This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Other topics and Adverse effects, Subject name: Anatomy
[{'content': 'Which of the following drugs has maximum chances of absorption from gastric mucosa \nSelect and explain. \nA. Diclofenac sodium, B. Morphine sulfate, C. Hyoscine hydrobromide, D. Quinine dihydrochloride', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ref-Katzung 10/e p7,8 Diclofenac is an acidic drug and is non-ionized in the acidic medium of stomach.therefore,it has the maximum chances of absorption from the stomach.other drugs in the options are basic drugs that are ionized at gastric pH', 'role': 'assistant'}]