Dialysis Technician Practice Exam

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What is the empty bed contact time of chlorine tanks?

2 minutes per tank
5 minutes per tank
10 minutes per tank
15 minutes per tank

The correct answer is: 5 minutes per tank

The empty bed contact time (EBCT) of chlorine tanks refers to the amount of time that water is in contact with chlorine in the tank to ensure adequate disinfection. A 5-minute contact time is commonly recognized as a standard that balances effective disinfection with operational efficiency. This duration allows the chlorine sufficient time to react with potential pathogens and contaminants in the water, making it an important factor in water treatment practices, specifically in dialysis settings where patient safety is paramount. Maintaining this optimal contact time helps ensure that the water is adequately treated before it is used in dialysis procedures, thus reducing the risk of infections and other health complications that can arise from insufficiently treated water. Other time durations may not be as effective in ensuring comprehensive disinfection, which is why the 5-minute contact time has been established as a critical guideline in practices involving chlorine use.