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: Pharmacology
Which of the following does not cause an increase in serum amylase? NOT RELATED-MEDICINE 
Select and explain. 
A. Pancreatitis, B. Renal failure, C. Cardiac failure, D. Carcinoma lung
C: Cardiac failure
Answer: C: Cardiac failure 
Explanation: None