<prompt> Which enzyme is inhibited by caffeine?Monoamine oxidaseAlcohol dehydrogenasePhosphodiesteraseCytochromo P 450  <response>: Aminophyllinestheophylline, caffeine inhibits the release of ca from sarcoplasmic reticulum and inhibition of phosphodiesterase34 causes increased CAMP and bronchodilation ESSENTIALS OF MEDICAL PHARMACOLOGY SEVENTH EDITION KD TRIPATHI PG NO .225,227 