OSHA- 30- Construction exam with 100% correct answers

When applying ergonomic principles to your office environment, what should you do to avoid injury? Identify the ergonomic risks associated with tasks you perform on the job. Ergonomics is the applied science of designing environments so what can happen? People and the things they use can interact most efficiently and safely. What type of condition does repeated stress on muscles, joints, tendons, and delicate nerve tissues cause? Cumulative trauma disorder (CTD) What CTD results from prolonged or repetitive flexing of your wrists and causes numbness, tingling, and pain? Carpal tunnel syndrome Which of the following is an example of static loading? Holding a phone during a lengthy phone conversation Why does working in an uncomfortably cold office increase your risk of developing a CTD in your shoulder, arm, wrist, or hand? Because it will cause blood flow to shift from your extremities to your core What CTD risk factor is associated with resting your wrist on the edge of the desk while typing? Contact stress In what area of your back are you most likely to feel pain that results from sitting in one position for too long without adequate back support or with poor posture? Lumbar area What office activity is most likely to cause trigger finger? Repetitively using a manual stapler Which behavior is an example of working in your comfort zone? Keeping key objects close to your body What is the most appropriate response to initial CTD warning signs? Apply ergonomic best practices What is the best description on a "neutral posture?" Keeping your body aligned and balanced and maintaining the natural S-curve of your spine. Toxic gases are the most serious of fires True Workplace violence is primarily physical violence False Dangers from natural disasters include drowning, collapsing structures, and flying debris. True Fuel, heat, and oxygen complete the fire tetrahedron. False poor planning or lack of preparedness is only a danger in fire emergencies False A toxic chemical release can produce toxic gases, contamination, explosions, and possibly, fire. True Of the primary dangers of fire, which is the most serious? Toxic gases Which of the following components must be present for a fire to ignite and continue burning? Fuel, oxygen, ignition source, and a chemical chain reaction Do poor planning and lack of preparedness present a danger in an emergency situation? Yes Do emergency action and fire prevention plans have to be written? No Who is ultimately responsible for preparing emergency action and fire prevention plans? Employers When should your employer review emergency actin and fire prevention plans with you? When plans are initially developed or changed At the time of your initial assignment When your responsibilities under the plan change If you have been trained to perform critical plant operations during evacuation, where will you find the details and contact information for individuals you can call for further information on or explantation of your duties Emergency action plan What is one of the most common fuel sources in the workplace Clutter An exit discharge must be: Kept clear of parked vehicles or stored materials or structures Depending on the emergency, for example fire, what is often the best response? Get out of the building using emergency exists and their access ways. How are emergency exit doors equipped? They are unlocked from the inside to