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: Pharmacology
Aminophylline inhibits which enzyme ? 
Select and explain. 
A. MAO, B. Alcohol dehydrogenase, C. Phosphodieseterase, D. Cytochrome P450
C: Phosphodieseterase
Answer: C: Phosphodieseterase 
Explanation: Ans. is 'c' i.e., Phosphodiesterase