New York Tattoo License Practice Test

What is a key characteristic of high-level disinfectants?

1. Must be used on non-critical items

2. Non-toxic and does not irritate skin

3. Effective against all pathogens but spores

4. Can be used directly on critical items without risk

The correct answer is: Effective against all pathogens but spores

High-level disinfectants are specifically designed to eliminate a wide range of microorganisms, including bacteria, viruses, and fungi, making them effective against nearly all pathogens. This includes being able to kill many types of germs that can cause infections. However, one key characteristic of high-level disinfectants is that they are generally not effective against bacterial spores, which are a resilient form of bacteria that can survive in harsh conditions. This limitation is significant as it informs practitioners of the level of disinfection necessary based on the items being treated and the types of pathogens they may encounter. The other options do not accurately reflect the properties of high-level disinfectants. For instance, while they are certainly powerful agents for disinfection, they are not designed for use on non-critical items as a routine practice. Non-toxic characteristics vary with different formulations of disinfectants, and not all high-level disinfectants are non-irritating to skin or tissue. Finally, using high-level disinfectants directly on critical items usually requires careful consideration and may not be without risk, especially if proper protocols are not followed.