Colorado Cosmetology Written Practice Exam 2026 - Free Cosmetology Practice Questions and Study Guide

Tuberculocidal disinfectants are chemicals specifically designed to kill tuberculosis bacteria, which are highly resistant and difficult to kill. These disinfectants contain strong and potentially harmful ingredients that can damage surfaces if not handled properly. While they may be effective in killing bacteria, they also have the potential to cause harm to humans and the environment if not used and disposed of correctly. Therefore, special handling and precautions are necessary to ensure the safety of both the user and the surrounding environment. Options B, C, and D are incorrect because although they may also be factors to consider when handling disinfectants, they are not the primary reason why tuberculocidal disinfectants require special handling.