Question

Which of these methods cause sterilization?

	Autoclaving	Dry heat	Gamma irradiation	Ethylene oxide
A.	Yes	No	Yes	No
B.	No	No	Yes	No
C.	No	Yes	No	Yes
D.	Yes	Yes	Yes	Yes

Answer 1

The Correct option is D. All these methods cause sterilization.

An autoclave is a pressure chamber used to carry out industrial and scientific processes requiring elevated temperature and pressure in relation to ambient. Autoclaves are used in medical applications to perform sterilization.

Dry heat is the process of killing bacterial spores and microorganisms using a high temperature. This type of sterilization method is used on items that cannot get wet such as powders, oils, and the likes.

The gamma sterilization process uses Cobalt 60 radiation to kill microorganisms on a variety of different products.

Ethylene Oxide (EtO) is a common gas used for low-temperature sterilization. It is a colorless, poisonous gas that attacks the cellular proteins and nucleic acids of microorganisms.