In the material, increased BUN is linked to which condition?

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Multiple Choice

In the material, increased BUN is linked to which condition?

Explanation:
Elevated BUN reflects how the body handles nitrogen from protein breakdown. When protein catabolism increases, the liver converts ammonia into urea, which shows up as higher BUN in the blood. In starvation, the body turns to proteolysis to provide glucose, releasing amino acids that feed the urea cycle and raise BUN levels. While dehydration and kidney dysfunction can also raise BUN by reducing clearance or concentrating the blood, liver disease often lowers BUN because the liver’s capacity to form urea is impaired. The material highlights starvation as a situation where increased protein breakdown leads to higher BUN.

Elevated BUN reflects how the body handles nitrogen from protein breakdown. When protein catabolism increases, the liver converts ammonia into urea, which shows up as higher BUN in the blood. In starvation, the body turns to proteolysis to provide glucose, releasing amino acids that feed the urea cycle and raise BUN levels. While dehydration and kidney dysfunction can also raise BUN by reducing clearance or concentrating the blood, liver disease often lowers BUN because the liver’s capacity to form urea is impaired. The material highlights starvation as a situation where increased protein breakdown leads to higher BUN.

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