Pharmacology General 7d790509 Which of the following enzyme is inhibited by Aminophylline - A Monoamine oxidase B Alcohol dehydrogenase C Cytochrome P-450 D Phosphodiesterase High-Yield Explanation Ans. is 'd' i.e., Phosphodiesterase Aminophylline or Theophylline inhibits phosphodiesterase, especially phowhodiesterase - 4