In hypoxic injury, why does sodium enter the cell and cause swelling?
a. The cell membrane permeability increases for sodium during periods of hypoxia.
b. ATP is insufficient to maintain the pump that keeps sodium out of the cell.
c. The lactic acid produced by the hypoxia binds with sodium in the cell.
d. Sodium cannot be transported to the cell membrane during hypoxia.
Ans: b. ATP is insufficient to maintain the pump that keeps sodium out of the cell.
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