All are advantages of Zinc therapy for Wilson disease except:: (A) It is nontoxic, (B) Produces positive copper balance, (C) Blocks intestinal absorption of copper, (D) Induces hepatic metallothionein synthesis
Answer is B. Zinc treatment in wilson disease: It is efficient in Wilson's disease Nontoxic Produces a negative copper balance by blocking intestinal absorption of copper It induces hepatic metallothionein synthesis, which sequesters additional toxic copper Ref: Harrison, E-18, P-3190.