QQuestionBasic Life Support
QuestionBasic Life Support
Which statement about bag-valve-mask (BVM) resuscitators is true?
A. BVMs are readily available at all emergency scenes.
B. Monitoring the victim for full exhalation is not required.
C. Ventilations are more effective when two rescuers operate the BVM.
D. When used by a single rescuer, BVMs allow easy coordination with chest compressions.
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Answer
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Step 1:Let's solve this step by step:
Step 2:: Understand the Bag-Valve-Mask (BVM) Resuscitator
A BVM is a hand-held device commonly used to provide positive pressure ventilation to a patient who is not breathing or not breathing adequately.
Step 3:: Analyze Option A
• BVMs are not always readily available at all emergency scenes • They require specific training and are typically found in medical settings • This statement is FALSE
Step 4:: Analyze Option B
• Monitoring full exhalation is CRITICAL in BVM ventilation • Incomplete exhalation can lead to air trapping and inadequate ventilation • This statement is FALSE
Step 5:: Analyze Option C
• Two-rescuer BVM operation is indeed more effective • One rescuer can create a better mask seal • The second rescuer can squeeze the bag more effectively • This statement is TRUE
Step 6:: Analyze Option D
• Single rescuer BVM use is challenging • Coordinating chest compressions with ventilations is difficult • Proper technique requires significant skill • This statement is FALSE
Final Answer
Ventilations are more effective when two rescuers operate the BVM.
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