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: Physiology
The clinical situations in which intestinal absorption is increased among the following? 
Select and explain. 
A. Wilson disease, B. Pernicious disease, C. Chronic calcific pancreatitis, D. Cystic fibrosis
A: Wilson disease
Answer: A: Wilson disease 
Explanation: Almost all clinical problems are associated with diminished intestinal absorption of one or more dietary nutrients. The only clinical situations in which absorption is increased is Wilson disease, in which absorption of copper is increased. ALSO NOTE: Another example is hemochromatosis in which iron absorption is increased. Ref: Harrison, E-18, P-2460.