NOT RELATED-MEDICINEFalse about The mitochondrial disorders: (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
Answer is D. 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.