Q:

A pump used to clear an airway of obstructing liquid expands the volume in its chamber to produce a:

waelhammad
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2022-10-19
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A pump used to clear an airway of obstructing liquid expands the volume in its chamber to produce a:

  1. negative pressure and liquid is pushed by atmospheric pressure into the chamber.
  2. positive pressure and liquid is pushed by atmospheric pressure into the chamber.
  3. negative pressure and liquid is sucked up into the chamber.
  4. positive pressure and liquid is sucked by atmospheric pressure into the chamber.
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waelhammad
2022-10-19
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A: Once a negative pressure is established by expanding the volume within the pump, atmospheric pressure acting on the patient’s body will force air in their lungs out through the airway, along with the obstructing liquid. 

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