Question

Which of the following items could be sterilized by dry heat sterilization?
A.Intravenous (IV) solution
B. Plastic IV bags
C. Glass pipettes
D. rubber gloves

Answer 1

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Option b plastic iv bags


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Answer 2

Glass pipettes can be sterilized by dry heat sterilization.

• Dry heat sterilization is a method of sterilization used to kill microorganisms including bacteria and viruses by using air at high temperature that is free from water or has very little.
• The apparatus employed for this mechanism is called a Hot Air Oven. It requires a higher temperature and time than an autoclave. Standard temperatures are- 160⁰c for 2 hours, 170⁰c for 1 hour, 190⁰c for 20 minutes and so on.
• Glassware, metals, cellulose and powders are usually sterilized by this method.
• Plastics, rubber and most culture media are sterilized by moist heat sterilization in the presence of water using an Autoclave.