______________________ surveillance can be used for example in shelters where there are no medical personnel; people can look out for signs and symptoms (for instance diarrhea) and report them

Which of the following best completes the statement: Undermining __________?

A. is also called tunneling. B. occurs when the tissue under the wound edges becomes eroded. C. is an indicator that the wound is in the maturation and remodeling phase of wound healing. D. all of the above.

The respiratory therapist obtains a SpO2 reading of 90% on a patient receiving oxygen therapy via 50% venti-mask. This would indicate a PO2 value of approximately

A. 55 torr B. 60 torr C. 65 torr D. 70 torr