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methemoglobinemia is due to
Question:
Methemoglobinemia is due to:
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Methemoglobinemia is commonly linked to nitrate-contaminated well water, especially dangerous for infants. - Treatment often involves reducing agents such as methylene blue.
TS EAMCET - 2024
TS EAMCET
Updated On:
Mar 11, 2025
Excess of nitrate concentration in drinking water
Excess of sulphate concentration in drinking water
Excess of fluoride concentration in drinking water
Excess of lead in drinking water
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The Correct Option is
A
Solution and Explanation
Step 1: Definition of Methemoglobinemia
Methemoglobinemia (sometimes called “blue baby syndrome”) arises when hemoglobin is oxidized to methemoglobin, which cannot effectively carry oxygen.
Step 2: Role of Nitrates
High nitrate levels in drinking water, especially in infants, lead to the formation of methemoglobin in the blood.
Sulphates, fluorides, or lead do not typically trigger methemoglobinemia; they cause other disorders.
Hence, excess nitrate in drinking water is the primary cause of methemoglobinemia.
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