A man was taking large doses of sulfonamides for a long time. Recently, he has developed significant dyspnea at rest, weakness, loss of appetite, and disturbed sleep. Laboratory blood test detects methemoglobin in his blood. What mechanism of hemoglobin inactivation in erythrocytes is observed in this patient?

Question

Answer

Oxidation of iron in hemoglobin

Answer

Combination of hemoglobin with  sulfonamides

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Damage of protein in hemoglobin

Answer

Blockade of oxidative enzyme systems

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Blockade of reducing enzyme systems

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A man was taking large doses of sulfonamides for a long time. Recently, he has d...

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