Answer :
Final answer:
Among the given statements, the correct one is that ventilations are more effective when two rescuers use a BVM. This is because one rescuer can focus on sealing the mask to the victim's face, while the second one can concentrate on squeezing the bag to provide ventilation. Other statements are generally not true.
Explanation:
This is because when two rescuers use the BVM, one can create a seal with the mask on the victim's face, while the other squeezes the bag to provide ventilations. This coordination often leads to more effective ventilations than when a BVM is operated by a solo rescuer. Also, monitoring the full exhalation of the victim is required to ensure the BVM is functioning properly and the victim is receiving the necessary amount of air.
The other statements are generally untrue. BVMs may not be present at all emergency scenes and using a BVM along with chest compressions can be difficult for a single rescuator due to the coordination required between tasks.
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Using the theories of resuscitators, we got that statement about bag-valve-mask (bvm) resuscitators is true is c)Ventilations are more effective when two rescuers operate the BVM.
A two-person technique is the preferred methodology for the BVM ventilations as it provides better seal and the ventilation volume.
· Bag-Valve-Mask (BVM) apparatus are also known as the manual resuscitators and as the self-inflating resuscitation systems examples include Laerdal TM.
The bag valve mask (BVM), sometimes known by the proprietary name Ambu bag or generically as the manual resuscitator or "self-inflating bag", is the hand-held device commonly used to provide positive pressure ventilation to patients who are not breathing or not the breathing adequately.
Hence, the statement about bag-valve-mask (bvm) resuscitators is true is option c) Ventilations are more effective when two rescuers operate the BVM.
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