Final answer:
Respirators are not only needed for tuberculosis exposure, but also for other harmful substances like dust and chemicals.
Step-by-step explanation:
False. Respirators are not only needed for tuberculosis exposure, but also for other harmful substances present in the environment such as dust, chemicals, and various types of gases. For instance, individuals working in industries like construction, mining, and chemical handling are often required to wear respirators as a safety precaution against the inhalation of harmful particles or substances.
Learn more about Respirators and their purpose