, NUR 353 NURsiNg PhaRmacology – academic yeaR
2026/2027 – examiNatioN 3 comPReheNsive QUestioNs ||
JUst Released .
SECTION 1: PHARMACOKINETICS & PHARMACODYNAMICS (Questions 1-20)
Question 1:
Pharmacokinetics involves which four primary processes?
A) Absorption, Distribution, Metabolism, Excretion
B) Absorption, Digestion, Metabolism, Excretion
C) Administration, Distribution, Metabolism, Elimination
D) Absorption, Distribution, Metabolism, Elimination
coRRect aNsweR: A) Absorption, Distribution, Metabolism, Excretion
RatioNale: Pharmacokinetics is the study of drug movement within the body and involves four
key processes: Absorption (entry into bloodstream), Distribution (movement from blood to
tissues), Metabolism (biotransformation, primarily in the liver), and Excretion (removal from the
body, primarily via kidneys).
Question 2:
What is a prodrug?
A) A drug that is active immediately upon administration
B) A biologically inactive compound that is metabolized in the body to produce an active drug
C) A drug that is only active in the gastrointestinal tract
D) A drug that is eliminated unchanged
coRRect aNsweR: B) A biologically inactive compound that is metabolized in the body to
produce an active drug
RatioNale: A prodrug is a biologically inactive compound that must be metabolized in the
body to produce the active therapeutic drug. Prednisone is a classic example; it is metabolized
to its active form, prednisolone, which has anti-inflammatory effects.
Question 3:
First-order (linear) pharmacokinetics means that:
A) A constant amount of drug is eliminated per unit time
B) The metabolism is directly proportional to the free concentration of the drug
,C) Elimination is independent of drug concentration
D) Elimination occurs only in the liver
coRRect aNsweR: B) The metabolism is directly proportional to the free concentration of
the drug
RatioNale: In first-order pharmacokinetics, a constant fraction of the drug is eliminated per
unit time, meaning the rate of metabolism is directly proportional to the free concentration of the
drug. Zero-order kinetics metabolizes a drug at a constant rate per unit time, regardless of
concentration (e.g., ethanol, phenytoin at high doses).
Question 4:
The half-life of a drug determines:
A) How long it takes for the drug to be completely eliminated
B) How frequently the drug must be administered and how long toxic effects can last
C) The drug's bioavailability
D) The drug's mechanism of action
coRRect aNsweR: B) How frequently the drug must be administered and how long toxic
effects can last
RatioNale: The half-life of a drug determines how frequently the drug must be administered
and predicts how long toxic effects can last. It takes approximately 4-5 half-lives for a drug to
be completely eliminated from the body.
Question 5:
The volume of distribution (Vd) of a drug is a measure of:
A) The amount of drug in the plasma
B) The apparent space in the body available to contain the drug
C) The rate of drug elimination
D) The drug's protein binding capacity
coRRect aNsweR: B) The apparent space in the body available to contain the drug
RatioNale: The volume of distribution (Vd) is a theoretical volume that represents the
apparent space in the body available to contain the drug. A high Vd indicates that the drug is
widely distributed into tissues (lipophilic drugs), while a low Vd indicates that the drug remains
primarily in the plasma (hydrophilic drugs).
Question 6:
A drug with high protein binding (e.g., warfarin) has which clinical implication?
A) It has a high volume of distribution
B) It has a narrow therapeutic index
, C) It is more likely to be displaced by other highly protein-bound drugs, leading to toxicity
D) It is rapidly excreted by the kidneys
coRRect aNsweR: C) It is more likely to be displaced by other highly protein-bound
drugs, leading to toxicity
RatioNale: Drugs that are highly protein-bound (e.g., warfarin, phenytoin) can
be displaced by other highly protein-bound drugs, leading to an increase in free drug
concentration and potential toxicity. This is a clinically significant drug interaction.
Question 7:
Zero-order kinetics is characterized by:
A) Elimination of a constant fraction of the drug per unit time
B) Elimination of a constant amount of the drug per unit time, regardless of concentration
C) Metabolism proportional to drug concentration
D) Rapid distribution throughout the body
coRRect aNsweR: B) Elimination of a constant amount of the drug per unit time,
regardless of concentration
RatioNale: Zero-order kinetics occurs when drug elimination is saturable—a
constant amount of drug is eliminated per unit time, regardless of concentration. Examples
include ethanol, phenytoin at high doses, and aspirin at toxic doses.
Question 8:
Which of the following is a true statement regarding CYP3A4 substrate drugs?
A) They have increased activity when used with CYP3A4 inhibitors
B) They may have decreased activity when used with CYP3A4 inducers
C) They are not affected by other drugs
D) They are only metabolized in the kidneys
coRRect aNsweR: B) They may have decreased activity when used with CYP3A4
inducers
RatioNale: CYP3A4 inducers (e.g., rifampin, carbamazepine, St. John's Wort) increase the
metabolism of CYP3A4 substrates, leading to decreased drug activity.
CYP3A4 inhibitors (e.g., ketoconazole, grapefruit juice) decrease metabolism, leading
to increased drug levels and toxicity.
Question 9:
A patient is prescribed a medication that undergoes extensive first-pass metabolism. The nurse
should anticipate that:
2026/2027 – examiNatioN 3 comPReheNsive QUestioNs ||
JUst Released .
SECTION 1: PHARMACOKINETICS & PHARMACODYNAMICS (Questions 1-20)
Question 1:
Pharmacokinetics involves which four primary processes?
A) Absorption, Distribution, Metabolism, Excretion
B) Absorption, Digestion, Metabolism, Excretion
C) Administration, Distribution, Metabolism, Elimination
D) Absorption, Distribution, Metabolism, Elimination
coRRect aNsweR: A) Absorption, Distribution, Metabolism, Excretion
RatioNale: Pharmacokinetics is the study of drug movement within the body and involves four
key processes: Absorption (entry into bloodstream), Distribution (movement from blood to
tissues), Metabolism (biotransformation, primarily in the liver), and Excretion (removal from the
body, primarily via kidneys).
Question 2:
What is a prodrug?
A) A drug that is active immediately upon administration
B) A biologically inactive compound that is metabolized in the body to produce an active drug
C) A drug that is only active in the gastrointestinal tract
D) A drug that is eliminated unchanged
coRRect aNsweR: B) A biologically inactive compound that is metabolized in the body to
produce an active drug
RatioNale: A prodrug is a biologically inactive compound that must be metabolized in the
body to produce the active therapeutic drug. Prednisone is a classic example; it is metabolized
to its active form, prednisolone, which has anti-inflammatory effects.
Question 3:
First-order (linear) pharmacokinetics means that:
A) A constant amount of drug is eliminated per unit time
B) The metabolism is directly proportional to the free concentration of the drug
,C) Elimination is independent of drug concentration
D) Elimination occurs only in the liver
coRRect aNsweR: B) The metabolism is directly proportional to the free concentration of
the drug
RatioNale: In first-order pharmacokinetics, a constant fraction of the drug is eliminated per
unit time, meaning the rate of metabolism is directly proportional to the free concentration of the
drug. Zero-order kinetics metabolizes a drug at a constant rate per unit time, regardless of
concentration (e.g., ethanol, phenytoin at high doses).
Question 4:
The half-life of a drug determines:
A) How long it takes for the drug to be completely eliminated
B) How frequently the drug must be administered and how long toxic effects can last
C) The drug's bioavailability
D) The drug's mechanism of action
coRRect aNsweR: B) How frequently the drug must be administered and how long toxic
effects can last
RatioNale: The half-life of a drug determines how frequently the drug must be administered
and predicts how long toxic effects can last. It takes approximately 4-5 half-lives for a drug to
be completely eliminated from the body.
Question 5:
The volume of distribution (Vd) of a drug is a measure of:
A) The amount of drug in the plasma
B) The apparent space in the body available to contain the drug
C) The rate of drug elimination
D) The drug's protein binding capacity
coRRect aNsweR: B) The apparent space in the body available to contain the drug
RatioNale: The volume of distribution (Vd) is a theoretical volume that represents the
apparent space in the body available to contain the drug. A high Vd indicates that the drug is
widely distributed into tissues (lipophilic drugs), while a low Vd indicates that the drug remains
primarily in the plasma (hydrophilic drugs).
Question 6:
A drug with high protein binding (e.g., warfarin) has which clinical implication?
A) It has a high volume of distribution
B) It has a narrow therapeutic index
, C) It is more likely to be displaced by other highly protein-bound drugs, leading to toxicity
D) It is rapidly excreted by the kidneys
coRRect aNsweR: C) It is more likely to be displaced by other highly protein-bound
drugs, leading to toxicity
RatioNale: Drugs that are highly protein-bound (e.g., warfarin, phenytoin) can
be displaced by other highly protein-bound drugs, leading to an increase in free drug
concentration and potential toxicity. This is a clinically significant drug interaction.
Question 7:
Zero-order kinetics is characterized by:
A) Elimination of a constant fraction of the drug per unit time
B) Elimination of a constant amount of the drug per unit time, regardless of concentration
C) Metabolism proportional to drug concentration
D) Rapid distribution throughout the body
coRRect aNsweR: B) Elimination of a constant amount of the drug per unit time,
regardless of concentration
RatioNale: Zero-order kinetics occurs when drug elimination is saturable—a
constant amount of drug is eliminated per unit time, regardless of concentration. Examples
include ethanol, phenytoin at high doses, and aspirin at toxic doses.
Question 8:
Which of the following is a true statement regarding CYP3A4 substrate drugs?
A) They have increased activity when used with CYP3A4 inhibitors
B) They may have decreased activity when used with CYP3A4 inducers
C) They are not affected by other drugs
D) They are only metabolized in the kidneys
coRRect aNsweR: B) They may have decreased activity when used with CYP3A4
inducers
RatioNale: CYP3A4 inducers (e.g., rifampin, carbamazepine, St. John's Wort) increase the
metabolism of CYP3A4 substrates, leading to decreased drug activity.
CYP3A4 inhibitors (e.g., ketoconazole, grapefruit juice) decrease metabolism, leading
to increased drug levels and toxicity.
Question 9:
A patient is prescribed a medication that undergoes extensive first-pass metabolism. The nurse
should anticipate that:
