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.

关于加热炉点燃主火嘴前的准备工作，下列说法不正确的是（）。

A.检查炉膛长明灯燃烧状况

B.检查燃料气分液罐液面情况

C.检查高压分离器液位

D.与内操联系设定燃料气压控阀阀位的输出开度