Home ยป A person is undergoing prolonged fasting. His urine will be found to contain abnormal quantities of Excretory System MCQs A person is undergoing prolonged fasting. His urine will be found to contain abnormal quantities of January 24, 2022 4 Views Q. A person is undergoing prolonged fasting. His urine will be found to contain abnormal quantities of A. fats B. amino acids C. glucose D. ketones Answer: ketones