Organisms and pathogens travel quickly on wet surfaces
Sterile water does not have to be refrigerated. However, to remain sterile, it must be kept in a clean, sealed container.
As soon as you open a dry sterile container it is not sterile any more due to stuff falling on it. Studies do show that the longer a sterile field is exposed the higher rate of contamination. There is less contamination with a covered field. Jim RN
Sterile saline, a sterile saline soaked bandage, or a dry sterile bandage. Not recommended for home treatment, but if you must, generous amounts of antibiotic ointment after the wound has been carefully cleaned.
Unopened sterile water can be stored for an indefinite period of time if kept in a cool, dry place away from direct sunlight. Once opened, sterile water should be used or discarded within 24 hours to prevent contamination.
Because they will buckle if they are used dry.
Sodium must be kept under mineral oil to prevent it from reacting with moisture in the air and forming sodium hydroxide. Additionally, it should be stored in a cool, dry place away from sources of heat or ignition.
dry sterile dressing
a dressing is moist at wound site and a dry dressing in covering it
Any wiping cloths that are not dry must be stored in a sanitizer solution at all times.
Instruments typically remain sterile for about 30 days after autoclaving, as long as they are stored properly in a clean and dry environment.
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It is generally hotter over a dry field on a sunny day compared to a wet field. This is because water evaporates from the wet field, which absorbs some of the heat and cools the surroundings. In contrast, a dry field has less moisture to evaporate, leading to higher temperatures.