NUR 6011 Final Exam Actual Exam V3 | NUR 6011 Advance
Pharmacology (NUR6011 Final Exam) | William Paterson University
1. A 68-year-old patient with chronic kidney disease (CKD) Stage 3 is diagnosed with
hypertension. Which medication class is generally considered first-line to provide renal
protection while managing blood pressure?
A. Loop diuretics
B. Angiotensin-converting enzyme (ACE) inhibitors
C. Calcium channel blockers
D. Beta-blockers
Answer: B
Rationale: ACE inhibitors are preferred in patients with CKD because they reduce
intraglomerular pressure by dilating the efferent arteriole. This mechanism helps to slow
the progression of renal damage, especially in patients with proteinuria. However,
clinicians must monitor serum creatinine and potassium levels closely after initiation to
ensure safety.
2. When prescribing Amiodarone for atrial fibrillation, the advanced practice nurse must
monitor which of the following due to its unique pharmacokinetic profile?
A. Pulmonary function tests and thyroid levels
B. Serum calcium and phosphate levels
C. Blood glucose and insulin levels
D. Hemoglobin A1c and lipid profiles
Answer: A
Rationale: Amiodarone has a very long half-life and contains iodine, which can lead to
thyroid dysfunction, including both hypo- and hyperthyroidism. It is also associated with
potentially fatal pulmonary toxicity, requiring baseline and periodic chest X-rays or PFTs.
Consistent monitoring of liver function is also necessary due to the risk of hepatotoxicity.
3. A patient is being started on Warfarin for stroke prevention in atrial fibrillation. Which
cytochrome P450 enzyme is primarily responsible for the metabolism of the more potent S-
enantiomer of Warfarin?
A. CYP3A4
B. CYP2D6
C. CYP1A2
,D. CYP2C9
Answer: D
Rationale: The S-isomer of Warfarin is significantly more potent than the R-isomer and is
primarily metabolized by the CYP2C9 enzyme. Genetic polymorphisms in the CYP2C9 gene
can lead to reduced clearance and an increased risk of bleeding. Clinicians must account for
these variations and potential drug-drug interactions when determining the appropriate
maintenance dose.
4. Which of the following describes the primary mechanism of action of Sodium-glucose
cotransporter 2 (SGLT2) inhibitors in the treatment of Type 2 Diabetes?
A. Stimulating insulin secretion from pancreatic beta cells
B. Reducing glucose reabsorption in the proximal convoluted tubule
C. Increasing glucose uptake in skeletal muscle
D. Inhibiting alpha-glucosidase in the intestinal brush border
Answer: B
Rationale: SGLT2 inhibitors lower blood glucose by preventing the kidneys from
reabsorbing glucose back into the bloodstream, thereby promoting glucosuria. This class of
medication also offers cardiovascular and renal benefits beyond glycemic control. Patients
should be educated on the increased risk of urinary tract infections and mycotic genital
infections due to the high sugar content in urine.
5. An elderly patient is prescribed a medication with a high volume of distribution (Vd). How
does the aging process typically affect the Vd of lipophilic drugs?
A. Vd decreases due to decreased total body water
B. Vd remains unchanged despite physiological shifts
C. Vd increases due to an increase in total body fat percentage
D. Vd decreases because of lower plasma protein binding
Answer: C
Rationale: As patients age, they generally experience an increase in body fat and a
decrease in lean muscle mass and total body water. Lipophilic drugs, such as diazepam, will
have an increased volume of distribution in elderly patients, leading to a prolonged half-
life. This requires careful dose adjustment to prevent toxicity and prolonged sedative
effects.
6. A patient with heart failure with reduced ejection fraction (HFrEF) is switched from
Lisinopril to Sacubitril/Valsartan (Entresto). What is the mandatory washout period required
between these two medications?
A. 36 hours
, B. 24 hours
C. 12 hours
D. 72 hours
Answer: A
Rationale: A washout period of 36 hours is strictly required when switching from an ACE
inhibitor to an ARNI to minimize the risk of angioedema. This is because both ACE and
neprilysin are responsible for the breakdown of bradykinin. Simultaneous inhibition of
these enzymes leads to significantly elevated bradykinin levels, which can trigger life-
threatening swelling.
7. Which statement is true regarding the pharmacodynamics of competitive antagonists?
A. They bind irreversibly to the receptor site
B. They decrease the maximal effect (Emax) of the agonist
C. They shift the agonist dose-response curve to the right
D. They bind to an allosteric site to change receptor conformation
Answer: C
Rationale: Competitive antagonists compete with agonists for the same binding site on the
receptor but do not activate it. The presence of a competitive antagonist requires a higher
concentration of the agonist to achieve the same effect, thus shifting the curve to the right
without changing the maximum response. This effect can be overcome by increasing the
concentration of the agonist.
8. A patient is diagnosed with Clostridioides difficile infection. Which of the following is the
current first-line recommended oral antibiotic treatment according to clinical guidelines?
A. Metronidazole
B. Vancomycin
C. Ciprofloxacin
D. Amoxicillin
Answer: B
Rationale: Oral Vancomycin is considered a first-line therapy for C. difficile because it is
not absorbed systemically and reaches high concentrations within the colon. Metronidazole
is no longer the preferred first-line agent for most cases due to higher failure rates.
Treatment selection depends on the severity of the infection and the patient’s history of
recurrence.
Pharmacology (NUR6011 Final Exam) | William Paterson University
1. A 68-year-old patient with chronic kidney disease (CKD) Stage 3 is diagnosed with
hypertension. Which medication class is generally considered first-line to provide renal
protection while managing blood pressure?
A. Loop diuretics
B. Angiotensin-converting enzyme (ACE) inhibitors
C. Calcium channel blockers
D. Beta-blockers
Answer: B
Rationale: ACE inhibitors are preferred in patients with CKD because they reduce
intraglomerular pressure by dilating the efferent arteriole. This mechanism helps to slow
the progression of renal damage, especially in patients with proteinuria. However,
clinicians must monitor serum creatinine and potassium levels closely after initiation to
ensure safety.
2. When prescribing Amiodarone for atrial fibrillation, the advanced practice nurse must
monitor which of the following due to its unique pharmacokinetic profile?
A. Pulmonary function tests and thyroid levels
B. Serum calcium and phosphate levels
C. Blood glucose and insulin levels
D. Hemoglobin A1c and lipid profiles
Answer: A
Rationale: Amiodarone has a very long half-life and contains iodine, which can lead to
thyroid dysfunction, including both hypo- and hyperthyroidism. It is also associated with
potentially fatal pulmonary toxicity, requiring baseline and periodic chest X-rays or PFTs.
Consistent monitoring of liver function is also necessary due to the risk of hepatotoxicity.
3. A patient is being started on Warfarin for stroke prevention in atrial fibrillation. Which
cytochrome P450 enzyme is primarily responsible for the metabolism of the more potent S-
enantiomer of Warfarin?
A. CYP3A4
B. CYP2D6
C. CYP1A2
,D. CYP2C9
Answer: D
Rationale: The S-isomer of Warfarin is significantly more potent than the R-isomer and is
primarily metabolized by the CYP2C9 enzyme. Genetic polymorphisms in the CYP2C9 gene
can lead to reduced clearance and an increased risk of bleeding. Clinicians must account for
these variations and potential drug-drug interactions when determining the appropriate
maintenance dose.
4. Which of the following describes the primary mechanism of action of Sodium-glucose
cotransporter 2 (SGLT2) inhibitors in the treatment of Type 2 Diabetes?
A. Stimulating insulin secretion from pancreatic beta cells
B. Reducing glucose reabsorption in the proximal convoluted tubule
C. Increasing glucose uptake in skeletal muscle
D. Inhibiting alpha-glucosidase in the intestinal brush border
Answer: B
Rationale: SGLT2 inhibitors lower blood glucose by preventing the kidneys from
reabsorbing glucose back into the bloodstream, thereby promoting glucosuria. This class of
medication also offers cardiovascular and renal benefits beyond glycemic control. Patients
should be educated on the increased risk of urinary tract infections and mycotic genital
infections due to the high sugar content in urine.
5. An elderly patient is prescribed a medication with a high volume of distribution (Vd). How
does the aging process typically affect the Vd of lipophilic drugs?
A. Vd decreases due to decreased total body water
B. Vd remains unchanged despite physiological shifts
C. Vd increases due to an increase in total body fat percentage
D. Vd decreases because of lower plasma protein binding
Answer: C
Rationale: As patients age, they generally experience an increase in body fat and a
decrease in lean muscle mass and total body water. Lipophilic drugs, such as diazepam, will
have an increased volume of distribution in elderly patients, leading to a prolonged half-
life. This requires careful dose adjustment to prevent toxicity and prolonged sedative
effects.
6. A patient with heart failure with reduced ejection fraction (HFrEF) is switched from
Lisinopril to Sacubitril/Valsartan (Entresto). What is the mandatory washout period required
between these two medications?
A. 36 hours
, B. 24 hours
C. 12 hours
D. 72 hours
Answer: A
Rationale: A washout period of 36 hours is strictly required when switching from an ACE
inhibitor to an ARNI to minimize the risk of angioedema. This is because both ACE and
neprilysin are responsible for the breakdown of bradykinin. Simultaneous inhibition of
these enzymes leads to significantly elevated bradykinin levels, which can trigger life-
threatening swelling.
7. Which statement is true regarding the pharmacodynamics of competitive antagonists?
A. They bind irreversibly to the receptor site
B. They decrease the maximal effect (Emax) of the agonist
C. They shift the agonist dose-response curve to the right
D. They bind to an allosteric site to change receptor conformation
Answer: C
Rationale: Competitive antagonists compete with agonists for the same binding site on the
receptor but do not activate it. The presence of a competitive antagonist requires a higher
concentration of the agonist to achieve the same effect, thus shifting the curve to the right
without changing the maximum response. This effect can be overcome by increasing the
concentration of the agonist.
8. A patient is diagnosed with Clostridioides difficile infection. Which of the following is the
current first-line recommended oral antibiotic treatment according to clinical guidelines?
A. Metronidazole
B. Vancomycin
C. Ciprofloxacin
D. Amoxicillin
Answer: B
Rationale: Oral Vancomycin is considered a first-line therapy for C. difficile because it is
not absorbed systemically and reaches high concentrations within the colon. Metronidazole
is no longer the preferred first-line agent for most cases due to higher failure rates.
Treatment selection depends on the severity of the infection and the patient’s history of
recurrence.
