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: Medicine
Sustained diarrhoea can lead to 
Select and explain. 
A. Metabolic Acidosis, B. Metabolic Alkalosis, C. Respiratory Alkalosis, D. Respiratory Acidosis
A: Metabolic Acidosis
Answer: A: Metabolic Acidosis 
Explanation: None