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Choosing to ignore environmental controls is not a routine practice aimed at preventing infection because it directly disregards the established protocols intended to minimize risks associated with infection transmission. Environmental controls, such as maintaining clean spaces, appropriate ventilation, and proper waste disposal, play a significant role in infection prevention strategies. These controls create a safe environment by reducing the potential for pathogens to spread.

In contrast, effective hand hygiene is fundamental in preventing the transmission of infections, as it eliminates or reduces the presence of microorganisms on hands. The use of personal protective equipment (PPE) serves to create a barrier between the healthcare worker and potential infectious agents, further reducing the risk of transmission. Conducting risk assessments allows healthcare providers to identify potential infection sources and implement appropriate measures, which is critical for infection control. Therefore, the choice that does not contribute to infection prevention is the one that involves neglecting environmental controls.