Heinz bodies are composed of what?

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Study for the VTNE Laboratory Procedures Test. Use flashcards and multiple choice questions, each question offers hints and explanations, enabling increased understanding and retention. Prepare effectively for your exam!

Multiple Choice

Heinz bodies are composed of what?

Explanation:
Heinz bodies are small, round inclusions inside red blood cells that result from hemoglobin becoming denatured and precipitating due to oxidative damage. This oxidized, insoluble form of hemoglobin appears as these inclusions when a blood smear is stained (often with supravital stains). That’s why denatured hemoglobin is the correct description. They aren’t normal hemoglobin, and they aren’t fibrin or platelets—the latter two relate to clotting processes, while normal hemoglobin is in its functional, soluble form. Heinz bodies signal oxidative injury to hemoglobin, such as from certain drugs or enzyme deficiencies like G6PD.

Heinz bodies are small, round inclusions inside red blood cells that result from hemoglobin becoming denatured and precipitating due to oxidative damage. This oxidized, insoluble form of hemoglobin appears as these inclusions when a blood smear is stained (often with supravital stains). That’s why denatured hemoglobin is the correct description.

They aren’t normal hemoglobin, and they aren’t fibrin or platelets—the latter two relate to clotting processes, while normal hemoglobin is in its functional, soluble form. Heinz bodies signal oxidative injury to hemoglobin, such as from certain drugs or enzyme deficiencies like G6PD.

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