What are the typical lab findings that distinguish intra/extravascular hemolysis?
a. Increased lactate dehydrogenase (LDH) and decreased haptoglobin in extravascular hemolysis
b. Reticulocytosis and increased indirect bilirubin in extravascular hemolysis
c. Hemoglobinuria and schistocytes on peripheral smear in intravascular hemolysis
d. Elevated free hemoglobin and hemopexin in intravascular hemolysis