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CSMLS MLA PRACTICE TEST 1 EXAM WITH QUESTIONS AND ANSWERS.d
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CSMLS MLA PRACTICE TEST 1 EXAM WITH QUESTIONS AND ANSWERS.
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CSMLS MLA PRACTICE TEST 1 EXAMWITH QUESTIONS AND ANSWERS
Sterilization by dry heat is performed at how many degrees Celsius?
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A.) 100
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B.) 170
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C.) 240
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D.) 310
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E.) 380 - correct answer-B.) 170
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Dry heat sterilization is generally done at 160-170 degrees Celsius
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What is the most widely used sterilization method in clinical laboratories?
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A.) Autoclaving
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B.) Boiling
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C.) Chemical Sterilization
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D.) Dry Heat Oven
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E.) Ionizing Radiation - correct answer-A.) Autoclaving
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When using the autoclave, you should put sterilization strips:
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A.) Close to the air exhaust valve
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B.) In the centre of each article
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C.) On the bottom shelf of the autoclave
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D.) On the outside of each pack
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E.) Outside the autoclave - correct answer-B.) In the centre of each article
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Which of the following should be observed during incineration?
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A.) Disinfect all articles before burning them
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B.) Make sure at least three people are present
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C.) Make sure complete burning takes place
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D.) Make sure the temperature reaches at least 120 degrees Celsius
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E.) Sanitize all articles before burning them - correct answer-C.) Make sure complete
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burning takes place
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,Which statement about radiation hazards is true?
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A.) Large amounts of radiation are used in the RIA department
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B.) Radiation accidents may be difficult to recognize
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C.) Radiation does not affect a fetus
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D.) Radiation guidelines are set by the Food and Drug Act
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E.) Radiation is not transferred into the body - correct answer-B.) Radiation
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accidents may be difficult to recognize
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Acid spills should be neutralized with:
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A.) Acetic acid
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B.) Boric acid
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C.) Potassium chlorate
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D.) Sodium bicarbonate
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E.) Sodium hydroxide - correct answer-D.) Sodium bicarbonate
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Acid spills should be neutralized with a weak base (e.g., sodium bicarbonate) and
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then cleaned up with a paper towel.
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TLV is the concentration of a substance that:
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A.) A worker can be exposed to for one hour without adverse effect
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B.) A worker can be exposed to over a working lifetime without adverse effect
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C.) Kills all test animals
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D.) Kills half of test animals
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E.) Makes half of human test subjects sick - correct answer-B.) A worker can be
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exposed to over a working lifetime without adverse effect
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TLV (Threshold Limit Value) is the level that workers can be exposed to daily over a
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working lifetime without adverse effects.
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Which of these is a good practice when working with strong acids?
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A.) Wear eye protection
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B.) Wear latex gloves
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C.) Wear open-toed shoes
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D.) When mixing acid and water, always add the water to the acid. NOT the other
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way around. - correct answer-A.) Wear eye protection.
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*Latex gloves are NOT acid-resistant.
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**You should NEVER add water to acid because this could cause the acid to boil
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violently.
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Red on an NFPA chemical label indicates a:
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A.) Acid hazard
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B.) Carcinogen
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C.) Fire Hazard
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D.) Fume Hazard
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E.) Poison Hazard - correct answer-C.) Fire Hazard
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Red = Fire Hazard
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Blue = Health Hazard
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Yellow = Reactivity/Instability Hazard
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White = Specific/Special Hazard
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What is the term for chemical that can burn or destroy tissue?
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A.) Cancerous
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, B.) Caustic
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C.) Magnetic
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D.) Pathogenic
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E.) Poisonous - correct answer-B.) Caustic
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What type of filter is used tin biological safety cabinets?
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A.) Charcoal
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B.) Electrostatic
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C.) Fiberglass
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D.) HEPAv
E.) UV Light - correct answer-D.) HEPA
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*High Efficiency Particulate Air (Filter)
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Class B fires occur with:
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A.) Electrical equipment
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B.) Flammable liquids
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C.) Glassware
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D.) Ordinary combustibles
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E.) Reactive metals - correct answer-B.) Flammable liquids
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*Class A = Ordinary combustible materials
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**Cass B = Flammable liquids/gases
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***Class C = Electrical equipment
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****Class D = Flammable metallic substances (e.g., Na and K)
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Class II(2) Biological Specimen containment should be performed in:
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A.) A class 1 biosafety cabinet
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B.) A class 2 biosafety cabinet
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C.) A class 3 biosafety cabinet
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D.) A laminar flow hood - correct answer-B.) A class 2 biosafety cabinet
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What does WHMIS stand for?
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A.) Women's Health and Maternity Inservice System
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B.) Workplace Hazardous Materials Information System
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C.) Workplace Health Monitoring and Informational Services
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D.) World Health Messages for the Informed Society
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E.) World Human Meningitis Infection Surveillance - correct answer-B.) Workplace
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Hazardous Materials Information System
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*WHMIS is Canada's national hazard communication standard.
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Which of these is a strong acid?
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A.) Acetic Acid
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B.) Carbonic Acid
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C.) Nitrous Acid
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D.) Pyruvic Acid
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E.) Sulfuric Acid - correct answer-E.) Sulfuric Acid
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*There are only SEVEN strong acids: hydrochloric acid, nitric acid, sulfuric acid,
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hydrobromic acid, hydroiodic acid, perchloric acid and chloric acid.
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In which of these situations should safety goggles be worn?
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A.) During blood collections
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