Correct option is D
Ans. (d)
Sol. Phototherapy is used to treat neonatal jaundice, which is caused by high levels of bilirubin in the blood (hyperbilirubinemia). It helps convert bilirubin into a form that can be excreted.
Explanation of each option:
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(a) Hypoglycemia – Treated with glucose, not phototherapy.
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(b) Necrotizing enterocolitis – A serious intestinal condition; requires different treatment.
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(c) Hemolytic disease – Can lead to jaundice, but phototherapy targets the resulting hyperbilirubinemia.
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(d) Hyperbilirubinemia –
Correct. Main condition treated with phototherapy.