Biochemistry Enzymes 86f53dbf Serum alkaline phosphatase levels increases in: A Hypothyroidism B Carcinoma of prostate C Hyperparathyroidism D Myocardial infarction High-Yield Explanation Ans. C. HyperparathyroidismSerum alkaline phosphatase is increased in hyperparathyroidism, rickets, obstructive jaundice and Paget's disease.