All of the following statements are true about theophylline except -: (A) Increase in dose is required in cardiopulmonary disease, (B) Increases cAMP, (C) Increase in dose is required in smokers, (D) Inhibits phosphodiesterase
Answer is A. Ans. is 'a' i.e., Increase in dose is required in Cardiopulmonary disease o Pneumonia and CHF (Cardiopulmonary disease) require dose reduction (not increased dose). o Other options are correct.