Medical technology encompasses healthcare products that diagnose, monitor, or treat diseases. Medical technologists perform complex scientific tests on blood and body fluids to analyze results. The mitochondria in cells convert food into usable energy in the form of ATP through a process similar to combustion. Medical technologists perform various tests involving biological energy production and mitochondria, such as muscle biopsy testing to measure enzyme activities and oxygen consumption, blood tests to check lactate/pyruvate levels and creatine kinase, and genetic tests to identify mitochondrial mutations.