MDRAO Practice Exam 2025 – The Comprehensive All-in-One Guide to Master Medical Device Reprocessing Certification!

Detergents are primarily classified as cleaning agents rather than disinfectants. Their primary function is to aid in the removal of dirt, grease, and organic materials from surfaces through physical and chemical action. While some detergents can have minor antimicrobial properties and may assist in the disinfection process when combined with disinfectants, they do not possess the necessary efficacy or broad-spectrum action required to be categorized as disinfectant agents by themselves.

In contrast, the other substances mentioned—halogens, alcohols, and phenolics—are recognized for their disinfectant properties. Halogens, such as chlorine and iodine, are known for their ability to kill bacteria, viruses, and fungi. Alcohols, particularly isopropyl and ethyl alcohol, are effective against a wide range of microorganisms. Phenolics are also powerful disinfectants, known for their effectiveness against bacteria and certain viruses.

Thus, identifying detergents as having a different primary function emphasizes the distinction between cleaning and disinfecting agents within the context of infection control and medical device reprocessing.