A person undertaking prolonged fasting has certain abnormal constituents in urine
A
Ketones
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B
Glucose
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C
Amino acids
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D
Fats
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Solution
The correct option is A 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 the reserved fats. As a result of fatty acid oxidation, a large number of ketone bodies are produced such as acetoacetate.