Answer the following statement(s) true (T) or false (F)

Laboratory findings on a stained blood smear exhibit striking erythrocyte morphologic abnormalities. The MCV is decreased, osmotic fragility is abnormal, and the thermal sensitivity test demonstrates an increase in erythrocyte fragmentation

Autohemolysis in increased and is not corrected with glucose. What disorder is associated with these findings? a. Hereditary pyropoikilocytosis b. Hereditary stomatocytosis c. PNH d. Hereditary spherocytosis

The renal medulla is divided into triangular-shaped areas called renal ________. 

Fill in the blank(s) with the appropriate word(s).