Pathophysiology Quiz
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CARDIOVASCULAR PATHOPHYSIOLOGY
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How does the initial pathophysiology of pulmonary edema in saltwater drowning differ from that in freshwater drowning?
A
Freshwater washes out surfactant more effectively, leading to earlier and more profound alveolar collapse.
B
Freshwater damages the alveolar-capillary membrane more severely, leading to a high-permeability ARDS-like picture.
C
Saltwater is rapidly absorbed into the circulation, leading to immediate hypervolemia and a cardiogenic-type edema.
D
Saltwater, being hypertonic, draws additional fluid from the circulation into the alveoli via an osmotic gradient.
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