Question 15 of 18

Click on the correct answer to the following question:

While getting ready to dismiss your patient after a long appointment where you had him on nitrous oxide-oxygen analgesia for 45 minutes, he complains of a headache and nausea.

What most likely is the cause of this:

  1. he received the nitrous-oxide-oxygen analgesia for too long a period of time
  2. he did not receive 100% oxygen for a sufficient amount of time after the nitrous oxide was turned off
  3. he received too much 100% oxygen after the nitrous oxide was turned off
  4. it has nothing to do with the administration of nitrous oxide-oxygen