Biosafety Cabinet 實驗室生物安全櫃 解答

Regarding the testing methods for verifying inward directional airflow and barrier integrity, which of the following statements is false?Using smoke tubes for testingUsing visual inspection to check t…(以下略)

• Using smoke tubes for testing
• Using visual inspection to check the floor, walls, ceiling, and their connections
• Testing for leaks at all joints, corners, sealed penetrations, and around door frames, windows, high-pressure sterilizers, and disinfectant containers
• Using incense for testing

For a validated BSC, what information is not included on the external label?

• Date of certification
• The standards or specifications
• Personnel using the BSC
• Date is to be recertified

To prevent airflow from reversing through the HEPA filter of a safety cabinet, the air ducts must have intake backflow protection.

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Which level of BSC is intended to protect personnel and the environment but does not provide pollutant protection for the materials inside the cabinet (e.g., experimental samples, products)?Class I BS…(以下略)

• Class I BSC
• Class II BSC type A
• Class II BSC type B
• Class III BSC

Which type of Class II BSC has 100% exhaust airflow with no internal recirculation?

• A1
• B1
• A2
• B2

Which type of BSC should not be used for handling volatile toxic chemicals and radioactive materials?

• Class I BSC type A1
• Class II BSC type A2
• Class II BSC type B1
• Class II BSC type B2

Which level of pathogens can a Class I BSC handle?

• RG1
• RG2
• RG3
• RG4

Which type of BSC has an exhaust duct that connects to the external atmosphere via a airtight hard duct connection?

• Class I BSC
• Class II BSC type A1
• Class II BSC type B2
• Class II BSC type A2

Which type of BSC allows exhaust air, after HEPA filtration, to be emitted into a containment area?

• Class II BSC type A
• Class II BSC type B1
• Class II BSC type B2
• Class III BSC

When starting up the BSC, to confirm if the airflow is directed inward, you can use tissue paper or water mist at the middle edge of the sash frame to verify inward airflow.

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