The characteristic "fish-mouth" central pallor seen in overhydrated hereditary stomatocytosis is caused by an excessive influx of what in the RBCs?
A) Potassium
B) Chloride
C) Sodium and water
D) Sodium

Question

Quizplus · Accepted Answer

The characteristic "fish-mouth" central pallor seen in overhydrated hereditary stomatocytosis is caused by an excessive influx of sodium and water into the RBCs. This influx of ions and water leads to swelling of the cells and an altered cell shape, resulting in the characteristic appearance.

The Characteristic "Fish-Mouth" Central Pallor Seen in Overhydrated Hereditary Stomatocytosis