Operation theatres are sterilized by_____________?
Correct answer: C. Formaldehyde fumigation
- A. Carbolic acid spraying
- B. Washing with soap and water
- C. Formaldehyde fumigation
- D. ETO gas
Explanation
Formaldehyde fumigation is used to disinfect and sterilize enclosed areas such as operation theatres, including surfaces and air. ETO gas is mainly used for heat-sensitive medical instruments rather than whole rooms.
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