, NURS 5463 – ADVANCED PHARMACOLOGY
Comprehensive Practice Examination (200 Questions)
With Verified Answers & Detailed Rationales
Instructions: Select the single best answer for each
question. This exam covers pharmacokinetics,
pharmacodynamics, drug interactions, adverse effects, and
clinical prescribing considerations across major drug
classes.
Section 1: Pharmacokinetics & Pharmacodynamics
(Questions 1-20)
1. A patient with hepatic cirrhosis is prescribed a
medication that undergoes extensive first-pass
metabolism. Which pharmacokinetic parameter is most
likely to be significantly altered?
• A) Bioavailability
• B) Volume of distribution
• C) Protein binding
• D) Renal clearance
, Answer: A
Rationale: First-pass metabolism occurs in the liver. In
hepatic cirrhosis, the liver's ability to metabolize drugs is
reduced, leading to increased bioavailability of orally
administered drugs. Volume of distribution is more
affected by body composition and fluid status, while renal
clearance is primarily affected by kidney function.
2. A 75-year-old patient with reduced renal function is
started on digoxin. Which of the following
pharmacokinetic changes in the elderly most directly
contributes to the need for dose adjustment?
• A) Increased gastric pH
• B) Decreased lean body mass
• C) Reduced glomerular filtration rate
• D) Decreased hepatic enzyme activity
Answer: C
Rationale: Digoxin is primarily eliminated renally. Age-
related decline in GFR reduces drug clearance, increasing
the risk of toxicity. While other changes occur with aging,
renal impairment is the primary reason for digoxin dose
reduction in the elderly.
, 3. A medication has a half-life of 24 hours.
Approximately how many days will it take to reach
steady-state concentration?
• A) 1 day
• B) 3 days
• C) 5 days
• D) 7 days
Answer: C
Rationale: Steady-state is reached after approximately 4-5
half-lives. With a 24-hour half-life, this would be 4-5 days
(96-120 hours). The formula is: time to steady-state = 4-5
× half-life.
4. A patient with an infection is receiving a medication
that is 95% protein-bound. Which of the following
conditions would most likely increase the free (active)
drug concentration?
• A) Decreased hepatic blood flow
• B) Malnutrition with hypoalbuminemia
• C) Increased renal clearance
• D) Decreased gastric motility
Answer: B
Rationale: Hypoalbuminemia reduces available protein-
Comprehensive Practice Examination (200 Questions)
With Verified Answers & Detailed Rationales
Instructions: Select the single best answer for each
question. This exam covers pharmacokinetics,
pharmacodynamics, drug interactions, adverse effects, and
clinical prescribing considerations across major drug
classes.
Section 1: Pharmacokinetics & Pharmacodynamics
(Questions 1-20)
1. A patient with hepatic cirrhosis is prescribed a
medication that undergoes extensive first-pass
metabolism. Which pharmacokinetic parameter is most
likely to be significantly altered?
• A) Bioavailability
• B) Volume of distribution
• C) Protein binding
• D) Renal clearance
, Answer: A
Rationale: First-pass metabolism occurs in the liver. In
hepatic cirrhosis, the liver's ability to metabolize drugs is
reduced, leading to increased bioavailability of orally
administered drugs. Volume of distribution is more
affected by body composition and fluid status, while renal
clearance is primarily affected by kidney function.
2. A 75-year-old patient with reduced renal function is
started on digoxin. Which of the following
pharmacokinetic changes in the elderly most directly
contributes to the need for dose adjustment?
• A) Increased gastric pH
• B) Decreased lean body mass
• C) Reduced glomerular filtration rate
• D) Decreased hepatic enzyme activity
Answer: C
Rationale: Digoxin is primarily eliminated renally. Age-
related decline in GFR reduces drug clearance, increasing
the risk of toxicity. While other changes occur with aging,
renal impairment is the primary reason for digoxin dose
reduction in the elderly.
, 3. A medication has a half-life of 24 hours.
Approximately how many days will it take to reach
steady-state concentration?
• A) 1 day
• B) 3 days
• C) 5 days
• D) 7 days
Answer: C
Rationale: Steady-state is reached after approximately 4-5
half-lives. With a 24-hour half-life, this would be 4-5 days
(96-120 hours). The formula is: time to steady-state = 4-5
× half-life.
4. A patient with an infection is receiving a medication
that is 95% protein-bound. Which of the following
conditions would most likely increase the free (active)
drug concentration?
• A) Decreased hepatic blood flow
• B) Malnutrition with hypoalbuminemia
• C) Increased renal clearance
• D) Decreased gastric motility
Answer: B
Rationale: Hypoalbuminemia reduces available protein-
