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