Wilkes NSG 533 Exam 1 Advanced Pharmacology 2026/2027: 250-
Exam Question and Verified Answers
1. What is the standard first-line treatment regimen for Helicobacter pylori
infection in a patient without penicillin allergy and low clarithromycin
resistance?
A. Metronidazole + Tetracycline + Bismuth + PPI
B. Clarithromycin + Amoxicillin or Metronidazole + PPI
C. Clarithromycin + Metronidazole + Bismuth + PPI
D. Amoxicillin + Metronidazole + Tetracycline without PPI
Answer: B. Clarithromycin + Amoxicillin or Metronidazole + PPI
2. Which of the following is the nonbismuth-based quadruple therapy used to
treat H. pylori infection?
A. Amoxicillin + Clarithromycin + Metronidazole + PPI
B. Bismuth + Metronidazole + Tetracycline + PPI
C. Clarithromycin + Metronidazole + Amoxicillin without PPI
D. Amoxicillin + Clarithromycin + Bismuth + PPI
Answer: A. Amoxicillin + Clarithromycin + Metronidazole + PPI
3. A patient with a penicillin allergy requires treatment for H. pylori. Which
regimen is recommended?
,A. Clarithromycin + Amoxicillin + PPI
B. Bismuth subsalicylate + Metronidazole + Tetracycline + PPI
C. Clarithromycin + Metronidazole + Amoxicillin + PPI
D. Metronidazole + Amoxicillin + PPI
Answer: B. Bismuth subsalicylate + Metronidazole + Tetracycline + PPI
4. Which proton pump inhibitor (PPI) is considered the most efficacious for
acid suppression in GERD?
A. Omeprazole only
B. Esomeprazole only
C. All PPIs have similar efficacy when dosed appropriately
D. Pantoprazole only
Answer: C. All PPIs have similar efficacy when dosed appropriately
5. Which of the following lifestyle modifications is NOT recommended for
managing gastroesophageal reflux disease (GERD)?
A. Eating smaller meals
B. Losing weight
C. Smoking cessation
D. Eating large fatty meals before bedtime
Answer: D. Eating large fatty meals before bedtime
,6. Which type of over-the-counter (OTC) medication is best suited for treating
mild diarrhea by absorbing excess stool water?
A. Bulk-forming agents (e.g., psyllium)
B. Antimotility agents (e.g., loperamide)
C. Antisecretory agents (e.g., bismuth subsalicylate)
D. Stimulant laxatives (e.g., bisacodyl)
Answer: A. Bulk-forming agents (e.g., psyllium)
7. Which antibiotic is most commonly associated with the adverse effect of
tendon rupture?
A. Amoxicillin
B. Levofloxacin
C. Clarithromycin
D. Metronidazole
Answer: B. Levofloxacin
8. A patient on warfarin is prescribed metronidazole for a H. pylori infection.
What is the most significant drug interaction to monitor?
A. Decreased warfarin effect
B. Increased risk of bleeding
C. Increased risk of nephrotoxicity
D. Decreased metronidazole absorption
, Answer: B. Increased risk of bleeding
9. Which of the following is a common adverse effect of bismuth
subsalicylate?
A. Black tongue and black stools
B. Orange urine
C. Severe hypertension
D. Hyperkalemia
Answer: A. Black tongue and black stools
10. What is the mechanism of action of proton pump inhibitors (PPIs)?
A. Blocking H2 receptors
B. Irreversibly inhibiting the H+/K+ ATPase pump
C. Neutralizing gastric acid
D. Coating the gastric mucosa
Answer: B. Irreversibly inhibiting the H+/K+ ATPase pump
11. Which medication is a first-line treatment for acute migraine attacks?
A. Propranolol
B. Sumatriptan
C. Amitriptyline
D. Topiramate
Exam Question and Verified Answers
1. What is the standard first-line treatment regimen for Helicobacter pylori
infection in a patient without penicillin allergy and low clarithromycin
resistance?
A. Metronidazole + Tetracycline + Bismuth + PPI
B. Clarithromycin + Amoxicillin or Metronidazole + PPI
C. Clarithromycin + Metronidazole + Bismuth + PPI
D. Amoxicillin + Metronidazole + Tetracycline without PPI
Answer: B. Clarithromycin + Amoxicillin or Metronidazole + PPI
2. Which of the following is the nonbismuth-based quadruple therapy used to
treat H. pylori infection?
A. Amoxicillin + Clarithromycin + Metronidazole + PPI
B. Bismuth + Metronidazole + Tetracycline + PPI
C. Clarithromycin + Metronidazole + Amoxicillin without PPI
D. Amoxicillin + Clarithromycin + Bismuth + PPI
Answer: A. Amoxicillin + Clarithromycin + Metronidazole + PPI
3. A patient with a penicillin allergy requires treatment for H. pylori. Which
regimen is recommended?
,A. Clarithromycin + Amoxicillin + PPI
B. Bismuth subsalicylate + Metronidazole + Tetracycline + PPI
C. Clarithromycin + Metronidazole + Amoxicillin + PPI
D. Metronidazole + Amoxicillin + PPI
Answer: B. Bismuth subsalicylate + Metronidazole + Tetracycline + PPI
4. Which proton pump inhibitor (PPI) is considered the most efficacious for
acid suppression in GERD?
A. Omeprazole only
B. Esomeprazole only
C. All PPIs have similar efficacy when dosed appropriately
D. Pantoprazole only
Answer: C. All PPIs have similar efficacy when dosed appropriately
5. Which of the following lifestyle modifications is NOT recommended for
managing gastroesophageal reflux disease (GERD)?
A. Eating smaller meals
B. Losing weight
C. Smoking cessation
D. Eating large fatty meals before bedtime
Answer: D. Eating large fatty meals before bedtime
,6. Which type of over-the-counter (OTC) medication is best suited for treating
mild diarrhea by absorbing excess stool water?
A. Bulk-forming agents (e.g., psyllium)
B. Antimotility agents (e.g., loperamide)
C. Antisecretory agents (e.g., bismuth subsalicylate)
D. Stimulant laxatives (e.g., bisacodyl)
Answer: A. Bulk-forming agents (e.g., psyllium)
7. Which antibiotic is most commonly associated with the adverse effect of
tendon rupture?
A. Amoxicillin
B. Levofloxacin
C. Clarithromycin
D. Metronidazole
Answer: B. Levofloxacin
8. A patient on warfarin is prescribed metronidazole for a H. pylori infection.
What is the most significant drug interaction to monitor?
A. Decreased warfarin effect
B. Increased risk of bleeding
C. Increased risk of nephrotoxicity
D. Decreased metronidazole absorption
, Answer: B. Increased risk of bleeding
9. Which of the following is a common adverse effect of bismuth
subsalicylate?
A. Black tongue and black stools
B. Orange urine
C. Severe hypertension
D. Hyperkalemia
Answer: A. Black tongue and black stools
10. What is the mechanism of action of proton pump inhibitors (PPIs)?
A. Blocking H2 receptors
B. Irreversibly inhibiting the H+/K+ ATPase pump
C. Neutralizing gastric acid
D. Coating the gastric mucosa
Answer: B. Irreversibly inhibiting the H+/K+ ATPase pump
11. Which medication is a first-line treatment for acute migraine attacks?
A. Propranolol
B. Sumatriptan
C. Amitriptyline
D. Topiramate
