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: Surgery
Which of the following is associated with poor prognosis in acute pancreatitis : 
Select and explain. 
A. Hypocalcaemia, B. Hypercalcemia, C. Hypernatremia, D. All
A: Hypocalcaemia
Answer: A: Hypocalcaemia 
Explanation: Ans. is 'a' i.e. hypocalcemia