This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Medicine
Non-absorption of fat-soluble vitamins is due to 
Select and explain. 
A. Steatorrhoea, B. Pancreatic endocrine insufficiency, C. Both, D. None
A: Steatorrhoea
Answer: A: Steatorrhoea 
Explanation: Steatorrhoea is an increase in stool fat excretion of >6% of dietary fat intake seen in malabsorption syndromes.Steatorrhoea may lead to weight loss, it is often associated with fat-soluble vitamin deficiency.Elevated alkaline phosphatase and reduced calcium levels suggest vitamin D deficiency and elevated prothrombin time suggests vitamin K deficiency.The gold standard test for steatorrhoea is quantitative stool fat estimation and the qualitative test is done using Sudan III stain, best used as a preliminary screening test.Chronic pancreatitis causes steatorhoea due to lipase deficiency(exocrine defect).Ref: Harrison's 18th e p2460, 2466