CSMLS MLA Practice Test 1 (Latest Update
) Questions & Answers {Grade
A} 100% Correct
What is the most widely used sterilization method in clinical laboratories?
A.) Autoclaving
B.) Boiling
C.) Chemical Sterilization
D.) Dry Heat Oven
E.) Ionizing Radiation - correct answer A.) Autoclaving
When using the autoclave, you should put sterilization strips:
A.) Close to the air exhaust valve
B.) In the centre of each article
C.) On the bottom shelf of the autoclave
D.) On the outside of each pack
,E.) Outside the autoclave - correct answer B.) In the centre of each article
Which of the following should be observed during incineration?
A.) Disinfect all articles before burning them
B.) Make sure at least three people are present
C.) Make sure complete burning takes place
D.) Make sure the temperature reaches at least 120 degrees Celsius
E.) Sanitize all articles before burning them - correct answer C.) Make sure complete
burning takes place
Which statement about radiation hazards is true?
A.) Large amounts of radiation are used in the RIA department
B.) Radiation accidents may be difficult to recognize
C.) Radiation does not affect a fetus
D.) Radiation guidelines are set by the Food and Drug Act
,E.) Radiation is not transferred into the body - correct answer B.) Radiation accidents
may be difficult to recognize
Acid spills should be neutralized with:
A.) Acetic acid
B.) Boric acid
C.) Potassium chlorate
D.) Sodium bicarbonate
E.) Sodium hydroxide - correct
Acid spills should be neutralized with a weak base (e.g., sodium bicarbonate) and then
cleaned up with a paper towel.
TLV is the concentration of a substance that:
A.) A worker can be exposed to for one hour without adverse effect
, B.) A worker can be exposed to over a working lifetime without adverse effect
C.) Kills all test animals
D.) Kills half of test animals
E.) Makes half of human test subjects sick - correct answer B.) A worker can be
exposed to over a working lifetime without adverse effect
TLV (Threshold Limit Value) is the level that workers can be exposed to daily over a
working lifetime without adverse effects.
Which of these is a good practice when working with strong acids?
A.) Wear eye protection
B.) Wear latex gloves
C.) Wear open-toed shoes
D.) When mixing acid and water, always add the water to the acid. NOT the other way
around. - correct answer A.) Wear eye protection.
*Latex gloves are NOT acid-resistant.
) Questions & Answers {Grade
A} 100% Correct
What is the most widely used sterilization method in clinical laboratories?
A.) Autoclaving
B.) Boiling
C.) Chemical Sterilization
D.) Dry Heat Oven
E.) Ionizing Radiation - correct answer A.) Autoclaving
When using the autoclave, you should put sterilization strips:
A.) Close to the air exhaust valve
B.) In the centre of each article
C.) On the bottom shelf of the autoclave
D.) On the outside of each pack
,E.) Outside the autoclave - correct answer B.) In the centre of each article
Which of the following should be observed during incineration?
A.) Disinfect all articles before burning them
B.) Make sure at least three people are present
C.) Make sure complete burning takes place
D.) Make sure the temperature reaches at least 120 degrees Celsius
E.) Sanitize all articles before burning them - correct answer C.) Make sure complete
burning takes place
Which statement about radiation hazards is true?
A.) Large amounts of radiation are used in the RIA department
B.) Radiation accidents may be difficult to recognize
C.) Radiation does not affect a fetus
D.) Radiation guidelines are set by the Food and Drug Act
,E.) Radiation is not transferred into the body - correct answer B.) Radiation accidents
may be difficult to recognize
Acid spills should be neutralized with:
A.) Acetic acid
B.) Boric acid
C.) Potassium chlorate
D.) Sodium bicarbonate
E.) Sodium hydroxide - correct
Acid spills should be neutralized with a weak base (e.g., sodium bicarbonate) and then
cleaned up with a paper towel.
TLV is the concentration of a substance that:
A.) A worker can be exposed to for one hour without adverse effect
, B.) A worker can be exposed to over a working lifetime without adverse effect
C.) Kills all test animals
D.) Kills half of test animals
E.) Makes half of human test subjects sick - correct answer B.) A worker can be
exposed to over a working lifetime without adverse effect
TLV (Threshold Limit Value) is the level that workers can be exposed to daily over a
working lifetime without adverse effects.
Which of these is a good practice when working with strong acids?
A.) Wear eye protection
B.) Wear latex gloves
C.) Wear open-toed shoes
D.) When mixing acid and water, always add the water to the acid. NOT the other way
around. - correct answer A.) Wear eye protection.
*Latex gloves are NOT acid-resistant.
