Which of the following is an example of mechanical harm?

• A. Fear from a hazmat event
• B. Noise-induced hearing loss
• C. Exposure to bacterial infections
• D. Shortness of breath from oxygen deficiency

Answer: (B)

Mechanical harm refers to injuries that result from physical forces or mechanical actions. The example of noise-induced hearing loss fits this definition well, as it occurs when sound waves damage the sensitive structures in the inner ear, resulting in a loss of hearing. This is a direct consequence of mechanical stress caused by high decibel levels over time, illustrating how physical phenomena can lead to injury.

Other options highlight different types of harm that do not fit the criteria for mechanical harm. Fear from a hazmat event pertains to psychological impact rather than a physical injury. Exposure to bacterial infections relates to biological harm, stemming from pathogens rather than mechanical forces. Shortness of breath due to oxygen deficiency is associated with respiratory issues and the physiological effects of low oxygen levels, which, while harmful, do not involve the mechanical injuries linked to sound or physical impact. Thus, noise-induced hearing loss serves as a clear example of mechanical harm due to the physical nature of sound damage.