A patient's BUN/Creatinine ratio is 13:
1. The nurse realizes this patient is
demonstrating which of the following?
1. hypervolemia
2. hypovolemia
3. renal tubule dysfunction
4. decreased glomerular filtration rate
2
Rationale: The normal ration of BUN to creatinine is 10:1. If the ratio is greater than 10:1 and the BUN is elevated, the cause is most likely because of hypovolemia. A BUN/Creatinine ratio of 13:1 does not indicate hypervolemia. If the patient were experiencing renal tubule dysfunction or decreased glomerular filtration rate, the creatinine level would also be increased.
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