INBDE (Integrated National Board Dental Examination) Practice Exam

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What uses low temperatures and can penetrate materials to sterilize pre-packaged items?

Ethylene oxide
Glutaraldehyde
Formaldehyde
Hydrogen Peroxide

The correct answer is: Ethylene oxide

Ethylene oxide is a type of gas that is widely used for sterilization due to its ability to penetrate materials and its low temperature requirements. It can effectively kill bacteria, fungi, and viruses on pre-packaged items such as medical equipment, surgical instruments, and food products. Other options such as glutaraldehyde, formaldehyde, and hydrogen peroxide also have sterilizing properties, but they may require higher temperatures or may not be as effective in penetrating certain materials. Therefore, A is the best choice for a method that uses low temperatures and can penetrate materials to sterilize pre-packaged items.