Which of the following is NOT part of the chain of infection?

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Study for the NVQ Level 3 Dental Nursing Exam. Prepare with flashcards and multiple choice questions, each with explanations. Ace your dental nursing exam!

Multiple Choice

Which of the following is NOT part of the chain of infection?

Explanation:
Infection spreads through a sequence: an infectious agent exists, it has a reservoir to survive in, it exits via a portal, it can be transmitted to another host, it enters through a portal, and a susceptible person becomes infected. Sterilization doesn’t describe a stage in that sequence. It’s an infection control action that destroys or removes pathogens on instruments and surfaces, helping to stop the chain before transmission can occur. So sterilization isn’t considered part of the chain itself, but a preventive measure that interrupts it.

Infection spreads through a sequence: an infectious agent exists, it has a reservoir to survive in, it exits via a portal, it can be transmitted to another host, it enters through a portal, and a susceptible person becomes infected. Sterilization doesn’t describe a stage in that sequence. It’s an infection control action that destroys or removes pathogens on instruments and surfaces, helping to stop the chain before transmission can occur. So sterilization isn’t considered part of the chain itself, but a preventive measure that interrupts it.

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