30. An environment that has a concentration of oxygen greater than 215 is called an a....
30. An environment that has a concentration of oxygen greater than 215 is called an a. Oxygen-poor atmosphere b. Oxygen-enriched atmosphere e. Normal room air d. Oxidizing atmosphere 31. Which of the following is/are considered flammable? a. Endotracheal tubes b. Surgical drapes b. Fibrin glue c. All of the above 32. Which of the following are considered sources of ignition? a. Surgical drapes b. Lasers c. Chlorhexidine solutions d. Alcohol prepping solutions 38. With regard to toxic chemicals in the operating room, which of the following statements is true? The cumulative effects can be much greater than the effects of any single exposure. Many of the chemicals are hazardous, but they w ally produce only short-term effects. c. Guidelines for handling chemicals are designed to help in the development of risk strategies d. Only the emergency department is required to maintain MSDS for chemicals 39. The risk reduction strategy that is used after exposure to blood or other body fluids is called: 2. PPE h PEP c. PPP d. All of the above 33. During a colonoscopy, the potential for fire is high because of the high concentration of: . Flammable drapes and equipment b. Oxygen c. Laser emissions d. Methane gas 34. On which of the following would you use a class A (water) fire extinguisher? a. Electrical fires b Laser fires C. Flammable liquids d. Wood, paper, and cloth 35. Class B fire extinguishers recommended for operating room fires are also called extinguishers. a. Bromochlorodifluoromethane b. Carbon dioxide c. Hydrogen peroxide d. Water 36. Compressed is used as a power source for instruments, such as drills, saws, and other high- speed tools. a. Oxygen b. Argon c. Nitrogen d. Nitrous oxide is a naturally occurring sap obtained from rubber trees a. OPA h Radiation . d. None of the above is the amount of physical effort needed to perform a task, such as moving an object. a Posture b Repetitive motion c. Exertion d. Contact stress - is excessive direct pressure against a Sharp edge or hard surface. 2. Posture h Repetitive motion c. Exertion d Contact stress 43. When - keep the object close to your body. 2. Lifting b. Pushing and pulling c. Bending d. Standing 44. When place one foot behind the other, the back foot should be braced comfortably. Lifting b. Pushing and pulling c. Bendine d. Standing 37 is/are known to contain benzene, hy- drogen cyanide, formaldehyde, blood fragments, and viruses. a. Peracetic acid b. Gas released from a sterilizer c. Smoke plumes d. HEPA filters 45. Handsfree technique is: a. Putting the instruments on the Mayo tray during surgery and letting the surgeon take whatever in- struments he or she needs b. A method of washing instruments in which only the machines touch them c. A self-retaining retractor system d. A method of passing the knife (scalpel) by putting it in a pan on the surgical field Cat 2018, Enter Inc. Als Reserved mapter 7 Environmental Hazards