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': 'Which of the following drugs has maximum chances of absorption from gastric mucosa ? \nSelect and explain. \nA. Morphine sulfate, B. Diclofenac sodium, C. Hyoscine hydrobromide, D. Quinine dihydrochloride', 'role': 'user'}, {'content': 'Answer: B \nExplanation: - Among the given options, only diclofenac sodium is acidic and remains unionized in the acidic medium of the stomach. Other drugs are basic in nature. So diclofenac has higher chances of getting absorbed from gastric mucosa.', 'role': 'assistant'}]