Page 1 of 100
CLAYTON'S BASIC PHARMACOLOGY FOR NURSES, 18TH EDITION 2026
QUESTIONS LATEST EDITION 2026 – 2027 VERSION SOLVED QUESTIONS
& ANSWERS
Clayton's Basic Pharmacology for Nurses, 18th Edition (Willihnganz, Gurevitz, & Clayton
Summarized 10-Point Exam Coverage
Based on the Willihnganz 18th Edition table of contents, this exam covers the following
ten core domains:
1. Foundations of Pharmacology: Drug definitions, standards, information
sources, principles of drug action, and interactions.
2. Drug Action Across the Life Span and Nursing Process: Pediatric, adult, and
older adult considerations; the nursing process in pharmacology.
3. Medication Administration and Safety: Principles of administration,
percutaneous, enteral, and parenteral routes.
4. Drugs Affecting the Autonomic Nervous System: Cholinergic and adrenergic
agonists and antagonists.
5. Drugs Affecting the Central Nervous System: Sleep, neurodegenerative
disorders, anxiety, mood, and psychosis.
6. Drugs Affecting the Cardiovascular and Renal Systems: Heart failure,
dysrhythmias, angina, hypertension, diuretics, and anticoagulants.
7. Drugs Affecting the Endocrine and Metabolic Systems: Diabetes, thyroid,
adrenal, and bone disorders.
8. Drugs Affecting the Respiratory and Gastrointestinal Systems: Asthma,
COPD, PUD, and bowel disorders.
9. Anti-Infective and Immunologic Drugs: Antibiotics, antivirals, antifungals, and
vaccines.
10. Oncologic, Hematologic, and Special Population Drugs: Chemotherapy,
anemia management, women's and men's health.
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Section 1: Foundations of Pharmacology (Questions 1–35)
Chapter 1: Drug Definitions, Standards, and Information Sources (Questions 1–10)
1. A nurse is reviewing a medication order and notes the drug is listed by its chemical
name, which describes its atomic and molecular structure. Which of the following best
describes the purpose of a chemical name for a drug?
A. To provide a convenient name for prescribing and dispensing
B. To precisely describe the drug's chemical composition for scientific purposes
C. To identify the drug's manufacturer and brand
D. To categorize the drug by its therapeutic class
Correct Answer: B
Rationale: The chemical name precisely describes the atomic and molecular structure
of a drug. It is used primarily in scientific contexts, while the generic (nonproprietary)
name is used for official purposes, and the brand (trade) name is used for marketing.
2. A nurse is explaining the difference between a drug's generic name and its brand
name to a patient. Which statement is most accurate?
A. The generic name is protected by patent, while the brand name is not.
B. The generic name is the official name listed in pharmacopeias, while the brand name
is proprietary.
C. The brand name is the same as the chemical name.
D. The generic name is always more expensive than the brand name.
Correct Answer: B
Rationale: The generic (nonproprietary) name is the official name listed in
pharmacopeias such as the USP-NF. The brand (trade) name is proprietary and owned
by a specific manufacturer. Generic drugs are typically less expensive.
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3. Which of the following is the primary purpose of the United States Pharmacopeia-
National Formulary (USP-NF)?
A. To regulate the marketing of pharmaceutical products
B. To set standards for drug purity, strength, quality, and packaging
C. To determine the price of prescription medications
D. To approve new drug applications
Correct Answer: B
Rationale: The USP-NF sets legally recognized standards for drug purity, strength,
quality, packaging, and labeling. The FDA is responsible for approving new drug
applications and regulating marketing.
4. A nurse is looking for comprehensive, evidence-based drug information to guide
clinical decision-making. Which of the following resources is most appropriate?
A. A pharmaceutical sales brochure
B. A peer-reviewed drug reference such as Lexicomp or Micromedex
C. A patient information leaflet from a pharmacy
D. A social media forum for nurses
Correct Answer: B
Rationale: Peer-reviewed drug references such as Lexicomp or Micromedex provide
comprehensive, evidence-based drug information. Sales brochures, patient leaflets,
and social media are not reliable sources for clinical decision-making.
5. Which of the following best describes the concept of a drug's "official name"?
A. The name given by the manufacturer for marketing purposes
B. The name listed in the United States Pharmacopeia-National Formulary
C. The name that describes the drug's chemical structure
D. The name assigned by the FDA during clinical trials
Correct Answer: B
Rationale: The official name is the name listed in the USP-NF. It is usually the generic
name. The brand name is the proprietary name, and the chemical name describes the
structure.
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6. A nurse is reviewing a new medication order and wants to determine if the drug is a
controlled substance. Which of the following schedules indicates a drug with no
currently accepted medical use in the United States?
A. Schedule I
B. Schedule II
C. Schedule III
D. Schedule IV
Correct Answer: A
Rationale: Schedule I drugs have no currently accepted medical use and a high
potential for abuse (e.g., heroin, LSD). Schedules II through V have accepted medical
uses with decreasing abuse potential.
7. Which of the following is a key responsibility of the FDA regarding medications?
A. Setting the price of prescription drugs
B. Approving new drugs for marketing and monitoring their safety after approval
C. Providing direct patient care
D. Conducting clinical trials
Correct Answer: B
Rationale: The FDA is responsible for approving new drugs for marketing and
monitoring their safety after approval (post-marketing surveillance). It does not set drug
prices or provide direct patient care.
8. A nurse is explaining the concept of a "black box warning" to a patient. Which
statement is most accurate?
A. It is a warning that the drug is safe for all patients.
B. It is the strongest safety warning the FDA can require for a medication.
C. It is a warning that the drug is no longer available.
D. It is a warning that the drug is only available by prescription.
Correct Answer: B
Rationale: A black box warning is the strongest safety warning the FDA can require. It
highlights serious or life-threatening risks associated with a medication.
CLAYTON'S BASIC PHARMACOLOGY FOR NURSES, 18TH EDITION 2026
QUESTIONS LATEST EDITION 2026 – 2027 VERSION SOLVED QUESTIONS
& ANSWERS
Clayton's Basic Pharmacology for Nurses, 18th Edition (Willihnganz, Gurevitz, & Clayton
Summarized 10-Point Exam Coverage
Based on the Willihnganz 18th Edition table of contents, this exam covers the following
ten core domains:
1. Foundations of Pharmacology: Drug definitions, standards, information
sources, principles of drug action, and interactions.
2. Drug Action Across the Life Span and Nursing Process: Pediatric, adult, and
older adult considerations; the nursing process in pharmacology.
3. Medication Administration and Safety: Principles of administration,
percutaneous, enteral, and parenteral routes.
4. Drugs Affecting the Autonomic Nervous System: Cholinergic and adrenergic
agonists and antagonists.
5. Drugs Affecting the Central Nervous System: Sleep, neurodegenerative
disorders, anxiety, mood, and psychosis.
6. Drugs Affecting the Cardiovascular and Renal Systems: Heart failure,
dysrhythmias, angina, hypertension, diuretics, and anticoagulants.
7. Drugs Affecting the Endocrine and Metabolic Systems: Diabetes, thyroid,
adrenal, and bone disorders.
8. Drugs Affecting the Respiratory and Gastrointestinal Systems: Asthma,
COPD, PUD, and bowel disorders.
9. Anti-Infective and Immunologic Drugs: Antibiotics, antivirals, antifungals, and
vaccines.
10. Oncologic, Hematologic, and Special Population Drugs: Chemotherapy,
anemia management, women's and men's health.
, Page 2 of 100
Section 1: Foundations of Pharmacology (Questions 1–35)
Chapter 1: Drug Definitions, Standards, and Information Sources (Questions 1–10)
1. A nurse is reviewing a medication order and notes the drug is listed by its chemical
name, which describes its atomic and molecular structure. Which of the following best
describes the purpose of a chemical name for a drug?
A. To provide a convenient name for prescribing and dispensing
B. To precisely describe the drug's chemical composition for scientific purposes
C. To identify the drug's manufacturer and brand
D. To categorize the drug by its therapeutic class
Correct Answer: B
Rationale: The chemical name precisely describes the atomic and molecular structure
of a drug. It is used primarily in scientific contexts, while the generic (nonproprietary)
name is used for official purposes, and the brand (trade) name is used for marketing.
2. A nurse is explaining the difference between a drug's generic name and its brand
name to a patient. Which statement is most accurate?
A. The generic name is protected by patent, while the brand name is not.
B. The generic name is the official name listed in pharmacopeias, while the brand name
is proprietary.
C. The brand name is the same as the chemical name.
D. The generic name is always more expensive than the brand name.
Correct Answer: B
Rationale: The generic (nonproprietary) name is the official name listed in
pharmacopeias such as the USP-NF. The brand (trade) name is proprietary and owned
by a specific manufacturer. Generic drugs are typically less expensive.
, Page 3 of 100
3. Which of the following is the primary purpose of the United States Pharmacopeia-
National Formulary (USP-NF)?
A. To regulate the marketing of pharmaceutical products
B. To set standards for drug purity, strength, quality, and packaging
C. To determine the price of prescription medications
D. To approve new drug applications
Correct Answer: B
Rationale: The USP-NF sets legally recognized standards for drug purity, strength,
quality, packaging, and labeling. The FDA is responsible for approving new drug
applications and regulating marketing.
4. A nurse is looking for comprehensive, evidence-based drug information to guide
clinical decision-making. Which of the following resources is most appropriate?
A. A pharmaceutical sales brochure
B. A peer-reviewed drug reference such as Lexicomp or Micromedex
C. A patient information leaflet from a pharmacy
D. A social media forum for nurses
Correct Answer: B
Rationale: Peer-reviewed drug references such as Lexicomp or Micromedex provide
comprehensive, evidence-based drug information. Sales brochures, patient leaflets,
and social media are not reliable sources for clinical decision-making.
5. Which of the following best describes the concept of a drug's "official name"?
A. The name given by the manufacturer for marketing purposes
B. The name listed in the United States Pharmacopeia-National Formulary
C. The name that describes the drug's chemical structure
D. The name assigned by the FDA during clinical trials
Correct Answer: B
Rationale: The official name is the name listed in the USP-NF. It is usually the generic
name. The brand name is the proprietary name, and the chemical name describes the
structure.
, Page 4 of 100
6. A nurse is reviewing a new medication order and wants to determine if the drug is a
controlled substance. Which of the following schedules indicates a drug with no
currently accepted medical use in the United States?
A. Schedule I
B. Schedule II
C. Schedule III
D. Schedule IV
Correct Answer: A
Rationale: Schedule I drugs have no currently accepted medical use and a high
potential for abuse (e.g., heroin, LSD). Schedules II through V have accepted medical
uses with decreasing abuse potential.
7. Which of the following is a key responsibility of the FDA regarding medications?
A. Setting the price of prescription drugs
B. Approving new drugs for marketing and monitoring their safety after approval
C. Providing direct patient care
D. Conducting clinical trials
Correct Answer: B
Rationale: The FDA is responsible for approving new drugs for marketing and
monitoring their safety after approval (post-marketing surveillance). It does not set drug
prices or provide direct patient care.
8. A nurse is explaining the concept of a "black box warning" to a patient. Which
statement is most accurate?
A. It is a warning that the drug is safe for all patients.
B. It is the strongest safety warning the FDA can require for a medication.
C. It is a warning that the drug is no longer available.
D. It is a warning that the drug is only available by prescription.
Correct Answer: B
Rationale: A black box warning is the strongest safety warning the FDA can require. It
highlights serious or life-threatening risks associated with a medication.
