QQuestionBasic Life Support
QuestionBasic Life Support
"Which of the following statements are true about using a bag-valve-mask (BVM) resuscitator? Select three answers.
A. Two rescuers are needed to operate the BVM most effectively when giving ventilations.
B. You'll use your mouth to blow into the BVM to force air into the lungs of the person you are helping.
C. Both rescuers should watch to make sure the BVM makes the person's chest rise.
D. A BVM can be used with or without emergency oxygen.
E. Ventilations should last about 3 seconds and cause the chest to rise fully."
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Answer
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Step 1:Let's solve this multiple-choice problem step by step:
Step 2:: Analyze Statement A
- Two rescuers are needed to operate the BVM most effectively when giving ventilations. - This is TRUE. With two rescuers, one can maintain a proper mask seal while the other squeezes the bag, ensuring more effective ventilation.
Step 3:: Analyze Statement B
- You'll use your mouth to blow into the BVM to force air into the lungs of the person you are helping. - This is FALSE. A BVM is a device that is squeezed by hand to push air into the lungs. You do NOT blow directly into the BVM with your mouth.
Step 4:: Analyze Statement C
- Both rescuers should watch to make sure the BVM makes the person's chest rise. - This is TRUE. Observing chest rise is crucial to confirm that ventilations are effective and air is entering the lungs.
Step 5:: Analyze Statement D
- A BVM can be used with or without emergency oxygen. - This is TRUE. BVMs can be used with room air or connected to an oxygen source, depending on the situation and available equipment.
Step 6:: Analyze Statement E
- Ventilations should last about 3 seconds and cause the chest to rise fully. - This is TRUE. Proper ventilation involves a slow, steady squeeze that causes visible chest rise over about 1 - 2 seconds.
Final Answer
A. Two rescuers are needed to operate the BVM most effectively when giving ventilations. C. Both rescuers should watch to make sure the BVM makes the person's chest rise. D. A BVM can be used with or without emergency oxygen. E. Ventilations should last about 3 seconds and cause the chest to rise fully.
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