Kidney function is tested for using blood tests and urine tests. Various rapid diagnostic tests for Chagas disease are available. Some tests involve specimens sent between different labs for uncommon tests. There are no tests or exams for ALPs. Creatinine concentration is checked during standard urine drug tests. EEG is one of the main diagnostic tests for epilepsy. It is determined by collecting data from vast numbers of laboratory tests. These compounds may produce positive results for amphetamine on drug tests. Effectiveness is monitored through periodic blood tests. They proposed several possible direct experimental tests. Results from taste tests have been mixed. Most involve collection of samples, followed by specialized analytical tests. That's only the preliminary flight tests. Depending on the presumed cause blood tests and lumbar puncture may be useful. There are several advantages to multiple choice tests.