This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Respiratory system, Subject name: Pediatrics
[{'content': 'Infant with cystic fibrosis (CF) are likely to develop \nSelect and explain. \nA. Meconium ileus, B. Loose motions, C. Vomiting, D. Constpation', 'role': 'user'}, {'content': 'Answer: A \nExplanation: The common clinical presentations include meconium ileus in neonatal period,recurrent bronchiolitis in infancy and early childhod,recurrent respiratory tract infections ,chronic lung disease , bronchiectasis, steatorrhoea,with incresing age pancreatitis and azoospermia. Ref : Essential pediatrics,O.P.Ghai,7 th edition ,pg no:36', 'role': 'assistant'}]