Which of the following best describes the analyte changes for suspected hemolytic anemia?

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Multiple Choice

Which of the following best describes the analyte changes for suspected hemolytic anemia?

When red blood cells are destroyed in hemolytic anemia, the breakdown of heme increases production of bilirubin, predominantly the unconjugated (indirect) form, so uBIL/iBIL rises. The rapid release of heme also liberates iron into the bloodstream, causing serum iron to increase. Hemolysis releases intracellular enzymes like LDH into plasma, so LDH goes up as a marker of cell lysis. In severe or sustained hemolysis, kidney stress or dehydration from the process can raise urea levels as well. This combination—increased unconjugated bilirubin, higher iron, elevated LDH, and increased urea—fits the expected analytical pattern in suspected hemolytic anemia.

When red blood cells are destroyed in hemolytic anemia, the breakdown of heme increases production of bilirubin, predominantly the unconjugated (indirect) form, so uBIL/iBIL rises. The rapid release of heme also liberates iron into the bloodstream, causing serum iron to increase. Hemolysis releases intracellular enzymes like LDH into plasma, so LDH goes up as a marker of cell lysis. In severe or sustained hemolysis, kidney stress or dehydration from the process can raise urea levels as well. This combination—increased unconjugated bilirubin, higher iron, elevated LDH, and increased urea—fits the expected analytical pattern in suspected hemolytic anemia.

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