A patient with type I diabetes mellitus has urine that is cloudy and foul-smelling. Which diagnostic test should the nurse anticipate being prescribed for this patient?
1. urine culture
2. blood urea nitrogen (BUN)
3. creatinine clearance
4. residual urine
Correct Answer: 1
The patient's manifestations indicate a urinary tract infection. A urine culture is conducted to identify the causative organism of a UTI. Blood urea nitrogen (BUN) measures the amount of urea (end product of protein metabolism) in the blood plasma. It does not identify infection. Creatinine clearance is a 24-hour urine test used to identify renal function; it will not identify an infection. Residual urine measures the amount of urine left in the bladder after voiding and does not identify an infection.
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