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Human Body & Health

Why does severe protein malnutrition lead to ascites, an accumulation of fluid in the peritoneal cavity, within the digestive system?

A)Increased lymph vessel permeability develops
B)Hepatic portal pressure rises sharply
C)Plasma oncotic pressure decreases drastically
D)Renal sodium reabsorption gets inhibited

💡 Explanation

Ascites occurs due to decreased plasma oncotic pressure because a lack of dietary protein reduces albumin synthesis in the liver. Therefore, fluid leaks from capillaries into the peritoneal cavity, rather than being drawn back in as normal due to osmotic pressure.

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