【单选题】【消耗次数：1】
鼻咽导管吸氧的氧浓度的计算方法是（）
①
鼻咽导管吸氧的氧浓度=4+氧流量
②
鼻咽导管吸氧的氧浓度+21+氧流量
③
鼻咽导管吸氧的氧浓度（％）=21+4×氧流量（L／min）
④
鼻咽导管吸氧的氧浓度+氧流量（L／min）
⑤
鼻咽导管吸氧的氧浓度+21+氧流量
参考答案：
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相关题目
【单选题】
肺炎患儿鼻前庭导管给氧，氧流量和氧浓度的选择是（ ）
①
氧流量0.5-1L/min，氧浓度＜40%
②
氧流量2-4L/min，氧浓度＜50%
③
氧流量5-6L/min，氧浓度＜60%
④
氧流量7-8L/min，氧浓度＜70%
【单选题】
根据患儿的病情遵医嘱给予合适的氧疗，持续鼻导管或面罩给氧，鼻导管给氧流量新生儿在（）L/min。
①
0.5～1.5L/min
②
1～2L/min
③
3～4L/min
④
4～5L/min
⑤
5～6L/min
【单选题】
鼻导管给氧法正确的操作是（）
①
给氧前用干棉签清洁病人鼻孔
②
导管插入长度为鼻尖到耳垂的1/2
③
给氧时，调节氧流量后插入鼻导管
④
停止给氧时，应先关氧气开关
⑤
氧气筒入置距暖气应0.5米
随机题目
【单选题】
化工制图中以下哪种铅笔用于加粗描深图线？
①
Normal
0
7.8 磅
0
2
false
false
false
EN-US
ZH-CN
X-NONE
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H
②
Normal
0
7.8 磅
0
2
false
false
false
EN-US
ZH-CN
X-NONE
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HB
③
Normal
0
7.8 磅
0
2
false
false
false
EN-US
ZH-CN
X-NONE
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2H
④
Normal
0
7.8 磅
0
2
false
false
false
EN-US
ZH-CN
X-NONE
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2B
【单选题】
下图中1/4球体俯视图正确的是<img src="https://file.icve.com.cn/ssykt/458/886/729DDB91BAE02987A455898A5C24B400.png"/>
①
<img src="https://file.icve.com.cn/ssykt/28/959/070EFCA41887247CCBA77F12D2235909.png">
②
<img src="https://file.icve.com.cn/ssykt/807/795/C9EC6C112F956260C2CD142C3DE7C054.png">
③
<img src="https://file.icve.com.cn/ssykt/590/288/93B4823E65EB8596CC7ED9DB600108E8.png">
④
<img src="https://file.icve.com.cn/ssykt/61/538/0F58686DF23035C6EBC34B4932843314.png">
【单选题】
已知四点A（10、20、30）、B（30、20、10）、C（10、20、10）、D（20、20、30），则对H面的重影点为______。
①
Normal
0
7.8 磅
0
2
false
false
false
EN-US
ZH-CN
X-NONE
A与D，D点可见
②
Normal
0
7.8 磅
0
2
false
false
false
EN-US
ZH-CN
X-NONE
/* Style Definitions */
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B与C，B点可见
③
Normal
0
7.8 磅
0
2
false
false
false
EN-US
ZH-CN
X-NONE
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A与C，A点可见
④
Normal
0
7.8 磅
0
2
false
false
false
EN-US
ZH-CN
X-NONE
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A与C，C点可见
【单选题】
已知三点A（10、20、15）、B（10、0、30）、C（0、10、0），则在坐标面上的点为______。
①
Normal
0
7.8 磅
0
2
false
false
false
EN-US
ZH-CN
X-NONE
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A、B、C三点
②
Normal
0
7.8 磅
0
2
false
false
false
EN-US
ZH-CN
X-NONE
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B点
③
Normal
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0
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false
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B、C两点
④
Normal
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7.8 磅
0
2
false
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EN-US
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C点
【单选题】
这里是四组视图，哪种判断是正确的？<img src="https://upload.icve.com.cn:89/ssykt/y@3AAF5591DC68284E6E4A443F2B6E0DD2.png/download?time=636534329712073657&token=F8D52AE46C434D73AE926E8518F3F458&filename=%E8%87%AA%E5%8A%A8%E4%B8%8A%E4%BC%A0p5elah6ofilfkbdrcydsgg20180205130930.png"/>
①
（b）、（c）正确
②
（a）、（d）正确
③
（b）正确
④
都正确