<prompt> Answer this question truthfullyWhat is the metabolic disorder that is characterized by the accumulation of 8 to 10-carbon acyl carnitines in the blood, and what enzyme deficiency is associated with this disorder?  <response>: <reason> Medium chain acyl-CoA dehydrogenase MCAD deficiency is the metabolic disorder that is characterized by the accumulation of 8 to 10-carbon acyl carnitines in the blood. 