Mixed Deck — All CSO Topics Flashcards

Any employee who is working on the locked-out equipment has the authority to remove the lock.

Answer: False

Explanation: False. Only the authorized employee who applied the lockout/tagout device has the authority to remove it. Lockout/tagout procedures are designed to prevent the accidental release of hazardous energy during maintenance or servicing activities. All employees involved in such tasks must adhere to the established lockout/tagout procedures and respect the integrity of the locks and tags applied by authorized personnel. Removing a lockout/tagout device without proper authorization can pose serious safety risks and potentially lead to catastrophic accidents or injuries. Therefore, it's essential for employees to understand and follow the established protocols for lockout/tagout procedures to ensure their safety and the safety of others.

Which of the following is a primary goal of conducting a worksite hazard assessment?

Answer: To identify existing and potential dangers in order to implement controls and prevent incidents.

The fundamental purpose of a hazard assessment is to proactively identify and evaluate workplace hazards so that effective control measures can be implemented to prevent accidents, injuries, and illnesses.

A worker discovers a colleague who is unconscious and not breathing. After ensuring the scene is safe, what is the IMMEDIATE next step in this emergency response?

Answer: Call for emergency medical services.

In a critical medical emergency where a person is unresponsive and not breathing, the first and most crucial action is to call for professional medical help (e.g., dial 911). This ensures that advanced care is on the way as quickly as possible, while you or others can then proceed with other first aid measures like CPR.

What is the correct course of action when a load is determined to be too heavy for one person to lift safely?

Answer: Use mechanical lifting aids or request a co-worker to perform a coordinated team lift

When a load exceeds safe individual lifting capacity, OSHA and general safety guidelines require using mechanical aids (forklifts, hand trucks, hoists) or performing a team lift to control the risk.

A worker discovers a small, contained fire in a wastebasket. According to typical emergency response procedures, which of the following should be their first step?

Answer: Activate the nearest fire alarm to alert everyone in the building.

The first and most critical step in a fire emergency is to alert others. Activating the fire alarm ensures that all personnel are notified of the danger and that evacuation procedures can begin promptly, even if the fire seems small.

What is the primary purpose of a muster point during a workplace emergency evacuation?

Answer: To facilitate a headcount and ensure all personnel are safely accounted for.

The main reason for gathering at a designated muster point is to allow for a headcount (or roll call) to verify that everyone has evacuated the hazardous area safely. This process helps identify any missing persons so that emergency responders can be notified.

Which of the following is a critical component of every worker's personal responsibility in an emergency response plan?

Answer: Knowing the location of their designated muster point and at least two evacuation routes.

Every employee must know their evacuation routes and where to assemble. While other roles are specialized, being aware of escape routes and the muster point location is a fundamental safety requirement for all personnel on site.

Universal Precautions means treating bodily fluids as if they are known to be infectious.

Answer: True

Explanation: Universal Precautions is an approach to infection control that treats all bodily fluids as if they are known to be infectious, regardless of the perceived risk. This approach recognizes that individuals may be infected with bloodborne pathogens such as HIV, hepatitis B, or hepatitis C without showing any symptoms, and therefore, all blood and certain other body fluids are treated as potentially infectious. By consistently applying Universal Precautions, healthcare workers and others who may come into contact with bodily fluids can minimize the risk of exposure to bloodborne pathogens and reduce the transmission of infectious diseases in healthcare settings and beyond.

What does the GHS flame pictogram indicate on a chemical container?

Answer: Flammable or pyrophoric materials

The GHS flame pictogram identifies flammable liquids, gases, aerosols, and pyrophoric substances that ignite easily.

Good housekeeping is probably the most important, basic step when it comes to preventing slip, trip, and fall accidents.

Answer: True

Explanation: Good housekeeping is indeed one of the most important and basic steps in preventing slip, trip, and fall accidents in the workplace. Maintaining a clean, clutter-free, and well-organized environment helps reduce hazards such as slippery floors, obstacles in walkways, and tripping hazards. By promptly cleaning up spills, removing debris and obstacles from walking areas, and ensuring proper storage of materials and equipment, employers can create a safer work environment and reduce the risk of slip, trip, and fall accidents for employees and visitors. Good housekeeping practices should be regularly reinforced and integrated into workplace safety protocols to help prevent accidents and injuries.

Upon hearing a continuous, piercing siren at a worksite, what is the most appropriate immediate action for a worker to take?

Answer: Proceed to the designated muster point via the primary evacuation route.

A continuous, piercing siren is generally used to signal a site-wide evacuation. The correct procedure is to evacuate immediately to the designated muster point to ensure personal safety and to be accounted for.

Under the hierarchy of controls, Personal Protective Equipment (PPE) is considered:

Answer: The last line of defense against hazards.

The hierarchy of controls ranks hazard control methods from most effective to least effective. PPE is considered the last line of defense, to be used when hazards cannot be eliminated or controlled through more effective means like elimination, substitution, engineering controls, or administrative controls.

When it comes to selecting PPE it is one size fits all.

Answer: False

Explanation: PPE (Personal Protective Equipment) should be selected based on the specific hazards present in the workplace and the individual needs of the wearer. Different tasks and environments may require different types and sizes of PPE to ensure proper protection. Additionally, factors such as body size, comfort, and fit play a crucial role in selecting appropriate PPE. Therefore, PPE is not one size fits all, and careful consideration should be given to selecting the right equipment for each worker and task.

A worker is required to use specific, employer-provided chemical-resistant gloves for a task. After a few uses, the worker notices a small tear in one of the gloves. What is the worker's primary responsibility in this situation?

Answer: To immediately stop work, not use the damaged PPE, and report the defect to their supervisor.

A worker's responsibility is to inspect PPE before use and to report any loss, destruction, or defects to their supervisor immediately. Using damaged or defective PPE, attempting unauthorized repairs, or sharing PPE can expose the worker to the very hazards the equipment is meant to protect against.

Proper lifting technique includes lifting primarily with your back, not your legs.

Answer: False

Explanation: False. Proper lifting technique involves primarily using your legs, not your back. When lifting objects, it's important to bend at the knees, keep your back straight, and use the muscles in your legs to lift the load. This technique reduces the strain on your back muscles and helps prevent injuries such as strains and sprains. Lifting with your back can put excessive stress on the spine and increase the risk of back injuries. Therefore, lifting primarily with your legs is essential for safe and effective lifting.

What is the primary purpose of a pre-job or toolbox safety talk?

Answer: To discuss the specific hazards and control measures related to the tasks for the current shift.

Toolbox talks (or pre-job safety meetings) are brief, informal meetings conducted at the start of a shift to focus on the immediate tasks. The goal is to ensure every crew member is aware of the specific job-related hazards they might face that day and the controls that must be in place to work safely.

Which part of the body is most frequently injured during manual material handling tasks in occupational settings?

Answer: Lower back, due to compressive and shear forces on lumbar discs

The lower back is the most common site of manual handling injuries because the lumbar spine bears enormous compressive and shear forces during lifting and carrying.

After a building fire evacuation, where should workers assemble?

Answer: At the pre-designated assembly point away from the building

Designated assembly points keep evacuees clear of emergency vehicles and allow supervisors to account for all personnel.

Which of the following is best classified as an ergonomic hazard?

Answer: Poorly designed workstations that require workers to perform tasks in awkward postures.

Ergonomic hazards relate to the design of the work environment and tasks that can cause strain on the body over time. A poorly designed workstation forces awkward postures, which can lead to musculoskeletal injuries. Frayed cords are safety hazards, loud noise is a physical hazard, and viruses are biological hazards.

A rigger is directing a crane lift near a walkway. Several workers stop on the walkway directly under the suspended load to watch. This situation is a clear violation of which Life Saving Rule?

Answer: Line of Fire

Being positioned under a suspended load places individuals in the direct 'Line of Fire'. The Life Saving Rules state that workers must keep themselves and others out of the path of potential harm from moving objects, which includes dropped objects from a crane.