Which of the following are common complications or characteristics of cystic fibrosis in pediatric patients?(select all that apply)

A. Delayed motor development is not a typical feature of cystic fibrosis, though respiratory and nutritional issues may impact physical development. B. Cystic fibrosis is autosomal recessive, not dominant, meaning both parents must carry the gene for the child to inherit the disease. C. Pancreatic enzyme insufficiency occurs in cystic fibrosis, leading to poor digestion and malabsorption. D. Thick, sticky mucus in the lungs and digestive tract is a hallmark of cystic fibrosis, causing respiratory and gastrointestinal issues. E. Increased risk for lung infections is common due to mucus buildup in the lungs, which provides a breeding ground for bacteria.