Which of the following is NOT a route of exposure?

• A. Inhalation
• B. Ingestion
• C. Hypothermia
• D. Absorption

Answer: (C)

Hypothermia is not a route of exposure to hazardous materials. Instead, it refers to a medical condition that occurs when the body temperature falls below the normal range due to prolonged exposure to cold temperatures. In contrast, the other options—inhalation, ingestion, and absorption—are direct pathways through which hazardous substances can enter the body.

Inhalation occurs when a person breathes in harmful vapors, dust, mists, or gases, allowing toxins to enter the respiratory system. Ingestion happens when harmful substances are consumed, potentially through contaminated food or water, leading to exposure through the digestive system. Absorption involves the absorption of hazardous materials through the skin or mucous membranes, allowing chemicals to enter the bloodstream. These processes highlight how hazardous materials can affect the human body, while hypothermia does not involve exposure to chemicals or toxic substances.