This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Biochemistry
Congenital lactic acidosis may occur d/t defect in 
Select and explain. 
A. Pvruvate decarboxylase, B. PDH complex, C. Transketolase, D. a-ketoglutarate dehydrogenase
B: PDH complex
Answer: B: PDH complex 
Explanation: B i.e. PDH complex