Daily Safety Technology Quiz (2016.10.1)
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Multiple-choice question: 1. The three most crucial steps in cardiopulmonary resuscitation are ( ). A. Shout for help loudly B. Open the airway C. Perform artificial respiration D. Give chest compressions 2. There are many types and structural designs of silencers; based on the principles of noise reduction, silencers can be classified as ( ) silencers. A. Resistive type B. Reactive type C. Impedance composite type D. Absorptive type Answer: (BCD), (ABC)
1、BCD 2、ABC
1. The three most critical steps of cardiopulmonary resuscitation are (BCD). A. Shout for help loudly B. Open the airway C. Perform artificial respiration D. Give chest compressions. 2. There are many types and structural designs of silencers; based on the principles of noise reduction, silencers can be classified as (ABC) type silencers. A. Resistive type B. Reactive type C. Impedance composite type D. Absorptive type
1. The three most crucial steps of cardiopulmonary resuscitation are ( ). B. Open airway C. Artificial respiration D. External chest compressions 2. There are many types and structural forms of silencers; based on the principles of noise reduction, silencers can be classified as ( ) silencers. A. Resistive type B. Reactive type C. Impedance composite type
1.BCD 2.ABC
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1、BCD 2、ABC