Occupational Safety and Health Administration (OSHA) SLC Practice Exam

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What does direct contact transmission involve?

  1. Exposure via airborne droplets

  2. Exposure through food and water

  3. Exposure through physical contact between individuals

  4. Exposure through an animal bite

The correct answer is: Exposure through physical contact between individuals

Direct contact transmission primarily refers to the transfer of infectious agents through physical interaction between individuals. This type of transmission occurs when a person comes into direct contact with another person's bodily fluids, skin, or mucous membranes. For example, shaking hands, hugging, or touching contaminated surfaces that are subsequently touched by another individual can lead to the spread of infections. The other types of exposure mentioned in the options do not fit the definition of direct contact transmission. Airborne droplets involve the inhalation of pathogens that are suspended in the air, while exposure through food and water pertains to ingesting contaminants that have been present in these consumables. Animal bites introduce pathogens via a different mechanism, which is not categorized as direct contact transmission between individuals. Understanding the distinction between these modes of transmission is crucial for implementing proper infection control measures in various settings.