This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Pharmacology
NOT RELATED-MEDICINEFalse about The mitochondrial disorders 
Select and explain. 
A. May present at any age and by mode of inheritance, B. Include Pearson's syndrome, C. Features may include retinitis pigmentosa, D. Elevated free-floating blood lactate do not suppo the diagnosis
D: Elevated free-floating blood lactate do not suppo the diagnosis
Answer: D: Elevated free-floating blood lactate do not suppo the diagnosis 
Explanation: Diagnosis is suggested by an elevated free-floating blood lactate in the absence of sepsis, hypoxia, poor tissue perfusion or other metabolic disorder which causes high lactate. Diagnosis is confirmed by enzyme analysis.