Illinois HazMat Ops Practice Exam

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Which of the following is NOT a route of entry for hazardous materials into the body?

Inhalation
Absorption
Transmission
Injection

The correct answer is: Transmission

The correct answer is "C," as "transmission" is not recognized as a formal route of entry for hazardous materials into the body. Routes of entry typically refer to the specific ways hazardous substances can enter the body, which include inhalation, absorption, and injection. Inhalation involves breathing in vapors or particles, allowing them to enter the respiratory system. Absorption occurs when chemicals make contact with the skin or mucous membranes and enter the bloodstream. Injection refers to the direct introduction of a substance into the body through a puncture or cut in the skin, such as with needles or sharp objects. While "transmission" could colloquially imply the spread of contaminants, it does not specifically describe a route of entry recognized in hazardous materials training. This helps clarify why it is the correct choice in this context.