What solution can be used to disinfect counters and bathrooms?

Prepare for the Infectious Agents and Microbiology Test. Practice with detailed multiple choice questions and explanations. Boost your microbiology knowledge and ace the exam!

A 1:10 solution of chlorine bleach and water is an effective disinfectant for surfaces such as counters and bathrooms. Chlorine bleach, or sodium hypochlorite, is a powerful antimicrobial agent that can eliminate a broad range of pathogens, including bacteria, viruses, and fungi. The 1:10 solution specifically achieves a concentration that effectively kills most infectious agents when applied to hard surfaces, making it particularly useful in areas like kitchens and bathrooms where hygiene is critical.

In contrast, while 70% isopropyl alcohol is also a strong disinfectant, it is more effective against certain bacteria and viruses but may be less effective against some spores compared to chlorine bleach. Hydrogen peroxide has disinfecting properties but is often used at higher concentrations for effectiveness, and commercial cleaning products usually contain stabilizers that can limit its effectiveness when diluted. A vinegar and water mix can have some antimicrobial properties, but its efficacy is significantly lower than that of chlorine bleach for killing many common pathogens, especially in healthcare or high-risk environments. Hence, the use of a 1:10 chlorinated solution is the recommended standard for disinfecting hard surfaces effectively.

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