Q:

A suction pump when used to clear an obstructed airway, expands the volume in its chamber to

waelhammad
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2022-10-18
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A suction pump when used to clear an obstructed airway, expands the volume in its chamber to

  1. produce a negative pressure and obstructing liquid is pushed out by air pressure in the lungs
  2. produce a positive pressure and obstructing liquid is pushed out by air pressure in the lungs
  3. . produce a negative pressure and obstructing liquid is sucked up into the chamber
  4. produce a positive pressure and obstructing liquid is sucked by atmospheric pressure into the chamber
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waelhammad
2022-10-18
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A: A suction pump produces a “negative” pressure (one that is less than atmospheric pressure). Hence air in the lungs will flow out into the suction pump, hopefully pushing the obstructing liquid out too.

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