Alex has a condition where his exocrine system produces a thick mucus that blocks the pancreatic ducts, the bronchi, and intestines. His condition is chronic and progressive. Which of the following disabilities best matches Alex's condition?

The disability that best matches Alex's condition is cystic fibrosis. Cystic fibrosis is a genetic disorder that affects the exocrine glands, causing the production of thick and sticky mucus. This mucus can block the pancreatic ducts, impairing digestion and nutrient absorption, the bronchi, leading to breathing problems and recurring lung infections, and the intestines, causing digestive issues. Cystic fibrosis is a chronic and progressive condition.