Question: Indicate which of the following is an acquired corpuscular hemolytic anemia: 
 Options:  <1> Paroxysmal nocturnal hemoglobinuria. <2> Deficit of glucose 6 phosphate dehydrogenase. <3> Minkowski-Chauffard disease <4> Sickle-cell anaemia. <5> Pyruvatokinase deficiency.
1