Multiple Choice
Which of the following is TRUE regarding paroxysmal nocturnal hemoglobinuria (PNH) ?
A) It can be diagnosed by the deficiency of CD55 and CD59 on red blood cells.
B) Red blood cells are deficient in the complement regulatory proteins DAF (decay accelerating factor) and protectin.
C) Symptoms include lysis of red blood cells with hemoglobin appearing in the urine and a tendency to develop blood clots.
D) All of the above.
Correct Answer:

Verified
Correct Answer:
Verified
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