question archive The most common early sign of kidney disease is: Sodium retention Elevated BUN level Development of metabolic acidosis Inability to dilute or concentrate urine 2
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The most common early sign of kidney disease is:
Answer:
2 .
Step-by-Step explanation
The most common early sign that clearly indicates the development of kidney disease is elevation in the blood urea nitrogen (BUN) level. The blood urea nitrogen is produced by the liver as a part of the protein catabolism, which reaches the kidneys and is removed by urine if the kidney is healthy. If the kidney is not functioning properly, it leads to elevated levels of BUN.