Serum urea nitrogen and serum creatinine determinations are frequently requested together so that their ratio may be evaluated. What is the range of the normal ratio of urea nitrogen to creatinine?
A) 1/1 and 10/1
B) 12/1 and 20/1
C) 15/1 and 20/1
D) 20/1 and 30/1
E) 25/1 and 30/1

Question

Quizplus · Accepted Answer

The normal range for the blood urea nitrogen (BUN) to creatinine ratio is typically between 12:1 and 20:1. This ratio helps in assessing kidney function and differentiating between different types of kidney dysfunction.

Serum Urea Nitrogen and Serum Creatinine Determinations Are Frequently Requested