Repeated USMLE Questions Step 2 CK (63)




The_Stethoscope,_Peru

A 19-year-old man presents to the clinic with a complaint of tremors and incoordination. Serum transaminases are slightly elevated. Slit lamp examination shows brownish corneal deposits. What is the element directly involved in this condition?

A-Arsenic

B-Lead

C-Copper

D-Iron

E-Zinc




Answer:

This is a presentation of Wilson’s disease in which cellular copper transport is disturbed resulting in copper deposition in tissue. Deposition of copper in the cornea leads to Kayser-Fleischer ring which is described in the scenario.

The correct answer is C




By | 2016-12-10T04:22:32+00:00 September 14th, 2016|USMLE Step 2 CK|0 Comments

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