题目：
Which of the following denotes the primary reason that the nurse inserts an indwelling urinary (Foley) catheter in a child with severe burns
A. Monitoring for a urinary tract infection.
B. Measuring urine output accurately.
C. Preventing urinary retention.
D. Assessing urine specific gravity.
答案：
参考答案：B
解析：Accurate determination of urine output is a crucial factor in the care of a burn victim. The benefits of using an indwelling catheter to measure urine output to the nearest milliliter outweigh the risk of infection and other problems associated with use.
