What is the benefit of the circle system?

What is the function of the reservoir bag on the breathing circuit? Select 2  

Which statements are TRUE regarding the oxygen analyzer?

Identify the mechanism which prevents the administration of nitrous oxide if oxygen supply to the gas machine is compromised.

What is the  main concern when using   a closed breathing system on a patient?

Choose the  correct size of the oxygen cylinders mounted on the anesthesia machine.  

Which of the following statements are TRUE about the diameter index safety system (DISS)?

If you accidently put Sevoflurane in an Isoflurane vaporizer, the concentration of Sevoflurane output would be _____________ it would be if you had put the Sevoflurane in the correct vaporizer.

Which of the following are safety  features on the anesthesia gas machine that reduce the chance of delivering a hypoxic mixture? Select 3

Addition of a humidivent tp the anesthesia circuit, may cause which TWO  results?