The symbol for gold is Au
Intravenous mixtures are prepared in sterile conditions. They are infusions that are given through injections and syringes. It is important to keep the preparation sterile as it is directly injected to the veins which is a faster way to assimilate to the system. Thereby, proper preparations must be applied. ANswer is D.
In general, for most things, A would be correct (Any time of the day). It kind of depends on what you ar collecting the sample for. I think the earlier the better but it doesnt usually matter.
You should get most of your calories from the grain factor because it's <span>the body's most efficient source of fuel. They are naturally low in fat and many are high in fiber, especially if made from whole grains.</span>