If intravascular hemolysis is suspected, but hemoglobinemia is not detected visually or spectrophotometrically, the first tests that could be recommended to confirm the suspicion are:
a) serum hemopexin
b) serum transferrin
c) serum haptoglobin
d) all of the above
In hereditary spherocytosis, MCHC levels are:
a) Normal
b) Increased
c) Decreased
d) None of the above
In PNH, RBCs are sensitive to:
a) complement
b) G6PD
c) Porphyrin
d) None of the above