MRCP UK EXAMINATIONS

ABDOMINAL

THALASSEMIA

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
T/F:Sickle cell disease is negative for Dithionate solubility test.
A
False
B
True
C
Either A or B
D
None of the above
Explanation: 

Detailed explanation-1: -The Hemoglobin Solubility Test detects Hb S, which is present in individuals with sickle cell anemia or sickle cell trait. “Solubility” refers to how well a substance dissolves in a liquid. In this case, the substance is the hemoglobin molecule, the major protein in RBCs, and the liquid is blood plasma.

Detailed explanation-2: -1. False positives may occur in patients with erythrocytosis, hyperglobulinaemia, extreme leukocytosis or hyperlipidaemia. Coarse flocculation may occur in these samples due to elevated levels of total serum protein.

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