Anaesthesia General 9f1c917d True about nitric oxide A Formed from L-Arginine by NO synthase B Causes vasodilation in all vessels C Used in poal hypeension D All High-Yield Explanation A i.e. Formed from L-arginine by NO Synthetase; B i.e. Causes vasodilation of all vessels; C i.e. Used in poal hypeension