Certified Instrument Specialist (CIS) Practice Exam 2025 - Free CIS Practice Questions and Study Guide

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How does passivation aid in the maintenance of surgical instruments?

By increasing flexibility for easier manipulation

By forming a protective oxide film against corrosion

Passivation plays a crucial role in the maintenance of surgical instruments by forming a protective oxide film on the surface of the metal. This oxide layer significantly enhances the corrosion resistance of the instruments, which is particularly important in a surgical environment where instruments are frequently exposed to moisture and various chemical agents during sterilization processes. The formation of this film helps to prevent rust and oxidation, thereby extending the lifespan of the instruments and ensuring their effectiveness and safety for surgical use.

While flexibility, cutting edge enhancement, and non-stick surfaces are important characteristics for various tools, they do not directly relate to the specific process of passivation and its primary function of corrosion protection.

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By enhancing the cutting edge of the instrument

By creating a non-stick surface for easier cleaning

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