Regan enzyme is an isoenzyme of ?
LDH
Creatinine kinase
Acid phosphatase
Alkaline phosphatase
Ans. is 'd' i.e., Alkaline phosphataseRegan enzyme (isoenzyme) is the isoenzyme of alkaline phosphatase.It arises from placenta know as carcinoplacental enzyme.It is elevated in about 15% fo cases of carcinoma of lung, liver and gut.