NAVLE(北美执业兽医考题)Day 661

单选题,正确答案是100分,非正确答案为0分,Good Luck!
Which anesthetic breathing system has the lowest fresh gas flow rate during maintenance of anesthesia?
哪一种呼吸回路在维持麻醉中的新鲜气体流量最小?
A – Nonrebreathing 无复吸回路
B - Partial rebreathing 部分复吸回路
C - Closed system 闭合回路
D - Semi-closed system 部分闭合回路

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