SterilizationPregunta 53 de 100
Why must instruments with hinges, such as hemostats, be placed in the sterilizer in the open, unlocked position?
a.Steam must contact every surface, and closed box locks and ratchets shield the mating surfaces from the sterilant
b.Closed instruments trap air that lowers the chamber pressure
c.Open instruments dry faster and reduce total cycle time
d.Closed instruments will be damaged by the pressure changes in the chamber
Explicación
Sterilization requires direct sterilant contact with all surfaces, and a closed ratchet creates a shielded metal-to-metal interface that steam cannot reach. Stringers, racks, and instrument pins are used to hold hinged instruments open throughout the cycle. Chamber pressure is controlled by the sterilizer, drying benefit is secondary, and correctly manufactured instruments are not damaged by normal cycle pressure changes.
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