The following enzyme activity is measured in Beriberi:: (A) Decarboxylase, (B) Deaminase, (C) Transketolase, (D) Transaminase
Answer is C. In thiamine deficiency transketolase activity in erythrocytes is decreased. Measures of RBC transketolase is a reliable diagnostic test for thiamine deficiency. Beriberi is caused by thiamine deficiency. Ref: Clinical Laboratory Medicine, 2nd Ed, Page 322