<prompt> NOT RELATED-MEDICINEFalse about The mitochondrial disordersMay present at any age and by mode of inheritanceInclude Pearsons syndromeFeatures may include retinitis pigmentosaElevated free-floating blood lactate do not suppo the diagnosis  <response>: 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. 