Dental Assistant Practice Exam

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What term describes microorganisms that are suspended in air?

  1. Pathogens

  2. Viruses

  3. Airborne

  4. Fungi

The correct answer is: Airborne

The term that describes microorganisms suspended in air is "airborne." This classification includes a variety of pathogens that can be transmitted through the air, often via droplets or aerosols that are expelled when an infected person coughs, sneezes, or talks. Airborne microorganisms can pose a significant health risk, particularly in enclosed or poorly ventilated spaces, where they can be inhaled by others, leading to the spread of diseases. In this context, the other options refer to specific categories of microorganisms. Pathogens are agents that can cause disease but do not specifically denote whether they are airborne or not. Viruses are a type of pathogen and can be airborne, yet the term "viruses" alone does not encompass all microorganisms found in the air. Fungi represent another category of organisms that can include airborne spores, but again, this term does not specifically encapsulate the broader concept of microorganisms suspended in air. Therefore, "airborne" is the most accurate term to describe this phenomenon.

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