Question
A person is undergoing prolonged fasting. His urine will be found to contain abnormal quantities of
fats
ketones
amino acids
glucose
Solution
B.
ketones
If a person is undergoing prolonged fasting, his urine will be found to contain abnormal quantities of ketones. During fasting, energy is obtained by the oxidation of reserved fats. As a result of fatty acid oxidation large amount of ketone bodies are produced such as acetoacetate, -hydroxybutyrate and acetone.
