PNM 300 Final Exam Review| 2026| 2027 LATEST UPDATED EXAM
WITH CORRECT ANSWER💜✔️S
Instructions: Choose the best Answer💜✔️ for each question.
Answer💜✔️s and rationales are provided at the end of each section.
Section 1: Foundational Concepts in Pharmacology (25 Questions)
1. A nurse is explaining pharmacokinetics to a nursing student. Which
statement best describes this process?
a) The study of what the drug does to the body.
b) The mechanism of drug action at a cellular level.
c) The movement of drugs within the body, including absorption,
distribution, metabolism, and excretion.
d) The use of drugs to prevent and treat diseases.
Answer💜✔️: c) The movement of drugs within the body, including
absorption, distribution, metabolism, and excretion.
Rationale: Pharmacokinetics is the process of drug movement to
achieve drug action. The four phases are absorption, distribution,
metabolism (biotransformation), and excretion (elimination) . Option A
describes pharmacodynamics, and option D describes
pharmacotherapeutics.
,2. A patient with liver failure due to cirrhosis will most likely have
difficulty with which phase of pharmacokinetics?
a) Absorption
b) Distribution
c) Metabolism
d) Excretion
Answer💜✔️: c) Metabolism
Rationale: The liver is the primary site for drug metabolism. In liver
failure, the liver's ability to break down drugs is impaired, leading to
drug accumulation and potential toxicity .
3. A medication is administered intravenously. How does this route
affect the bioavailability of the drug?
a) It decreases bioavailability due to the first-pass effect.
b) It increases bioavailability because it completely avoids the first-pass
effect.
c) It has no effect on bioavailability.
d) It slows down the rate of absorption, decreasing bioavailability.
Answer💜✔️: b) It increases bioavailability because it completely
avoids the first-pass effect.
Rationale: The intravenous (IV) route administers the drug directly into
,the systemic circulation, bypassing the liver and the first-pass
metabolism entirely. This results in 100% bioavailability .
4. Which of the following routes of administration avoids the first-
pass effect? (Select all that apply)
a) Oral
b) Sublingual
c) Transdermal
d) Rectal
Answer💜✔️: b) Sublingual and c) Transdermal
Rationale: Sublingual drugs are absorbed directly into the bloodstream
through the oral mucosa. Transdermal drugs are absorbed through the
skin and enter the systemic circulation directly. Both avoid initial
metabolism in the liver. Oral drugs are subject to the first-pass effect,
and while rectal drugs partially avoid it, it is not as complete as the
other routes .
5. A patient is ordered a prodrug. The nurse understands that this
type of drug:
a) Is already in its active form upon administration.
b) Must be metabolized by the liver into its active form before it can
exert its therapeutic effect.
, c) Is excreted unchanged by the kidneys.
d) Has a very long half-life.
Answer💜✔️: b) Must be metabolized by the liver into its active form
before it can exert its therapeutic effect.
Rationale: A prodrug is an inactive substance that is converted to an
active drug within the body by the action of enzymes or other
metabolic processes, usually in the liver .
6. The nurse is reviewing a patient's medication list and notes that
one drug has a narrow therapeutic index. What is the most important
nursing implication for this drug?
a) The drug is safe over a wide range of doses.
b) The patient must be monitored closely for signs of toxicity, as there
is a small margin between therapeutic and toxic doses.
c) The drug must be taken with food to increase its absorption.
d) The drug is unlikely to interact with other medications.
Answer💜✔️: b) The patient must be monitored closely for signs of
toxicity, as there is a small margin between therapeutic and toxic
doses.
Rationale: A drug with a narrow therapeutic index has a small
difference between the minimum effective concentration and the
WITH CORRECT ANSWER💜✔️S
Instructions: Choose the best Answer💜✔️ for each question.
Answer💜✔️s and rationales are provided at the end of each section.
Section 1: Foundational Concepts in Pharmacology (25 Questions)
1. A nurse is explaining pharmacokinetics to a nursing student. Which
statement best describes this process?
a) The study of what the drug does to the body.
b) The mechanism of drug action at a cellular level.
c) The movement of drugs within the body, including absorption,
distribution, metabolism, and excretion.
d) The use of drugs to prevent and treat diseases.
Answer💜✔️: c) The movement of drugs within the body, including
absorption, distribution, metabolism, and excretion.
Rationale: Pharmacokinetics is the process of drug movement to
achieve drug action. The four phases are absorption, distribution,
metabolism (biotransformation), and excretion (elimination) . Option A
describes pharmacodynamics, and option D describes
pharmacotherapeutics.
,2. A patient with liver failure due to cirrhosis will most likely have
difficulty with which phase of pharmacokinetics?
a) Absorption
b) Distribution
c) Metabolism
d) Excretion
Answer💜✔️: c) Metabolism
Rationale: The liver is the primary site for drug metabolism. In liver
failure, the liver's ability to break down drugs is impaired, leading to
drug accumulation and potential toxicity .
3. A medication is administered intravenously. How does this route
affect the bioavailability of the drug?
a) It decreases bioavailability due to the first-pass effect.
b) It increases bioavailability because it completely avoids the first-pass
effect.
c) It has no effect on bioavailability.
d) It slows down the rate of absorption, decreasing bioavailability.
Answer💜✔️: b) It increases bioavailability because it completely
avoids the first-pass effect.
Rationale: The intravenous (IV) route administers the drug directly into
,the systemic circulation, bypassing the liver and the first-pass
metabolism entirely. This results in 100% bioavailability .
4. Which of the following routes of administration avoids the first-
pass effect? (Select all that apply)
a) Oral
b) Sublingual
c) Transdermal
d) Rectal
Answer💜✔️: b) Sublingual and c) Transdermal
Rationale: Sublingual drugs are absorbed directly into the bloodstream
through the oral mucosa. Transdermal drugs are absorbed through the
skin and enter the systemic circulation directly. Both avoid initial
metabolism in the liver. Oral drugs are subject to the first-pass effect,
and while rectal drugs partially avoid it, it is not as complete as the
other routes .
5. A patient is ordered a prodrug. The nurse understands that this
type of drug:
a) Is already in its active form upon administration.
b) Must be metabolized by the liver into its active form before it can
exert its therapeutic effect.
, c) Is excreted unchanged by the kidneys.
d) Has a very long half-life.
Answer💜✔️: b) Must be metabolized by the liver into its active form
before it can exert its therapeutic effect.
Rationale: A prodrug is an inactive substance that is converted to an
active drug within the body by the action of enzymes or other
metabolic processes, usually in the liver .
6. The nurse is reviewing a patient's medication list and notes that
one drug has a narrow therapeutic index. What is the most important
nursing implication for this drug?
a) The drug is safe over a wide range of doses.
b) The patient must be monitored closely for signs of toxicity, as there
is a small margin between therapeutic and toxic doses.
c) The drug must be taken with food to increase its absorption.
d) The drug is unlikely to interact with other medications.
Answer💜✔️: b) The patient must be monitored closely for signs of
toxicity, as there is a small margin between therapeutic and toxic
doses.
Rationale: A drug with a narrow therapeutic index has a small
difference between the minimum effective concentration and the
