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': 'The success of oral rehydration therapy of diarrhea depends upon which of the following processes in the intestinal mucosa ? \nSelect and explain. \nA. Sodium pump mediated Na+ absorption, B. Glucose coupled Na+  absorption, C. Bicarbonate coupled Na+  absorption, D. Passive Na+ diffusion secondary to nutrient absorption', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]