What are the key safety measures taken in a microbiology lab?

In a microbiology lab, key safety measures are essential to protect both the researchers and the environment from potential pathogens. Using personal protective equipment (PPE) such as lab coats, gloves, and safety goggles is critical, as it helps prevent direct contact with hazardous materials, biological agents, and contamination. Proper disposal of biological waste, such as cultures and materials used in experiments, is equally important to prevent the spread of infectious agents and to comply with safety regulations.

The other choices present practices that are not adequately comprehensive or effective as standalone safety measures. For instance, while using sterile water is important for preventing contamination, it does not encompass the broader spectrum of safety practices necessary in a microbiological setting. Limiting the number of experiments conducted may not address safety concerns effectively; it can lead to insufficient knowledge about how to handle various agents safely. Finally, using unsealed containers for samples poses a significant risk of exposure to airborne contaminants and spillage, which contradicts fundamental safety protocols in laboratory environments. Thus, the comprehensive nature of using PPE and ensuring proper waste disposal are fundamental to safety in microbiology labs.