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【单选题】
I型呼吸衰竭的血气诊断标准是?
A.
PaO 2 ＜ 45mmHg
B.
PaO 2 ＜ 60mmHg
C.
PaO 2 ＜ 50mmHg
D.
PaO 2 ＜ 40mmHg
E.
PaO 2 ＜ 55mmHg
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参考答案：
举一反三
【单选题】You are attempting to parallel two AC generators, and the synchroscope(同步器) pointer is revolving in the fast direction. This indicates that the frequency of the incoming machine is ______.
A.
higher than the bus frequency
B.
lower than the bus frequency
C.
the same as the bus frequency but out of phase with it
D.
the same as the bus frequency and the circuit breaker may be closed at any pointer position
查看完整题目与答案
【单选题】You should FIRST treat a simple fracture by ().
A.
Attempting to set the fracture
B.
Preventing further movement of the bone
C.
Applying a tourniquet
D.
Alternately applying hot and cold compresses
查看完整题目与答案
【单选题】患者女,70岁。患慢性肺源性心脏病5年。现出现下肢水肿,喘息严重并呈端坐呼吸。为警惕患者发生肺性脑病,护理人员应注意观察
A.
体温
B.
意识状态
C.
饮食情况
D.
皮肤、黏膜
E.
姿势和步态
查看完整题目与答案
【单选题】马某，因腿部烧伤，急诊入院，医嘱破伤风抗毒素注射。破伤风抗毒素试验液浓度应配制为
A.
15IU/ml
B.
50IU/ml
C.
100IU/ml
D.
150IU/ml
E.
500IU/ml
查看完整题目与答案
【单选题】You are attempting to parallel two AC generators and the synchroscope pointer is revolving in the slow direction. This indicates that the frequency of the incoming machine is
A.
higher than the bus frequency
B.
lower than the bus frequency
C.
file same as file bus frequency but out of phase with it
D.
the same as the bus frequency, and the circuit breaker may be closed at nay pointer position
查看完整题目与答案
【简答题】—You need to start exercising again, I guess. —Well, I have been attempting ________ (eat) less recently. But as you know, my mother is such a good cook.
查看完整题目与答案
【单选题】You are attempting to parallel two AC generators, and the syncope pointer is revolving in the fast directionThis indicates that the frequency of the incoming machine is _____.
A.
higher than the bus frequency
B.
lower than the bus frequency
C.
the same as the bus frequency but out of phase with it
D.
the same as the bus frequency and the circuit breaker may be closed at any pointer position
查看完整题目与答案
【单选题】You are attempting to administer CPR to a victim．When you blow into his mouth it is apparent that no air is getting into the lungs．What should you do ________．
A.
Blow harder to force the air past the tongue
B.
Raise the victim's head higher than his feet
C.
Press on the victim's lungs so that air pressure will blow out any obstruction
D.
Re-tip the head and try again
查看完整题目与答案
【单选题】Do you consider _______any good attempting many scientific experiments?
A.
there
B.
it
C.
this
D.
that
查看完整题目与答案
【判断题】纯水加热到 100 °C 时,Kw =5.8 × 10 - 13 ,所以溶液呈酸性。
A.
正确
B.
错误
查看完整题目与答案
相关题目：
【单选题】You are attempting to parallel two AC generators, and the synchroscope(同步器) pointer is revolving in the fast direction. This indicates that the frequency of the incoming machine is ______.
A.
higher than the bus frequency
B.
lower than the bus frequency
C.
the same as the bus frequency but out of phase with it
D.
the same as the bus frequency and the circuit breaker may be closed at any pointer position
查看完整题目与答案
【单选题】You should FIRST treat a simple fracture by ().
A.
Attempting to set the fracture
B.
Preventing further movement of the bone
C.
Applying a tourniquet
D.
Alternately applying hot and cold compresses
查看完整题目与答案
【单选题】患者女,70岁。患慢性肺源性心脏病5年。现出现下肢水肿,喘息严重并呈端坐呼吸。为警惕患者发生肺性脑病,护理人员应注意观察
A.
体温
B.
意识状态
C.
饮食情况
D.
皮肤、黏膜
E.
姿势和步态
查看完整题目与答案
【单选题】马某，因腿部烧伤，急诊入院，医嘱破伤风抗毒素注射。破伤风抗毒素试验液浓度应配制为
A.
15IU/ml
B.
50IU/ml
C.
100IU/ml
D.
150IU/ml
E.
500IU/ml
查看完整题目与答案
【单选题】You are attempting to parallel two AC generators and the synchroscope pointer is revolving in the slow direction. This indicates that the frequency of the incoming machine is
A.
higher than the bus frequency
B.
lower than the bus frequency
C.
file same as file bus frequency but out of phase with it
D.
the same as the bus frequency, and the circuit breaker may be closed at nay pointer position
查看完整题目与答案
【简答题】—You need to start exercising again, I guess. —Well, I have been attempting ________ (eat) less recently. But as you know, my mother is such a good cook.
查看完整题目与答案
【单选题】You are attempting to parallel two AC generators, and the syncope pointer is revolving in the fast directionThis indicates that the frequency of the incoming machine is _____.
A.
higher than the bus frequency
B.
lower than the bus frequency
C.
the same as the bus frequency but out of phase with it
D.
the same as the bus frequency and the circuit breaker may be closed at any pointer position
查看完整题目与答案
【单选题】You are attempting to administer CPR to a victim．When you blow into his mouth it is apparent that no air is getting into the lungs．What should you do ________．
A.
Blow harder to force the air past the tongue
B.
Raise the victim's head higher than his feet
C.
Press on the victim's lungs so that air pressure will blow out any obstruction
D.
Re-tip the head and try again
查看完整题目与答案
【单选题】Do you consider _______any good attempting many scientific experiments?
A.
there
B.
it
C.
this
D.
that
查看完整题目与答案
【判断题】纯水加热到 100 °C 时,Kw =5.8 × 10 - 13 ,所以溶液呈酸性。
A.
正确
B.
错误
查看完整题目与答案
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