Answer is C (Urinary copper excretion is <100R/day) Urine copper is an impoant diagnostic too. Symptomatic patients invariably have urine copper levels > 100 p (>1.6 umol) per 24 hours. Wilson's disease is an autosomal recessive disorder It is caused by a mutation of a gene on chromosome BQ which promotes Cu excretion (ATP 7B gene) Symptomatic patients with Wilson's disease invariably have urinary copper excretion of >100 lig, per 24 hours (>1.6 innol /24 hr) Zinc is the treatment of choice for maintainance therapy in Wilson's disease Zinc is the treatment of choice in Wilson's disease for A. Initial therapy in patients with hepatitis without decompensation(2 A. Maintainance therapy B. Presymptomatic patient C. Pediatric patients D. Pregnant patients