Answer: A guest with labored breathing and a pulse ox reading of 89%.
Step-by-step explanation:
A non-rebreather mask refers to a device that's used in delivering oxygen therapy. They re used in case of emergency situations to deliver high oxygen concentrations.
We should note that a pulse oximeter readings that range between 94% to 99% shows a normal oxygen saturation, while a reading below 90% indicates low blood oxygen.
Therefore, the guests should be cared for by providing supplemental oxygen using a non-rebreather mask is a guest with labored breathing and a pulse ox reading of 89%.