____ is the protocol that functions primarily at the OSI Network Layer to provide addressing and routing.

How should you approach an "emptied" tank?

a. Treat it like a potential flammable or toxic source. b. Feel free to cut into it c. As if no hazard exists. d. With limited PPE or fire suppression available; after all, it's empty.

When coming into contact with patients under airborne precautions, it is necessary to wear:

a. a mask b. gloves c. a gown d. A and B