Diffusion is the transfer of oxygen from the __________________

You have arrived on the scene of a chemical leak at an industrial park. The placard has a "1" in the blue diamond and a "4" in the red diamond, which means the material is:

A) flammable but represents a low health hazard. B) explosive with a high health hazard associated. C) a solid that is very flammable. D) a flammable liquid with radioactive properties.

When a patient is on IV therapy and the venipuncture must occur in the arm with the IV line, the:

A) nurse should hold the arm up with the IV line as the phlebotomist performs the venipuncture B) nurse should shut off the IV for 2 minutes prior to the venipuncture C) the tourniquet should be placed above the IV site D) nurse should hold the arm completely down as the phlebotomist performs the venipuncture