Page 1 of 177
TEST BANK: LEHNE‘S PHARMACOLOGY
FOR NURSING CARE, 12TH EDITION
COMPLETE COVERAGE: CHAPTERS 1-112
100% VERIFIED QUESTIONS & ANSWERS
WITH RATIONALES
GRADED A+ | LATEST 2026/2027 UPDATE
HIGH-YIELD FOR NCLEX, ATI, HESI, AND
PHARMACOLOGY COURSE EXAMS
QUESTION 1
A nurse explains that pharmacology is best defined
as:
A) The study of drug costs and distribution
B) The study of drugs and their effects on living
organisms
C) The study of disease processes and pathology
, Page 2 of 177
D) The study of nursing interventions and patient
outcomes
CORRECT ANSWER: B
RATIONALE: Pharmacology focuses on how drugs
interact with biological systems, including
mechanisms of action, therapeutic effects, and
adverse reactions. This is the foundational definition
in Lehne‘s Chapter 1 .
QUESTION 2
The nurse is teaching a patient how a medication
works to treat an illness. To do this, the nurse must
rely on knowledge of:
A) Clinical pharmacology
B) Drug efficacy
C) Pharmacokinetics
D) Pharmacotherapeutics
, Page 3 of 177
CORRECT ANSWER: D
RATIONALE: Pharmacotherapeutics is the study of
the use of drugs to diagnose, treat, and prevent
conditions. Clinical pharmacology concerns all
aspects of drug–human interactions. Drug efficacy
measures the extent of intended effect.
Pharmacokinetics studies the impact of the body on
a drug .
QUESTION 3
Which branch of pharmacology studies how drugs
move through the body?
A) Pharmacodynamics
B) Pharmacotherapeutics
C) Pharmacokinetics
D) Toxicology
CORRECT ANSWER: C
, Page 4 of 177
RATIONALE: Pharmacokinetics describes
absorption, distribution, metabolism, and excretion
(ADME) of drugs. Pharmacodynamics studies drug
effects on the body .
QUESTION 4
A drug that produces the maximum possible
response regardless of dose is classified as having
high:
A) Potency
B) Efficacy
C) Bioavailability
D) Affinity
CORRECT ANSWER: B
RATIONALE: Efficacy refers to the maximum
effect a drug can produce. Potency refers to the dose
required to produce a given effect. A drug can have
low potency but high efficacy .
TEST BANK: LEHNE‘S PHARMACOLOGY
FOR NURSING CARE, 12TH EDITION
COMPLETE COVERAGE: CHAPTERS 1-112
100% VERIFIED QUESTIONS & ANSWERS
WITH RATIONALES
GRADED A+ | LATEST 2026/2027 UPDATE
HIGH-YIELD FOR NCLEX, ATI, HESI, AND
PHARMACOLOGY COURSE EXAMS
QUESTION 1
A nurse explains that pharmacology is best defined
as:
A) The study of drug costs and distribution
B) The study of drugs and their effects on living
organisms
C) The study of disease processes and pathology
, Page 2 of 177
D) The study of nursing interventions and patient
outcomes
CORRECT ANSWER: B
RATIONALE: Pharmacology focuses on how drugs
interact with biological systems, including
mechanisms of action, therapeutic effects, and
adverse reactions. This is the foundational definition
in Lehne‘s Chapter 1 .
QUESTION 2
The nurse is teaching a patient how a medication
works to treat an illness. To do this, the nurse must
rely on knowledge of:
A) Clinical pharmacology
B) Drug efficacy
C) Pharmacokinetics
D) Pharmacotherapeutics
, Page 3 of 177
CORRECT ANSWER: D
RATIONALE: Pharmacotherapeutics is the study of
the use of drugs to diagnose, treat, and prevent
conditions. Clinical pharmacology concerns all
aspects of drug–human interactions. Drug efficacy
measures the extent of intended effect.
Pharmacokinetics studies the impact of the body on
a drug .
QUESTION 3
Which branch of pharmacology studies how drugs
move through the body?
A) Pharmacodynamics
B) Pharmacotherapeutics
C) Pharmacokinetics
D) Toxicology
CORRECT ANSWER: C
, Page 4 of 177
RATIONALE: Pharmacokinetics describes
absorption, distribution, metabolism, and excretion
(ADME) of drugs. Pharmacodynamics studies drug
effects on the body .
QUESTION 4
A drug that produces the maximum possible
response regardless of dose is classified as having
high:
A) Potency
B) Efficacy
C) Bioavailability
D) Affinity
CORRECT ANSWER: B
RATIONALE: Efficacy refers to the maximum
effect a drug can produce. Potency refers to the dose
required to produce a given effect. A drug can have
low potency but high efficacy .
