Bacteria are separated into different Risk Groups (RG1 – RG4). Which of the following statements is correct?

Question

BlackTom AI · Accepted Answer

The question asks about Risk Groups (RG1–RG4) for bacteria and which statement is correct. 
Option 1: 'You can use bacteria from all Risk Groups in Project Lab' This is misleading because high-risk RGs require appropriate containment, facilities, and approvals; not all RGs are suitable for general project labs. It disregards biosafety levels and controlled-use requirements. 
Option 2: 'You can use reusable material for high risk bacteria' Reusing materials when handling high-risk organisms violates biosafety practices unless they’ve been properly sterilized or disposed of; this option encourages unsafe handling. 
Option 3: 'There are no special safety measures when working with RG2 bacteria' In fact, RG2 organisms require standard microbiological practices plus biosafety measures appropriate for RG2; claiming no special measures would be incorrect and dangerous. 
Option 4: 'The higher the number, the more dangerous the microorganism is' This aligns with the established convention: RG1 is least dangerous, RG4 is most dangerous, reflecting increasing containment needs and risk, so this statement correctly captures the general principle of Risk Groups. 
Overall, the first three options misstate safety practices or risk interpretation, while the fourth accurately summarizes how risk levels scale with RG numbers.

Bacteria are separated into different Risk Groups (RG1 – RG4). Which of the following statements is correct?Single choice

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