【解答】Decontamination

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問	Effluent decontamination systems are categorized into heat-based and chemical-based systems. Their processing methods can be categorized into batch and continuous processes.
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問	For chemical disinfectants in use, laboratories should refer only to manufacturer's instructions. Efficacy testing is not necessary.
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問	Verification frequency of autoclaves is determined through LRA.
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問	Which of the following statements regarding the decontamination of surfaces is correct?
	Establish SOPs for handling spills of infectious substances in laboratories.
	Spill buckets should always be available in laboratories.
	Training should be carried out regularly.
	Drills should be carried out regularly. All personnel should be familiar with the procedures.
✓	All of the above.
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問	Which of the following statements regarding biological indicators is correct?
	Indicate that the sterilization process is effective.
	Spores of Geobacillus stearothermophilus are commonly used as biological indicators.
	Suitable for both autoclave and hydrogen peroxide sterilization.
	Positive control from same lot number as processed biological indicators must be available for comparison.
✓	All of the above.
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問	Decontamination technologies and processes are to be validated prior to implementation of the procedure to ensure their effectiveness against specific pathogens or toxins being handled. Under which of...(以下略)
	Prior to initial use.
	New pathogens are introduced.
	Significant changes are implemented.
✓	All of the above.
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問	Which of the following options is a process that completely eliminates all living microorganisms, including bacterial spores. The probability of a microorganism surviving a sterilization process is co...(以下略)
✓	Sterilization
	Disinfection
	Decontamination
	None of the above
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問	Which of the following values is the target value for viable spores reduction when performing decontamination?
	8-log10 (99.999999%)
✓	6-log10 (99.9999%)
	4-log10 (99.99%)
	2-log10 (99%)
	None of the above
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問	QACs are effective against vegetative bacteria and enveloped viruses, and available with built-in detergent action.
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問	Disinfectant effectiveness depends on the active ingredients as well as on identity and concentration of other ingredients in the formulation.
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