Quaternary Ammonium Compounds are Disinfectants Effective Against

Question

Quaternary ammonium compounds are disinfectants effective against
A) endospores.
B) mycobacteria.
C) nonenveloped viruses.
D) Pseudomonas aeruginosa.
E) enveloped viruses.

Accepted Answer

Quaternary ammonium compounds are effective against enveloped viruses. They are less effective against nonenveloped viruses, mycobacteria, and endospores. Pseudomonas aeruginosa is a gram-negative bacterium and can be resistant to disinfectants, including quaternary ammonium compounds.