailed prescribing
information?
, A. Merck Manual
B. Nursing Drug Handbook (previous edition)
C. PDR from five years ago
D. Medical dictionary
E. Manufacturer's package insert
Correct Answer: E. Manufacturer's package insert
EXPERT RATIONALE: The manufacturer's package insert contains the most current,
FDA-approved prescribing information for a drug, including indications, dosing,
contraindications, and adverse effects.
CHAPTER 2: BASIC PRINCIPLES OF DRUG ACTION AND DRUG INTERACTIONS
7. The term "pharmacodynamics" refers to:
A. How a drug is absorbed into the bloodstream
B. How a drug is metabolized by the liver
C. The study of drug excretion pathways
D. The time required for a drug to reach peak concentration
E. The mechanism by which drugs produce their effects in the body
Correct Answer: E. The mechanism by which drugs produce their effects in
the body
EXPERT RATIONALE: Pharmacodynamics is the study of what a drug does to the
body, including its mechanism of action, receptor binding, and the physiological effects it
produces.
8. When two drugs are given together and their combined effect is greater
than the sum of their individual effects, this is called:
