Q.

Regarding red blood cells, all are true EXCEPT:

A. erythropoiesis is stimulated by anaemia and hypoxia
B. after splenectomy, malaria has a higher mortality
C. normal adult haemoglobin is designated α2 β2
D. about 5% of adult haemoglobin is haemoglobin A2 (α2 δ2)
E. G6PD deficiency increases red cell susceptibility to lysis by drugs and infection
Answer» D. about 5% of adult haemoglobin is haemoglobin A2 (α2 δ2)
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