问题
单项选择题
The client is to receive an IV infusion of 3000 mL of dextrose and normal saline solution over 24 hours. The nurse observes that the rate is 150mL/hour. If the solution runs continuously at this rate, the infusion will be completed in （）.
A．12 hours.
B．20 hours.
C．24 hours.
D．50 hours.
答案
参考答案：B
解析：
The total amount to be given, 3,000mL, divided by the hourly rate, 150mL/hour, equals the length of the infusion or, in this case, 20 hours.