Certified Healthcare Safety Professional (CHSP) Practice Exam

Which of the following compounds is commonly associated with both hygiene and disinfection?

1. Isopropyl alcohol

2. Ammonia

3. Mercury

4. Nitrous Oxide

The correct answer is: Isopropyl alcohol

Isopropyl alcohol is well-known for its dual role in both hygiene and disinfection. It serves as an effective antiseptic agent, utilized frequently in healthcare settings to clean and disinfect surfaces, skin, and medical instruments. The ability of isopropyl alcohol to eliminate bacteria, viruses, and fungi makes it a go-to compound in maintaining hygiene practices, especially in environments where sterilization is crucial. The effectiveness of isopropyl alcohol as a disinfectant typically relies on its concentration; commonly used concentrations for disinfection are 70% isopropyl alcohol, which maximizes its antimicrobial properties by allowing sufficient contact time with the targeted surfaces. Its rapid evaporation also aids in minimizing residue left behind, making it ideal for both hygiene and disinfecting purposes in various applications, from hospitals to households. In contrast, while ammonia might be effective for cleaning, its disinfecting capabilities are not as widely recognized in the same contexts. Mercury, on the other hand, is harmful and not a common choice for either cleaning or disinfecting due to its toxicity. Nitrous oxide is primarily used in anesthesia and has no association with hygiene or disinfection practices. Thus, isopropyl alcohol stands out as the compound that effectively bridges both hygiene and