Fibreoptic scopes are sterilized by
**Fibreoptic scopes Sterilization**
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### Core Concept
Fibreoptic scopes are delicate medical instruments used for various diagnostic and therapeutic procedures, requiring proper sterilization to prevent the transmission of infectious diseases. The sterilization method for fibreoptic scopes must be effective against a broad spectrum of microorganisms, including bacteria, viruses, and fungi.
### Why the Correct Answer is Right
Fibreoptic scopes are typically sterilized using ethylene oxide gas, which is a potent bactericidal and virucidal agent. Ethylene oxide gas penetrates the scope's complex structure, including the delicate fibres, to eliminate microorganisms. This method is effective against a wide range of pathogens, including spores, and is considered the gold standard for sterilizing fibreoptic scopes.
### Why Each Wrong Option is Incorrect
**Option A:** Autoclaving is not suitable for fibreoptic scopes due to the risk of damage to the delicate fibres and the presence of water, which can cause corrosion.
**Option B:** UV light is not a reliable method for sterilizing fibreoptic scopes, as it may not reach all areas of the scope and can be inactivated by surface contaminants.
**Option C:** Glutaraldehyde is a disinfectant, but it is not sufficient for sterilizing fibreoptic scopes, as it may not eliminate all microorganisms, especially spores.
### Clinical Pearl / High-Yield Fact
Remember that fibreoptic scopes require specialized sterilization procedures, and improper sterilization can lead to serious patient infections. Always follow the manufacturer's guidelines and use ethylene oxide gas for effective sterilization.
### Correct Answer: C. Glutaraldehyde