10 nursing rules you’ve never heard of


2. Mercury thermometers aren’t disposable.

It’s not likely you would find mercury thermometers or sphygmomanometers in most hospitals these days (unless you’re looking at a historical display!), but you could come across them while doing home healthcare or if you’re working in an underprivileged part of the country.

Unfortunately, because these devices are made of glass, they can break easily and must be disposed of safely. If you do find a broken mercury thermometer or blood pressure machine, do not throw these items or any loose mercury in the garbage. It’s illegal in the United States to dispose of mercury in the trash or in recycling. It must be brought to a hazardous disposal unit.

Next: Mountain Dew won’t keep you awake in Canada

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