This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Disorders of Gastrointestinal System Including Diarrhea, Subject name: Pediatrics
[{'content': 'One of the intestinal enzymes that is generally deficient in children following an attack of severe infectious enteritis is? \nSelect and explain. \nA. Lactase, B. Trypsin, C. Lipase, D. Amylase', 'role': 'user'}, {'content': "Answer: A \nExplanation: Because Lactase activity in mucosa is marginal, it is likely to be depleted secondary to diffuse mucosal disease Causes of Acquired Lactase deficiency Acute Infective enteritis: Viral or Bacterial gastroenteritis Cystic fibrosis Protein energy malnutrition Cow's milk protein intolerance Prolonged use of drugs like Neomycin", 'role': 'assistant'}]