Final answer:
The fruity smell of urine may indicate the pathological condition of ketosis, which occurs when the body breaks down fat for energy instead of glucose.
Step-by-step explanation:
The fruity smell of urine may indicate the pathological condition of ketosis. Ketosis occurs when the body breaks down fat for energy instead of glucose, resulting in the production of ketone bodies. Excess ketones can be excreted in urine and give it a fruity odor.