SOBECC Enfermagem Perioperatória Practice Questions - Título De Especialista Em Enfermagem Perioperatória - Centro Cirúrgico, Recuperação Anestésica E CME (SOBECC COFEN) Exam

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When selecting sterile barrier packaging systems for heavy orthopedic surgical instrument sets undergoing dynamic-air-removal steam sterilization, the CME nurse selects SMS (Spunbond-Meltblown-Spunbond) non-woven material. What is the primary structural role of the middle 'Meltblown' layer in SMS wrappers?

Providing tensile strength and mechanical resistance against puncture from sharp instrument edges. Acting as the micro-fibrous tortuous bacterial barrier that prevents microbial ingress while permitting steam penetration and air evacuation. Absorbing residual condensation moisture to keep the surgical tray wet for lubrication. Generating electrostatic charges that permanently repel steam molecules.

Correct Answer:

Acting as the micro-fibrous tortuous bacterial barrier that prevents microbial ingress while permitting steam penetration and air evacuation.

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