All tools and implements, except those that have come in contact with blood or body fluids, must be cleaned with soap and water, and disinfected by complete immersion in a(n) ________________ disinfectant.

The correct choice highlights the necessity of using an EPA registered disinfectant that is effective against a broad spectrum of pathogens. In a professional cosmetology setting, maintaining a high standard of sanitation is crucial to prevent the spread of infections and cross-contamination. The mention of a disinfectant being EPA registered ensures that it has been evaluated and meets specific safety and effectiveness criteria for use in a salon environment.

This particular disinfectant must demonstrate efficacy against bacteria, viruses, fungi, and other pathogens, including those causing tuberculosis and pseudomonas infections, which are pertinent concerns in cosmetology. The complete immersion process is essential as it allows for thorough disinfection of tools and implements, promoting safety for both clients and practitioners.

In contrast, while alcohol and household cleaners may have some disinfecting properties, they do not typically meet the rigorous standards required for professional cosmetology tools, particularly concerning broad-spectrum effectiveness. Similarly, a chlorine solution can be useful but may not encompass the full range of efficacy required for all potential pathogens encountered in salon settings. Thus, the correct choice reflects the best practice in adhering to Tennessee cosmetology laws and ensuring client safety.