OSHA Safety Quiz Questions And Answers

Explanation
Fall from height is the leading cause of construction-site fatalities. Workers often perform tasks at elevated locations, such as scaffolding, ladders, or rooftops, which increases the risk of falls. These accidents can occur due to lack of fall protection equipment, inadequate safety measures, unstable structures, or human error. Falls from heights can result in severe injuries or even death, making it crucial for construction workers to receive proper training, use appropriate safety equipment, and follow safety protocols to prevent such incidents.

Explanation
According to OSHA guidelines, scaffolds have to be designed to carry four times the intended load. This means that the scaffold must be able to support a load that is four times heavier than what it is actually expected to carry. This is to ensure the safety of workers and prevent any accidents or collapses that may occur due to overloading.

Explanation
A GFCI, or Ground Fault Circuit Interrupter, is a safety device that is designed to protect against the risk of electrocution. It works by monitoring the flow of electricity and quickly shutting off power if it detects any imbalances or leaks. This helps to prevent serious electrical shocks and potential fatalities. Therefore, the correct answer is electrocution.

Explanation
Asbestos is known to be most dangerous due to its association with lung disease. When asbestos fibers are inhaled, they can become lodged in the lungs and cause various respiratory issues. Prolonged exposure to asbestos can lead to serious conditions such as asbestosis, lung cancer, and mesothelioma. These diseases can be life-threatening and have long-term effects on the respiratory system. Therefore, lung disease is the most dangerous thing associated with asbestos.

Explanation
Eye protection is the essential piece of safety gear for welders because it helps protect their eyes from sparks, debris, and harmful radiation emitted during the welding process. Without proper eye protection, welders are at risk of eye injuries, including burns, corneal damage, and even blindness. Therefore, wearing eye protection such as welding helmets or goggles is crucial to ensure the safety and well-being of welders while they perform their job.

Explanation
A mason is most likely to experience silica exposure because they work with materials such as bricks, concrete, and stone, which contain high levels of silica. When these materials are cut, drilled, or ground, they can release silica dust into the air. Breathing in this dust can lead to serious health issues, including lung cancer, silicosis, and other respiratory diseases. While painters, carpenters, and electricians may also encounter silica dust in certain situations, masons are more directly exposed to it on a regular basis.

Explanation
Ergonomic tools can reduce injury because they are designed to fit the natural movements and capabilities of the human body. These tools are specifically created to minimize strain, discomfort, and the risk of injury during use. They often have features such as adjustable handles, cushioned grips, and proper weight distribution to ensure that they are comfortable and safe to use. By using ergonomic tools, individuals can reduce the likelihood of developing musculoskeletal disorders, such as back pain or carpal tunnel syndrome, and improve overall work efficiency and productivity.

Explanation
When digging in solid rock, it is fine to dig a trench with 90-degree walls because solid rock provides stability and support to the walls of the trench. The rock acts as a natural barrier, preventing the walls from collapsing. However, when digging in clay or sand, the walls of the trench are more likely to collapse due to the lack of stability and cohesion in these materials. Therefore, it is not recommended to dig a trench with 90-degree walls in clay or sand.

Explanation
The statement "Virus can replicate without a host" is not true. Viruses are obligate intracellular parasites, which means they require a host cell to replicate and reproduce. They cannot carry out metabolic processes or replicate independently outside of a host cell. Viruses inject their genetic material into host cells and hijack the cellular machinery to produce more viral particles. Therefore, viruses are entirely dependent on host cells for their replication, making the statement incorrect.

Explanation
The distinguishing feature of the coronavirus is its deadliness. This refers to the ability of the virus to cause severe illness and even death in infected individuals. Unlike other viruses, the coronavirus has been found to have a higher mortality rate, particularly among vulnerable populations such as the elderly or those with underlying health conditions. This characteristic sets it apart from other viruses and highlights the seriousness of the disease it causes, COVID-19.