NURSING ANM AND GNM

NURSING EXAM QUESTIONS

MICROBIOLOGY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Gas or steam under pressure can be used to sterilize objects.
A
True
B
False
C
Either A or B
D
None of the above
Explanation: 

Detailed explanation-1: -Steam under pressure, dry heat, EtO gas, hydrogen peroxide gas plasma, and liquid chemicals are the principal sterilizing agents used in health-care facilities.

Detailed explanation-2: -Autoclaves are also known as steam sterilizers, and are typically used for healthcare or industrial applications. An autoclave is a machine that uses steam under pressure to kill harmful bacteria, viruses, fungi, and spores on items that are placed inside a pressure vessel.

Detailed explanation-3: -Steam sterilization uses thermal energy from high-pressure saturated steam to denature DNA and destroy enzymes to kill microbes on the surfaces of devices. A packaged device is placed into a chamber (autoclave) and pressurized steam is introduced at 121°C for a specific amount of time.

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