If hyperkalemia is suspected and serum potassium levels are being drawn in the field for later laboratory testing, then a tourniquet should be used.

Commercially prepared radiator fluid contains a significant amount of which of the following compounds?

A. Methanol B. Isopropanol C. Glycolic acid D. Ethylene glycol

The exact point on the anode where the x-ray beam emanates is the

a. focusing cup. b. focal spot. c. stator. d. rotor.