Practice Quiz

Veterinary Technician

Category - Anesthesia

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Technician Sally is experiencing anesthesia ventilator malfunction with collapsed bellows. Which of the following would NOT be a cause for collapsed bellows or a leak in the system?
  1. Loss of a seal due to an improperly inflated ET tube cuff
  2. Loss of electricity to the anesthesia ventilator
  3. A closed pop-off valve on the anesthesia machine
  4. Someone turned off the oxygen in the supply room
Explanation
Answer: C - A closed pop-off valve on the anesthesia machine is mandatory during the use of an anesthesia ventilator so that the bellows fill properly. An improperly inflated ET tube cuff, loss of electricity, and the loss of fresh oxygen supply due to turning the tank off or disconnecting the anesthesia machine from the source would all cause the bellows to collapse and malfunction.
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