ADVANCED PHARMACOLOGY (NR 565)
COMPREHENSIVE ASSESSMENT
QUESTIONS WITH VERIFIED ANSWERS
1. A patient with chronic kidney disease requires an adjustment in drug dosage. Which
pharmacokinetic parameter is most significantly affected by impaired renal function?
A. Metabolism
B. Absorption
C. Distribution
D. Excretion
Answer: D
Conceptual Explanation: Excretion is the primary pharmacokinetic process affected by
renal impairment, as the kidneys are the main organ responsible for removing drug
metabolites from the body.
2. When prescribing a drug with a narrow therapeutic index, which of the following is the
most important clinical consideration?
A. The drug has a high safety margin.
,B. The drug is rapidly absorbed in the GI tract.
C. Serum drug levels must be monitored closely.
D. The drug is only administered intravenously.
Answer: C
Conceptual Explanation: Drugs with a narrow therapeutic index have a small margin
between effective and toxic doses, requiring frequent therapeutic drug monitoring.
3. Which of the following statements regarding the first-pass effect is correct?
A. It increases the bioavailability of oral medications.
B. It occurs primarily in the kidneys during filtration.
C. It involves the metabolism of a drug by the liver before reaching systemic circulation.
D. It applies only to drugs administered via the parenteral route.
Answer: C
Conceptual Explanation: The first-pass effect describes the rapid hepatic metabolism of
an orally administered drug, reducing its concentration before it reaches the systemic
circulation.
4. A patient is prescribed Warfarin. Which of the following Cytochrome P450 interactions
would likely lead to an increased risk of bleeding?
A. Co-administration with a CYP450 inducer.
B. Co-administration with a CYP450 inhibitor.
, C. Co-administration with a drug that has no effect on CYP450.
D. The presence of genetic polymorphisms that increase enzyme activity.
Answer: B
Conceptual Explanation: Inhibiting CYP450 enzymes reduces the metabolism of Warfarin,
leading to higher serum levels and an increased risk of hemorrhage.
5. According to the Controlled Substances Act, which schedule of drugs has the highest
potential for abuse while still having a currently accepted medical use?
A. Schedule II
B. Schedule I
C. Schedule III
D. Schedule IV
Answer: A
Conceptual Explanation: Schedule II drugs have a high potential for abuse and
physical/psychological dependence but are accepted for medical use, unlike Schedule I
drugs.
6. A patient is diagnosed with hypertension and has a history of Type 2 Diabetes. Which class
of antihypertensives is considered first-line to provide renal protection?
A. Beta-blockers
B. Calcium channel blockers
COMPREHENSIVE ASSESSMENT
QUESTIONS WITH VERIFIED ANSWERS
1. A patient with chronic kidney disease requires an adjustment in drug dosage. Which
pharmacokinetic parameter is most significantly affected by impaired renal function?
A. Metabolism
B. Absorption
C. Distribution
D. Excretion
Answer: D
Conceptual Explanation: Excretion is the primary pharmacokinetic process affected by
renal impairment, as the kidneys are the main organ responsible for removing drug
metabolites from the body.
2. When prescribing a drug with a narrow therapeutic index, which of the following is the
most important clinical consideration?
A. The drug has a high safety margin.
,B. The drug is rapidly absorbed in the GI tract.
C. Serum drug levels must be monitored closely.
D. The drug is only administered intravenously.
Answer: C
Conceptual Explanation: Drugs with a narrow therapeutic index have a small margin
between effective and toxic doses, requiring frequent therapeutic drug monitoring.
3. Which of the following statements regarding the first-pass effect is correct?
A. It increases the bioavailability of oral medications.
B. It occurs primarily in the kidneys during filtration.
C. It involves the metabolism of a drug by the liver before reaching systemic circulation.
D. It applies only to drugs administered via the parenteral route.
Answer: C
Conceptual Explanation: The first-pass effect describes the rapid hepatic metabolism of
an orally administered drug, reducing its concentration before it reaches the systemic
circulation.
4. A patient is prescribed Warfarin. Which of the following Cytochrome P450 interactions
would likely lead to an increased risk of bleeding?
A. Co-administration with a CYP450 inducer.
B. Co-administration with a CYP450 inhibitor.
, C. Co-administration with a drug that has no effect on CYP450.
D. The presence of genetic polymorphisms that increase enzyme activity.
Answer: B
Conceptual Explanation: Inhibiting CYP450 enzymes reduces the metabolism of Warfarin,
leading to higher serum levels and an increased risk of hemorrhage.
5. According to the Controlled Substances Act, which schedule of drugs has the highest
potential for abuse while still having a currently accepted medical use?
A. Schedule II
B. Schedule I
C. Schedule III
D. Schedule IV
Answer: A
Conceptual Explanation: Schedule II drugs have a high potential for abuse and
physical/psychological dependence but are accepted for medical use, unlike Schedule I
drugs.
6. A patient is diagnosed with hypertension and has a history of Type 2 Diabetes. Which class
of antihypertensives is considered first-line to provide renal protection?
A. Beta-blockers
B. Calcium channel blockers
