NUR 210 PRINCIPLES OF PHARMACOLOGY
EXAMS 1-4 PRACTICE QUESTION BANK
GALEN COLLEGE OF NURSING | 2026
EDITION
EXAM 1: FOUNDATIONAL CONCEPTS
Units 1-3: Pharmacokinetics, Pharmacodynamics, Nursing
Process
Question 1
Which term describes the study of what the body does to
a drug?
A) Pharmacodynamics
B) Pharmacotherapeutics
C) Pharmacokinetics
D) Pharmacognosy
Correct Answer: C) Pharmacokinetics
Rationale: Pharmacokinetics involves the processes of
absorption, distribution, metabolism, and excretion (ADME)—
,essentially what the body does to the drug.
Pharmacodynamics, in contrast, is what the drug does to the
body .
Question 2
A patient asks the nurse to explain the difference between
pharmacokinetics and pharmacodynamics. Which response is
most accurate?
A) "Pharmacokinetics studies drug interactions;
pharmacodynamics studies side effects."
B) "Pharmacokinetics is what the body does to the drug;
pharmacodynamics is what the drug does to the body."
C) "Pharmacokinetics is the study of drug costs;
pharmacodynamics is the study of drug benefits."
D) "There is no difference; they are interchangeable terms."
Correct Answer: B) "Pharmacokinetics is what the body
does to the drug; pharmacodynamics is what the drug does
to the body."
Rationale: Pharmacokinetics describes drug movement
through the body (absorption, distribution, metabolism,
excretion), while pharmacodynamics describes the drug's
,effects on the body, including receptor binding and mechanism
of action .
Question 3
A drug that binds to a receptor and produces a maximum
biological response is called a(n):
A) Antagonist
B) Partial agonist
C) Agonist
D) Inhibitor
Correct Answer: C) Agonist
Rationale: An agonist binds to a receptor and triggers a
response that mimics the body's own regulatory molecules,
producing the maximum biological effect. An antagonist blocks
the receptor without activating it .
Question 4
The nurse explains that "steady state" for a medication is
usually reached after approximately how many half-lives?
A) One half-life
B) Two half-lives
, C) Four half-lives
D) Six half-lives
Correct Answer: C) Four half-lives
Rationale: Steady state is the point at which drug intake
equals elimination, and it is typically reached after about four
half-lives. At this point, the drug level stabilizes with
consistent therapeutic effects .
Question 5
Which organ is the primary site for drug metabolism?
A) Kidneys
B) Liver
C) Lungs
D) Intestines
Correct Answer: B) Liver
Rationale: The liver is the primary site of drug metabolism
(biotransformation), housing the cytochrome P450 enzyme
system. The kidneys are the primary site of drug excretion .
Question 6
EXAMS 1-4 PRACTICE QUESTION BANK
GALEN COLLEGE OF NURSING | 2026
EDITION
EXAM 1: FOUNDATIONAL CONCEPTS
Units 1-3: Pharmacokinetics, Pharmacodynamics, Nursing
Process
Question 1
Which term describes the study of what the body does to
a drug?
A) Pharmacodynamics
B) Pharmacotherapeutics
C) Pharmacokinetics
D) Pharmacognosy
Correct Answer: C) Pharmacokinetics
Rationale: Pharmacokinetics involves the processes of
absorption, distribution, metabolism, and excretion (ADME)—
,essentially what the body does to the drug.
Pharmacodynamics, in contrast, is what the drug does to the
body .
Question 2
A patient asks the nurse to explain the difference between
pharmacokinetics and pharmacodynamics. Which response is
most accurate?
A) "Pharmacokinetics studies drug interactions;
pharmacodynamics studies side effects."
B) "Pharmacokinetics is what the body does to the drug;
pharmacodynamics is what the drug does to the body."
C) "Pharmacokinetics is the study of drug costs;
pharmacodynamics is the study of drug benefits."
D) "There is no difference; they are interchangeable terms."
Correct Answer: B) "Pharmacokinetics is what the body
does to the drug; pharmacodynamics is what the drug does
to the body."
Rationale: Pharmacokinetics describes drug movement
through the body (absorption, distribution, metabolism,
excretion), while pharmacodynamics describes the drug's
,effects on the body, including receptor binding and mechanism
of action .
Question 3
A drug that binds to a receptor and produces a maximum
biological response is called a(n):
A) Antagonist
B) Partial agonist
C) Agonist
D) Inhibitor
Correct Answer: C) Agonist
Rationale: An agonist binds to a receptor and triggers a
response that mimics the body's own regulatory molecules,
producing the maximum biological effect. An antagonist blocks
the receptor without activating it .
Question 4
The nurse explains that "steady state" for a medication is
usually reached after approximately how many half-lives?
A) One half-life
B) Two half-lives
, C) Four half-lives
D) Six half-lives
Correct Answer: C) Four half-lives
Rationale: Steady state is the point at which drug intake
equals elimination, and it is typically reached after about four
half-lives. At this point, the drug level stabilizes with
consistent therapeutic effects .
Question 5
Which organ is the primary site for drug metabolism?
A) Kidneys
B) Liver
C) Lungs
D) Intestines
Correct Answer: B) Liver
Rationale: The liver is the primary site of drug metabolism
(biotransformation), housing the cytochrome P450 enzyme
system. The kidneys are the primary site of drug excretion .
Question 6
