This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pharmacology
[{'content': 'Omeprazole effects are due to: March 2013 \nSelect and explain. \nA. Prostaglandin analogue, B. H, antihistamines, C. Proton pump inhibitor, D. Ulcer protective mechanism', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans. C i.e. Proton pump inhibitor Omeprazole It is a proton pump inhibitor used in the treatment of: - Dyspepsia, - Peptic ulcer disease (PUD), - Gastroesophageal reflux disease (GORD/GERD), - Laryngopharyngeal reflux (LPR) and - Zollinger-Ellison syndrome.', 'role': 'assistant'}]