Pharmacology EXAM 3 questions and ANSWERS
2025-2026 UPDATE
which of the 3 phases of gastric acid secretion is stimulated by the distention of th
stomach?
A. cephalic
B. colonic
C. gastric
D. intestinal
E. activation of the CTZ -✔✔ANS gastric
What is the most common etiology of peptic ulcer disease?
A. alcohol
B. GERD (gastroesophageal reflux disease)
C. NSAIDs (nonsteroidal antiinflammatory drugs)
D. Helicobacter pylori
E. hypersecretory conditions -✔✔ANS D. helicobacter pylori
Which of the following drugs blocks the release of HCl from parietal cells?A. antacids
B. H2 -receptor antagonists
C. proton pump inhibitors
D. sucralfate
E. misoprostil -✔✔ANS C. PPIs
The causes of peptic ulcers include
A. not enough mucosal lining in the stomach
, B. suppressed acid production
C. regurgitation of bile acids into the esophagus
D. being genetically predisposed
E. hypersecretion of mucus in the stomach -✔✔ANS A. not enough lining
The primary therapeutic goal in treatment of peptic ulcer is to
A. increase mucosal production
B. suppress acid production and relieve symptoms
C. prevent erosion of ileum
D. maintain levels of magnesium and calcium with antacids
E. get patient on prostaglandins -✔✔ANS B. suppress acid
Metoclopramide (Reglan) is used to treat which ailments of the GI tract?
A. GI hypermotility
B. irritable bowel syndrome
C. newly diagnosed peptic ulcers
D. neurogenic colon
E. GERD and chemotherapy induced vomiting -✔✔ANS C. peptic ulcers
A patient presents with severe diarrhea. Upon questioning, the patient mentions that h
returned from Thailanda week ago. The patient is diagnosed with "traveler's diarrhea." Th
drug of choice for this patient would include
A. rifaximin (an antibiotic)
B. bulk laxatives
C. lubiprostone (a ClC 2 chloride channel activator)
D. methylnaltrexone
E. polyethylene glycol-electrolyte solution (PEG-ES) -✔✔ANS A. rifaximin
Which of the following treatments for simple diarrhea works by forming a complex with
the irritant?
A. antibiotics
B. opioid derivatives
C. anticholinergics
2025-2026 UPDATE
which of the 3 phases of gastric acid secretion is stimulated by the distention of th
stomach?
A. cephalic
B. colonic
C. gastric
D. intestinal
E. activation of the CTZ -✔✔ANS gastric
What is the most common etiology of peptic ulcer disease?
A. alcohol
B. GERD (gastroesophageal reflux disease)
C. NSAIDs (nonsteroidal antiinflammatory drugs)
D. Helicobacter pylori
E. hypersecretory conditions -✔✔ANS D. helicobacter pylori
Which of the following drugs blocks the release of HCl from parietal cells?A. antacids
B. H2 -receptor antagonists
C. proton pump inhibitors
D. sucralfate
E. misoprostil -✔✔ANS C. PPIs
The causes of peptic ulcers include
A. not enough mucosal lining in the stomach
, B. suppressed acid production
C. regurgitation of bile acids into the esophagus
D. being genetically predisposed
E. hypersecretion of mucus in the stomach -✔✔ANS A. not enough lining
The primary therapeutic goal in treatment of peptic ulcer is to
A. increase mucosal production
B. suppress acid production and relieve symptoms
C. prevent erosion of ileum
D. maintain levels of magnesium and calcium with antacids
E. get patient on prostaglandins -✔✔ANS B. suppress acid
Metoclopramide (Reglan) is used to treat which ailments of the GI tract?
A. GI hypermotility
B. irritable bowel syndrome
C. newly diagnosed peptic ulcers
D. neurogenic colon
E. GERD and chemotherapy induced vomiting -✔✔ANS C. peptic ulcers
A patient presents with severe diarrhea. Upon questioning, the patient mentions that h
returned from Thailanda week ago. The patient is diagnosed with "traveler's diarrhea." Th
drug of choice for this patient would include
A. rifaximin (an antibiotic)
B. bulk laxatives
C. lubiprostone (a ClC 2 chloride channel activator)
D. methylnaltrexone
E. polyethylene glycol-electrolyte solution (PEG-ES) -✔✔ANS A. rifaximin
Which of the following treatments for simple diarrhea works by forming a complex with
the irritant?
A. antibiotics
B. opioid derivatives
C. anticholinergics
