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Polyphagia, one of the symptoms of diabetes mellitus, refers to:
AExcessive thirst
BExcessive hunger
CExcessive urine output
DGlucose in the urine
Answer & Solution
Correct answer: B. Excessive hunger
1. Diabetes symptoms include several 'poly-' terms.
2. Polyphagia means excess hunger, arising from loss of glucose in urine.
3. Excessive thirst is polydipsia, excess urine is polyuria, and glucose in urine is glycosuria, so A, C and D are the wrong terms.
4. Hence the answer is B.
_Source: Samacheer Kalvi (TN SCERT) Class 10 Science, Unit "Health and Diseases", p.313_
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