<prompt> In Wilson disease, which of the following is seen?Low ceruloplasmin, high urine copperLow ceruloplasmin, low urine copperHigh ceruloplasmin, high urine copperHigh ceruloplasmin, low urine copper  <response>: Investigations in Wilson disease: serum ceruloplasmin - Decreased Urinary copper excretion Normal 40 mgday is increased to 100 mgday Serum free copper level may be elevated in early Wilson disease Hepatic copper content 250mgg of dry liver weight Slit lamp examination: Kayser Fleischer Ring 