Full 2L QBank
Biochemistry Carbohydrates 7e3b7bd9

A 2-week-old neonate with complete hypotonia, convulsions, failure to thrive and metabolic acidosis. The baby has small of burnt sugar in urine. The test called DNPH test is positive. What is the enzyme deficiency in this metabolic disorder?

A
Isovaleryl CoA dehydrogenase
B
Dihydrolipoamide dehydrogenase
C
Branched chain keto acid dehydrogenase
D
Transacylase
High-Yield Explanation
Ans. C. Branched chain keto acid dehydrogenase-Identifying features are early age of presentation with failure to thrive, convulsion, hypotonia-Smell of burnt sugar or caramel odour-Positive DNPH test

Related Biochemistry MCQs

Practice 2,00,000+ NEET PG Questions Free

Timed mock tests, mistake queue analytics, audio lectures & zero attempt limits on i❤️Exams.

Start Free Mock Test Now