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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