Enzyme level in tissue injury is due to-: (A) Lysis of cells, (B) Enzyme secretion, (C) No inhibitor in serum, (D) All of the above
Answer is A. Ans. is 'a' i.e., Lysis of cells o Leakage of intracellular proteins (enzyme) across the degraded cell membrane into the peripheral circulation provides a means of detecting tissue specific cellular injury and death. o For example, creatinine phosphokinase for cardiac muscle injury and alkaline phosphatase for liver injury.