## **Core Concept**
The question tests knowledge on methods of sterilization for surgical instruments, specifically surgical blades. Sterilization of surgical instruments is crucial to prevent infection and ensure patient safety. Different methods are used based on the type of instrument and its material.

## **Why the Correct Answer is Right**
The correct answer, , involves sterilization by autoclaving or using an autoclave. Autoclaving uses high-pressure steam to achieve sterilization. This method is effective for surgical blades made of materials that can withstand high temperatures and pressures, such as stainless steel. Autoclaving is a widely used method for sterilizing heat-resistant surgical instruments because it effectively kills bacteria, viruses, and spores.

## **Why Each Wrong Option is Incorrect**
- **Option A:** . Dry heat sterilization involves using hot air to sterilize instruments. While effective for some materials, it's not the preferred method for surgical blades that can be damaged by high temperatures or for materials that are sensitive to dry heat.
- **Option B:** . Ethylene oxide gas sterilization is used for heat-sensitive materials. Although it's suitable for some surgical instruments, it's typically used when autoclaving could damage the instrument.
- **Option C:** . Radiation sterilization is often used for disposable medical products and equipment that can't be sterilized by heat. It's not commonly used for surgical blades due to the availability of more straightforward methods like autoclaving.

## **Clinical Pearl / High-Yield Fact**
A key point to remember is that autoclaving is the most common and preferred method for sterilizing surgical blades and other heat-resistant instruments due to its effectiveness and efficiency. However, the choice of sterilization method ultimately depends on the material of the instrument and the specific requirements of the procedure.

## **Correct Answer:** . Autoclaving.