Medical Laboratory CSMLS Guidelines Safety Review Questions and Answers, Exams of Laboratory Practices and Management

Download Medical Laboratory CSMLS Guidelines Safety Review Questions and Answers and more Exams Laboratory Practices and Management in PDF only on Docsity! Medical laboratory CSMLS Guidelines Safety Review questions and answers Grade A+ What are the major ways to deal with risk? a. Ignore them, make employees sign non-liability contracts. b. Workers' compensation c. Report to government d. Tolerate, treat, terminate or transfer the risk - correct answer d. Tolerate, treat, terminate or transfer the risk Name 5 categories of hazards - correct answer 1. Etherical 2. Physical 3. Psychological 4. Ergonomic 5. Biological Which of the following may be useful in helping to identify laboratory hazards? a. Material Safety Data Sheets b. Inspections c. Incident reports Medical laboratory CSMLS Guidelines Safety Review questions and answers Grade A+ d. All of the above - correct answer d. All of the above An example of an engineering control is: a. Full body coverage with gown, shoe covers, gloves and goggles b. Strictly enforced safety rules c. All of the above d. None of the above - correct answer d. None of the above Emergency response plans, training and occupational health programs are examples of: a. Engineering controls b. Administrative controls c. Personal protective equipment d. None of the above - correct answer b. Administrative controls In the "hierarchy of controls", which type of control is considered the best? Medical laboratory CSMLS Guidelines Safety Review questions and answers Grade A+ In the Internal Responsibility System model, (OHSA)employees are usually required to: a. Follow rules b. Reduce absenteeism c. Belong to a union d. Have immunizations - correct answer a. Follow rules Canadian laboratories are governed by: a. Federal legislation b. Provincial legislation c. Municipal legislation d. All of the above - correct answer d. All of the above Three major elements of WHMIS are: a. MSDSs, training, PPE b. Labels, training, MSDSs c. MSDSs, inventory control, PPE d. Training, PPE, labels - correct answer b. Labels, training, MSDSs Medical laboratory CSMLS Guidelines Safety Review questions and answers Grade A+ Employee training for WHMIS includes all the following except: A) Producing MSDS sheets B) Content of supplier labels and workplace labels C) Emergency procedures all situations involving a hazardous material D) Procedures for storage and disposal of hazardous materials on site E) Contents of MSDS sheets - correct answer A) Producing MSDS sheets All items must be on a workplace label, EXCEPT: A) Product Name B) A reference to the SDS C) Safe handling precautions D) Manufacturer's name - correct answer D) Manufacturer's name Which of the following are exempt from WHMIS labeling? Medical laboratory CSMLS Guidelines Safety Review questions and answers Grade A+ A) Blood based products. B) Compressed gases C) Corrosive materials D) Radioactive materials - correct answer D) Radioactive materials If you have a safety issue that you cannot solve you should first contact: a. The government health and safety regulatory agency b. The media c. Your safety committee d. Your supervisor - correct answer d. Your supervisor What is the responsibility of employees under WHMIS? A) Classify hazards B) Prepare MSDS sheets C) Provide supplier labels Medical laboratory CSMLS Guidelines Safety Review questions and answers Grade A+ A well-implemented OHSMS may result in: a. Reduced hazards b. Reduced costs c. Improved compliance d. All of the above - correct answer d. All of the above An emergency response plan should include: a. Plans for all types of potential emergencies b. Emergency response equipment c. Training and drills d.All of the above - correct answer d.All of the above A good safety culture: a. Encourages employee participation b. Discourages reporting of incidents c. Eliminates the need for a safety committee d. All of the above - correct answer a. Encourages employee participation Medical laboratory CSMLS Guidelines Safety Review questions and answers Grade A+ Employee training: a. Should be optional b. Occurs only for new employees c. Is the responsibility of the professional school d. Should be an ongoing activity - correct answer d. Should be an ongoing activity Lab workers should be responsible for: a. Decontamination of clean-up of spills and surfaces b. Keeping aisles unobstructed c. Properly labelling hazards d. All of the above - correct answer d. All of the above Before working in the lab: a. Clean all work surfaces b. Turn on the radio c. Learn the exit routes Medical laboratory CSMLS Guidelines Safety Review questions and answers Grade A+ d. Remove the chemicals from cabinets and place them on the benches - correct answer c. Learn the exit routes When in the lab wear safety glasses: a. At all times b. Only when working with hazardous products c. On religious holidays d. In conjunction with sensible shoes - correct answer a. At all times Use standard/universal precautions when dealing with: a. Blood specimens b. Difficult people c. Corrosive chemicals d. Centrifuges - correct answer a. Blood specimens Which Items can be stored in the laboratory refrigerator? A) Staff lunches Medical laboratory CSMLS Guidelines Safety Review questions and answers Grade A+ a. Probability b. Degree of Damage (DOD) c. Severity d. Frequency - correct answer c. Severity The following should be included on the hazard assessment documents: a. Who identified each hazard b. Who should implement additional controls c. How many accidents occurred as a result of the hazard All of the above - correct answer b. Who should implement additional controls Hazard assessments are useful for: a. Due diligence b. Identifying deficiencies and recommended additional controls c. Training new employees d. All of the above - correct answer d. All of the above Medical laboratory CSMLS Guidelines Safety Review questions and answers Grade A+ Which of the following is an administrative control for biological hazards? a. Biological safety cabinets b. Sharps disposal containers c. Decontamination procedures d. Respirators - correct answer c. Decontamination procedures Risk groups are classified by considering: a. How exotic the organism is b. Which disinfectants work with the organisms c. The level of individual and community risk d. The number of actual cases of illness documented - correct answer c. The level of individual and community risk Most clinical diagnostic laboratories follow procedures for containment level: a. 1 b. 2 Medical laboratory CSMLS Guidelines Safety Review questions and answers Grade A+ c. 3 d. 4 - correct answer b. 2 All the following produce aerosols except: A) Popping open blood tubes. B) Quickly pouring off supernatant from a tube. C) Forcefully ejecting specimens through a syringe. D) Flaming a wet loop. E) Capping tubes before centrifuging. - correct answer E) Capping tubes before centrifuging. A common hazard involving the autoclave is: A) A scald. B) A chemical burn. C) A blood exposure. D) Noxious fumes. E) Heat exhaustion. - correct answer A) A scald. Which method is NOT appropriate when loading an autoclave? Medical laboratory CSMLS Guidelines Safety Review questions and answers Grade A+ BSCs remove which from the air in the cabinet A) Acid fumes B) Alcohol fumes C) Tiny particulates D) Xylene fumes - correct answer C) Tiny particulates A biological safety cabinet (BSC) may present a hazard related to A) Beta rays B) Gamma rays C) Lasers D) X-rays E) UV rays - correct answer B) Gamma rays Which precaution is required when working in a biological safety cabinet? a. Discard contaminated materials in containers outside of the cabinet b. Place vortex mixers near the sash Medical laboratory CSMLS Guidelines Safety Review questions and answers Grade A+ c. Adjust stool height so that the opening is at the user's eye level d. Separate clean items from dirty items - correct answer d. Separate clean items from dirty items How is a blood spill decontaminated? A) Absorb with paper towels then add hypochlorite solution and wait 30 min. B) Dilute with distilled water and then absorb with paper towels for 30 min C) Decontaminate with alcohol and absorb with paper towels for 15-20 min D) Evacuate the lab, ventilate the area and call 911 - correct answer A) Absorb with paper towels then add hypochlorite solution and wait 30 min. What is the simplest and most important step in the proper handling of any hazardous substance? A) Disposal of a chemical. B) Labeling of a substance. C) Storage of a substance. Medical laboratory CSMLS Guidelines Safety Review questions and answers Grade A+ D) Wearing of heavy rubber gloves. - correct answer B) Labeling of a substance. What are Standard Precautions? A) A term that has replaced the term Universal Precautions. B) The process of treating all blood and body fluids as potentially infectious. C) A safety precaution concerned with the handling of all patient specimens. D) All the above. - correct answer D) All the above. What is the definition of a biohazard? A) Chemicals that can burn the skin severely. B) Flammable substances. C) Potentially infectious materials or agents. D) Explosive liquids. - correct answer C) Potentially infectious materials or agents. What equipment is used for Airborne and Contact Precautions? Medical laboratory CSMLS Guidelines Safety Review questions and answers Grade A+ A) Provide their own safety equipment B) must use safety equipment C) Maintain safety equipment in good condition D) pay for their own safety equipment - correct answer B) must use safety equipment SDS for products used in the lab must be accessible: a. To lab workers only b. In the lunch room c. To all personnel potentially exposed d. To the Safety Committee only - correct answer c. To all personnel potentially exposed Which item is required on a WHMIS Safety Data Sheet? a. Transport information b. Composition of ingredients c. Disposal considerations d. Ecological information - correct answer b. Composition of ingredients Medical laboratory CSMLS Guidelines Safety Review questions and answers Grade A+ TLV-TWA indicates the maximum concentration A) At which a worker may be exposed day after day without adverse effect B) At which exposure for a 30-hour week is considered unsafe C) At which exposure is limited to 15-minute periods four times a day D) Which should never be exceeded even instantly - correct answer A) At which a worker may be exposed day after day without adverse effect TLV-STEL indicates a concentration A) At which a worker may be safely repeatedly exposed day after day B) At which exposure for a 40-hour week is considered safe C) At which exposure is limited to 15-minute periods four times a day D) Which should never be exceeded even instantly - correct answer C) At which exposure is limited to 15-minute periods four times a day Medical laboratory CSMLS Guidelines Safety Review questions and answers Grade A+ When substances are introduced into the body via the respiratory system this is called A) Absorption B) Ingestion C) Injection D) Inhalation - correct answer D) Inhalation When substances are introduced into the body via the digestive system this is called A) Absorption B) Ingestion C) Injection D) Inhalation - correct answer A) Absorption WHMIS labels do not include: a. Supplier Labels b. Consumer Labels c. Workplace labels d. Risk phrases - correct answer b. Consumer Labels Medical laboratory CSMLS Guidelines Safety Review questions and answers Grade A+ B) Anti-Flammable safety cabinet C) Biological safety cabinet D) Refrigerator - correct answer B) Anti- Flammable safety cabinet Which of the following produces toxic vapours at room temperature? A) Azide solutions B) Boric acid C) Cyanides D) Mercury E) Sodium carbonate - correct answer D) Mercury An acid spill should be neutralized with A) A strong alkali B) A weak alkali C) Sodium chloride D) A Buffer - correct answer B) A weak alkali Which item is NOT in a Chemical spill kit? Medical laboratory CSMLS Guidelines Safety Review questions and answers Grade A+ A) Acid neutralizer B) Absorbent material C) Chemical resistant gloves D) Buffering solution - correct answer D) Buffering solution Where is a stock solution of ethanol stored? a. Fume hood b. Flammable safety cabinet c. Biological safety cabinet d. Refrigerator - correct answer b. Flammable safety cabinet An MLA is asked to clean up a chemical spill and never did it before. What should the MLA do? a. Use a dry mop. b. Flood with water to dilute. c. Cover with paper towels d. Refuse to do it - correct answer d. Refuse to do it Medical laboratory CSMLS Guidelines Safety Review questions and answers Grade A+ Which substance is NOT discarded in the sink? a. Saline b. Ethanol c. Xylene d. Hypochlorite - correct answer c. Xylene What is the first step to take when 3L of 95% ethanol spills near a flotation bath? A) Don appropriate PPE to clean up spill B) Unplug the power source if it can be done safely C) Evacuate the laboratory D) Apply absorbent material to contain the spill - correct answer B) Unplug the power source if it can be done safely Which procedures should be used when disposing of a used microtome knife blade? a. Wear gloves to handle the blade and place in biohazard bag b. Have a designated person collect and discard all blades Medical laboratory CSMLS Guidelines Safety Review questions and answers Grade A+ d. Electrical equipment - correct answer a. Liquid fuels What type of extinguisher is used for metal fires? a. A-B-C dry chemical b. Water c. Carbon dioxide d. Class D dry chemical - correct answer d. Class D dry chemical A cryogenic liquid is any liquid at a temperature below: a. The freezing point of water b. -150 °C c. -273.3 °C d. -73.3 °C - correct answer d. -73.3 °C What is the name of the agency responsible for radiation safety regulation in Canada? a. Atomic Energy Control Board Medical laboratory CSMLS Guidelines Safety Review questions and answers Grade A+ b. Canadian Centre for Occupational Health and Safety c. Radiation Safety Board d. Canadian Nuclear Safety Commission - correct answer d. Canadian Nuclear Safety Commission Name a radioisotope that should be shielded by Plexiglas and not lead? a. Phosphorus-32 b. Carbon-14 c. Tritium d. Iodine-125 - correct answer a. Phosphorus-32 Which of the following is an example of ionizing radiation? a. Microwaves b. Gamma rays c. Electromagnetic radiation d. Lasers - correct answer b. Gamma rays When working with carcinogens, you should: Medical laboratory CSMLS Guidelines Safety Review questions and answers Grade A+ A) perform procedure in a Fume Hood B) mouth pipette C) wear stainless steel gloves D) wash hands with soap and hot water when finished E) wear safety goggles - correct answer A) perform procedure in a Fume Hood All the following factor would determine the degree of exposure to radiation except. A) Type of clothing worn B) Length of exposure time C) Distance from radiation source Amount of shielding used - correct answer A) Type of clothing worn Which action should be performed to achieve proper microscope ergonomics? A) Sit at the edge of the chair so that feet may rest firmly on the floor B) Adjust the chair back to a slightly reclined position Medical laboratory CSMLS Guidelines Safety Review questions and answers Grade A+ c. Alternating tasks d. All of the above - correct answer d. All of the above An example of equipment that may improve ergonomics is: a. A chemical fume hood b. A flammable liquids storage cabinet c. Automated foot-operated cryostats d. None of the above - correct answer c. Automated foot-operated cryostats "Technostress" can be a result of: a. Too many long hours in front of the computer monitor b. Introducing technological change into the laboratory c. Long work hours as a lab technician d. Using old equipment - correct answer b. Introducing technological change into the laboratory Medical laboratory CSMLS Guidelines Safety Review questions and answers Grade A+ Workplace stresses common in the laboratory include: a. STAT work required and high pace of work b. Emotional stress of dealing with very ill patients c. The potential for exposure to hazardous agents d. All of the above - correct answer d. All of the above The ability to cause changes in the DNA of cells is called: a. Teratogenicity b. Fetotoxicity c. Mutagenicity d. Embryo toxicity - correct answer c. Mutagenicity The following are potential sources of information on reproductive hazards: a. Occupational hygienist or safety officer b. Product MSDS c. Reference lists Medical laboratory CSMLS Guidelines Safety Review questions and answers Grade A+ d. All of the above - correct answer d. All of the above The type of ventilation that dilutes indoor air with a supply of fresh air is called: a. Local ventilation b. Convection ventilation c. Technical ventilation d. General ventilation - correct answer d. General ventilation When used properly, chemical fume hoods protect you from: A) Chemical splashes, so you do not have to wear eye protection. B) Hazardous fumes or vapors. C) Fire. D) radioactive reagent. - correct answer B) Hazardous fumes or vapors. When working with carcinogens, you should: Medical laboratory CSMLS Guidelines Safety Review questions and answers Grade A+ a. Working with volatile chemicals on an open bench b. Leaving liquid waste containers uncapped c. Discharging volatile chemicals into the drain d. All of the above - correct answer d. All of the above Which of the following is not considered appropriate personal protective equipment in the laboratory? A) any running shoes. B) Lab coat. C) Gloves. D) Goggles. - correct answer A) any running shoes. Lab coats: a. Must be kept buttoned b. Should be worn when leaving the laboratory c. May be left open when not working with hazardous agents Medical laboratory CSMLS Guidelines Safety Review questions and answers Grade A+ d. Should be color-coded to identify sizes quickly - correct answer a. Must be kept buttoned . Gloves: a. Should be available in all required sizes b. Should be changed between patients when doing phlebotomy c. Should be of latex-free material d. All of the above - correct answer d. All of the above Procedure/surgical masks: a. Are effective in protecting patients from a healthcare worker's cough b. Are useful when working with formaldehyde c. Should be available in a chemical spill kit d. None of the above - correct answer a. Are effective in protecting patients from a healthcare worker's cough Respirators: Medical laboratory CSMLS Guidelines Safety Review questions and answers Grade A+ a. Are useful when cleaning up chemical spills b. Must be fit-tested for each worker required to wear them c. Can be used for working with patients with highly infectious respiratory illnesses d. All of the above - correct answer d. All of the above An emergency eye wash should be located: a. Within 10 feet of the eye hazard b. Within 10 seconds walking distance of the eye hazard c. Within 100 feet of the eye hazard d. All of the above - correct answer b. Within 10 seconds walking distance of the eye hazard Tepid water is: a. Cold b. Hot c. Between 12 and 16 °C Medical laboratory CSMLS Guidelines Safety Review questions and answers Grade A+ Which first aid measure is performed first following a superficial burn? A) Cover the burned area with dry bandage B) Remove all clothing from the burned individual C) Remove clothing surrounding burned area D) Apply oil substances to burned areas of the skin - correct answer C) Remove clothing surrounding burned area If the victim is a contact lens wearer and the lenses cannot be removed immediately, you should wash for one minute, remove the lenses, and then continue washing for a total of 15 minutes. a. True b. False - correct answer a. True A needle stick injury does not have to be reported if an infection does not develop. a. True b. False - correct answer b. False Medical laboratory CSMLS Guidelines Safety Review questions and answers Grade A+ Which cleansers is used following a needle stick injury? A) Hydrogen peroxide B) 70% alcohol C) Tincture of iodine D) Soap and water - correct answer D) Soap and water If a blood tube breaks during centrifugation, what is done first? A) Turn centrifuge off B) Tell laboratory staff C) Decontaminate centrifuge immediately D) Do not touch centrifuge for 30 minutes - correct answer A) Turn centrifuge off When centrifuging biological agents: a. Ensure only tubes with stoppers or tops are used b. Use sealed centrifuge cups or rotors that can be loaded in a BSC Medical laboratory CSMLS Guidelines Safety Review questions and answers Grade A+ c. Inspect tubes to make sure they do not have any cracks or chipped rims d. All of the above - correct answer d. All of the above If a tube with infectious material breaks during centrifugation in a centrifuge that does not have safety cups, do not open the centrifuge for: a. 5 minutes b. 20 minutes c. 30 minutes d. 1 day - correct answer c. 30 minutes Precautions for the use of water baths include: a. Putting sodium azide in the water bath to reduce bacterial growth b. Adding a phenolic detergent to the water bath to prevent contamination c. Leaving the water bath plugged in when filling or emptying it Medical laboratory CSMLS Guidelines Safety Review questions and answers Grade A+ b. Provincially c. At the municipal level d. None of the above - correct answer a. Federally Other types of hazardous waste are regulated: a. Federally b. Provincially c. At the municipal level d. None of the above - correct answer b. Provincially Commercial waste disposal methods for waste solvents include: a. Incineration b. Purification by distillation c. Purification by filtration d. All of the above - correct answer d. All of the above Which disposal methods should be used when a container of dried picric acid is discovered? Medical laboratory CSMLS Guidelines Safety Review questions and answers Grade A+ A) Filtration B) Controlled explosion C) Neutralization D) Landfill - correct answer B) Controlled explosion Controlling access to the lab is: a. The responsibility of Security b. The responsibility of management c. The responsibility of all workers d. Unimportant - correct answer c. The responsibility of all workers Tracking inventory of hazardous materials: a. Enables detection of lost materials b. Reduces duplication and unnecessary orders c. Is useful in an emergency d. All of the above - correct answer d. All of the above Missing hazardous materials: Medical laboratory CSMLS Guidelines Safety Review questions and answers Grade A+ a. Should be immediately reported to Security b. Should be well documented c. Should be investigated d. All of the above - correct answer d. All of the above In the decommissioning process, it may be necessary to clean surfaces that were contaminated with: a. Chemical substances b. Biological substances c. Nuclear substances d. All of the above - correct answer d. All of the above If radioactive materials are used, laboratory decommissioning is a legal requirement of: a. The Health and Safety Commission b. The Canadian Nuclear Safety Commission c. The Canadian Commissioning Commission Medical laboratory CSMLS Guidelines Safety Review questions and answers Grade A+ d. Fume Hood - correct answer c. Flammable safety cabinet Where should a stock solution of Acetone be stored? a. Refrigerator b Biological safety cabinet c Flammable safety cabinet d Fume Hood - correct answer c Flammable safety cabinet Where should a stock of glacial acetic acid be stored? a. Refrigerator b. Biological safety cabinet c. Flammable safety cabinet d. Fume Hood - correct answer c. Flammable safety cabinet In the event of spill or leak of a 3L flammable chemical near a hot plate or other ignition sources what is the first step: Medical laboratory CSMLS Guidelines Safety Review questions and answers Grade A+ a. Evacuate the laboratory b. Be sure the fume hood are operating c. Turn off the power source, if you can do so safely d. Don appropriate PPE to clean up spill - correct answer c. Turn off the power source, if you can do so safely What of the following precautions is appropriate when disposing a microtome knife blade? a. Use fingers to remove sections from the knife b. Wear gloves and dispose in biohazard bag c. Use forceps to handle the blade and dispose in sharps d. Ask the designated person to collect and discard the blade - correct answer c. Use forceps to handle the blade and dispose in sharps What is the most appropriate method to dispose dry picric acid? a. Controlled explosion b. Neutralization c. Landfill Medical laboratory CSMLS Guidelines Safety Review questions and answers Grade A+ d. Recycling - correct answer a. Controlled explosion Which method is not used to dispose flammable solvents? a. filtration b. Landfill c. distillation d. Incineration - correct answer d. Incineration Which of the following is not optional on a SDS a. Composition of Ingredients b. Ecological Information c. Disposal Considerations d. Transport Information - correct answer a. Composition of Ingredients Which of the following considerations will assist in preventing ergonomic injuries related to pipetting Medical laboratory CSMLS Guidelines Safety Review questions and answers Grade A+ The single most important means of preventing the spread of infection is a. proper hand antisepsis. b. keeping clothes clean. c. wearing a mask. d. wearing gloves - correct answer a. proper hand antisepsis. To destroy transient microorganisms when washing hands, use a. antiseptic soap. b. bleach solution. c. plain soap. d. all of the above. - correct answer a. antiseptic soap. In the event of a body fluid splash to the eyes, the victim should immediately a. call 911 so the paramedics will come. b. flush eyes with water for 15 minutes. c. go to the emergency room. Medical laboratory CSMLS Guidelines Safety Review questions and answers Grade A+ d. wipe the eyes with a tissue. - correct answer b. flush eyes with water for 15 minutes. Which of the following items is PPE? a. Biohazard bag b. Countertop shield c. Nonlatex gloves d. Sharps container - correct answer c. Nonlatex gloves Which of the following examples of potential exposure to blood-borne pathogens involves a parenteral route of transmission? a. Chewing gum while collecting blood specimens b. Eating a snack while accessing specimens c. Licking fingers while turning lab manual pages d. Rubbing the eyes while processing specimens - correct answer d. Rubbing the eyes while processing specimens Surfaces in the specimen collection and processing area should be cleaned with Medical laboratory CSMLS Guidelines Safety Review questions and answers Grade A+ a.70% isopropyl alcohol. b.1:10 bleach solution. c. soap and water. d. any of the above. - correct answer b.1:10 bleach solution. Which of the following is a proper way to clean up a small blood spill that has dried on a countertop? a. Moisten it with a disinfectant and carefully absorb it with a paper towel. b. Rub it with an alcohol pad, then wipe the area with a clean alcohol pad. c. Scrape it into a biohazard bag and wash the surface with soap and water. d. Use a disinfectant wipe and scrub it in ever- increasing concentric circles. - correct answer a. Moisten it with a disinfectant and carefully absorb it with a paper towel. Distance, time, and shielding are principles of a. BBP safety. b. electrical safety. Medical laboratory CSMLS Guidelines Safety Review questions and answers Grade A+ Which of the following is an example of a blood- borne pathogen? a. Cytomegalovirus b. Group A strep c. TB mycobacterium d. Varicella virus - correct answer a. Cytomegalovirus Which of the following meet the standard definition of an engineering control? a. Self-sheathing needle b. Sharps container c. Splash shield d. All of the above - correct answer d. All of the above The best defense against HBV infection is: a. HBV vaccination. b. Proper hand hygiene. c. Using safety needles. Medical laboratory CSMLS Guidelines Safety Review questions and answers Grade A+ d. Wearing gloves. - correct answer a. HBV vaccination. . Which of the following involves the possibility of a per mucosal BBP exposure? a. Failing to cover broken skin with a bandage b. Getting stuck with a used phlebotomy needle c. Licking the fingers to turn lab manual pages d. Opening blood tubes without a safety shield - correct answer d. Opening blood tubes without a safety shield Proper procedure for cleaning the site of an injury from a contaminated needle includes: a. Cleaning it with povidone-iodine or other antiseptic. b. Squeezing the injured area hard until it bleeds freely. c. Washing it with soap and water for at least 30 seconds. d.. All of the above - correct answer c. Washing it with soap and water for at least 30 seconds. Medical laboratory CSMLS Guidelines Safety Review questions and answers Grade A+ Class "C" fires occur with: a. Ordinary combustibles. b. Flammable liquids. c. Electrical equipment. d. Reactive metals - correct answer c. Electrical equipment. Normally the most effective means of controlling external hemorrhage is: a. Application of a tourniquet b. Applying firm direct pressure. c. Finger pressure over an artery. d. Holding an ice pack on the site. - correct answer c. Finger pressure over an artery. In the NFPA 704 marking system, health hazards are indicated in the: a. Blue quadrant on the left. b. Red quadrant at the top. c. Yellow quadrant on the right. Medical laboratory CSMLS Guidelines Safety Review questions and answers Grade A+ d. Powdered metal - correct answer a. Ordinary combustibles Employees are responsible to: a. Classify hazards b. Prepare SDS sheets c. Provide supplier labels d. Report hazards - correct answer d. Report hazards Under the WHMIS 2015 the following is a signal word: a. Flammable b. Corrosive c. Danger d. Carcinogenic - correct answer c. Danger Which of the following substances is a biocide ? a) Hydrogen peroxide b) Isopropyl alcohol c) Povidone iodine Medical laboratory CSMLS Guidelines Safety Review questions and answers Grade A+ d) All of the options are correct - correct answer d) All of the options are correct Broken glass should be discarded in: a. Regular garbage b. It depends if contaminated with biohazard c. A sharp container d. Biohazard bag - correct answer c. A sharp container LD50 is an expression of a. Corrosivity b. Explosivity c. Flammability d. Toxicity - correct answer d. Toxicity Perhaps the simplest and most important step in the proper handling of any hazardous substance is proper: a. Disposal of a chemical b. Labeling of a substance Medical laboratory CSMLS Guidelines Safety Review questions and answers Grade A+ c. Storage of a substance d. Wearing of heavy rubber gloves - correct answer b. Labeling of a substance Under WHMIS 2015, the above pictogram represents which hazard class? a)Fire b)Oxidizing c)Serious health effects d)Less serious health effects - correct answer d)Less serious health effects Under WHMIS 2015, the above pictogram represents which hazard class? a)Serious infectious material b)Less serious infectious material c)Biohazardous infectious material d)Corrosive infectious material - correct answer c)Biohazardous infectious material