B1型题 诊断下呼吸道感染时,经纤维支气管镜或人工气道吸引采集的下呼吸道分泌无病原菌数需
A ≥10<img border="0" alt="" src="https://tuku.weimei168.com/uploads/upimg/20250328/13376651_0.gif">cfu/ml B
≥10<img border="0" alt="" src="https://tuku.weimei168.com/uploads/upimg/20250328/13376651_0_1.gif">cfu/ml C
≥10<img border="0" alt="" src="https://tuku.weimei168.com/uploads/upimg/20250328/13376651_0_2.gif">cfu/ml D
≥10<img border="0" alt="" src="https://tuku.weimei168.com/uploads/upimg/20250328/13376651_0_3.gif">cfu/ml E
≥10<img border="0" alt="" src="https://tuku.weimei168.com/uploads/upimg/20250328/13376651_0_4.gif">cfu/ml