The Laboratory Professional Notes About 20% Spherocytes on a Peripheral

question 29

Multiple Choice

The laboratory professional notes about 20% spherocytes on a peripheral blood smear of a 4-year-old boy.An osmotic fragility test is performed.The control shows initial hemolysis at 0.50% NaCl and complete hemolysis at 0.35% NaCl.The patient sample has initial hemolysis 60% NaCl and complete hemolysis at 0.45% NaCl.What does this indicate?

• A)The patient is exhibiting increased osmotic fragility.
• B)The patient has AIHA.
• C)The patient is not exhibiting decreased osmotic fragility.
• D)The control is erroneous,so patient results are invalid.

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