This Abnormal Hemoglobin Forms When the Iron Is Oxidized to the Ferric

question 4

Multiple Choice

This abnormal hemoglobin forms when the iron is oxidized to the ferric (Fe³⁺) state, and normally, less than 1% of the total circulatory hemoglobin is in this form in the normal individual.

• A) Carboxyhemoglobin
• B) Methemoglobin
• C) Sulfhemoglobin
• D) All of the above
• E) None of the above

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