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: Pediatrics
Mucoviscidosis is most commonly related to – 
Select and explain. 
A. Fibrocystic disease of pancreas, B. Duodenal atresia, C. Diaphragmatic hernia, D. Annular pancreas
A: Fibrocystic disease of pancreas
Answer: A: Fibrocystic disease of pancreas 
Explanation: None