Oregon Written Tattoo Practice Test

What is the definition of a low-level disinfectant?

1. A chemical demonstrating tuberculocidal activity

2. A chemical demonstrating bactericidal, fungicidal and limited virucidal activity

3. A chemical that inhibits the growth of bacteria

4. Antibacterial chemical

The correct answer is: A chemical demonstrating bactericidal, fungicidal and limited virucidal activity

A low-level disinfectant is defined as a chemical that demonstrates bactericidal, fungicidal, and limited virucidal activity. This means that it is capable of killing bacteria and fungi, while having some effectiveness against viruses, although it may not be as potent against all viral pathogens. Low-level disinfectants are typically used on non-critical surfaces in environments like tattoo studios, where the risk of infection is lower compared to critical areas that require high-level disinfectants. The distinction of "limited virucidal activity" emphasizes that while these disinfectants are effective in controlling a broad range of microorganisms, they may not inactivate certain resistant viruses. This makes them appropriate for areas that do not come into direct contact with high-risk pathogens, allowing for easier maintenance and safety in environments where minor exposures can occur. Understanding this classification is crucial for properly applying disinfectants in various settings, especially in tattoo parlors where hygiene and safety are paramount for both clients and artists.