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The usual percentage of nitrous oxide used for sedation is:  

All nose pieces, hoses and reservoir bags must be autoclaved after each use.  

Vital signs that should be obtained for a baseline reference prior to administering nitrous oxide does not include which of the following?  

The nitrous oxide tank is colored:   

Delivering one liter/minute of nitrous oxide gas is equivalent to what percentage?        

Why should you NOT purge the contents of the reservoir bag prior to post-    oxygenation?   

The scavenger hook-up:   

All of the following are true of nitrous oxide EXCEPT:  

The stage of sedation desirable for performing dental procedures is known as:  

What is the most critical measure to control in regard to nitrous oxide leakage from the patient?