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Exam > Safety Manual > Flashcards

Safety Manual Flashcards

1
Q

Recommended solution to disinfect a microscope with

A

1:16 sporicidin solution

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2
Q

What type of detergent can be added to a water bath to prevent contamination?

A

Phenolic detergent

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3
Q

An emergency wash device should be able to provide a flow of water for a period of:

a. 15 mins
b. 60 s
c. Eternity
d. 10 mins

A

a. 15 mins

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4
Q

Tepid water is:

a. Cold
b. Hot
c. Between 12 and 16 degC
d. Between 16 and 38 degC

A

d. Between 16 and 38 degC

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5
Q

Can combine with copper in a drain, resulting in a potentially explosive compound

A

Sodium azide

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6
Q

Autoclave pressure

A

103.4 kPa

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7
Q

Name 5 categories of hazards

A

Chemical, biological, physical, ergonomic, psychological

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8
Q

A lab ventilation system should be designed and adjusted to maintain the lab under:

a. Negative pressure
b. Neutral pressure
c. Positive pressure
d. Variable pressure

A

a. Negative pressure

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9
Q

3 major elements of WHMIS:

a. SDS, training, PPE
b. Labels, training, SDS
c. SDS, inventory control, PPE
d. Training, PPE, labels

A

b. Labels, training, SDS

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10
Q

WHMIS 2015 has how many major hazard groupings

A

3

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11
Q

What is the lowest current (from a 110 volt power source) that has the potential to cause a fatality?

a. 15 amperes
b. 250 milliamperes
c. 15 milliamperes
d. 250 amperes

A

c. 15 milliamperes

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12
Q

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
d. All of the above

A

b. Who should implement additional controls

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13
Q

Disinfectant to use after cutting a suspected CJD specimen on the cryostat

A

Sodium hydroxide

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14
Q

T/F

It is advisable to send out hazardous wastes as infrequently as possible

A

False

Send frequently

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15
Q

2 most common errors workers make with respect to PPE?

A

Not wearing PPE when indicated

Self-contamination during PPE removal

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16
Q

Recommended face velocity for a fume hood:

a. 50 m/s
b. 0.5 m/s
c. 50 ft/min
d. 0.5 ft/min

A

b. 0.5 m/s

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17
Q

Which of the following factors do not determine if an infection will occur as a result of an exposure to an aerosol:

a. The persistence of the aerosol
b. The susceptibility of the individual
c. The viability of the organisms
d. The risk level of the organism

A

d. The risk level of the organism

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18
Q

Which of the following diseases is a risk for animal care workers as well as expectant mothers handling domestic cat litter at home?

a. Human parvovirus
b. Rubella
c. Hepatitis B
d. Toxoplasmosis

A

d. Toxoplasmosis

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19
Q

What to use for highly concentrated spills of biological agents?

A

Peroxyacetic acid mixed w/ H2O2

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20
Q

How many castors should chairs have for maximum stability?

A

5

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21
Q

Which class of fire extinguishers do you use for flammable metals

A

Class D

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22
Q

Class B fire extinguishers are effective against?

A

Liquid fuels (organic solvents, oils)

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23
Q

T/F

WHMIS labels are not required on hazardous wastes.

A

True

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24
Q

T/F

In the event someone ingests a poison, you should induce vomiting.

A

False

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25
Q

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

A

d. General ventilation

26
Q

What do you routinely use to disinfect a cryostat

A

100% alcohol

27
Q

May be detected as vapour emanating from drain traps many years after use

A

Mercury

28
Q

WHMIS labels do not include:

a. Supplier labels
b. Consumer labels
c. Workplace labels
d. Risk phrases

A

b. Consumer labels

29
Q

Designed to provide a controlled flow of water to a portion of the body at a velocity low enough to be non-injurious to the user

A

Drench hose

30
Q

A carbon dioxide extinguisher is effective against which class(es) of fire?

A

B, C

31
Q

Very FIRST thing you do after a needlestick injury

A

Cleanse with soap and water

32
Q

Autoclave temperature

A

121 degC

33
Q

T/F

It is required that emergency wash devices have a drain.

A

False

34
Q

Steps involved in changing activities, moving out of a lab or closing a lab altogether to make sure the lab is certified and safe for its new use

A

Decommissioning

35
Q

Hierarchy of controls from most effective to least

A

Engineering > Administrative > PPE

36
Q

When decontaminating surfaces where work with radioactive materials was done, the activity level on surfaces should be reduced to:

a. 2x background level
b. At or near background
c. Not relevant, it will decay
d. Zero

A

b. At or near background

37
Q

A water type fire extinguisher is effective on which class(es) of fire?

A

Only A

38
Q

What should be worn when changing a cryostat knife blade?

A

Metal mesh gloves

39
Q

A cryogenic liquid is any liquid at a temperature below:

a. The freezing point of water
b. -150 degC
c. -273.3 degC
d. -73.3 degC

A

d. -73.3 degC

40
Q

T/F

Labeling of wastes is unimportant since they are being discarded anyways

A

False

41
Q

T/F

A fixed-position face shield may be used any time eye protection is required

A

False

42
Q

Technostress can be a result of:

a. Too many long hours in front of the computer monitor
b. Introducing technological change into the lab
c. Long hours as a lab professional
d. Using old equipment

A

b. Introducing technological change into the lab

43
Q

Radioisotope that should be shielded by Plexiglass and NOT lead:

a. Phosphorus-32
b. Carbon-14
c. Tritium
d. Iodine-125

A

a. Phosphorus-32

44
Q

This should be worn when using a freezing microtome to avoid exposure to lyophilized tissue dusts

A

Surgical mask

45
Q

Autoclave - minimum operating time

A

15 mins or more

46
Q

If this chemical condenses in the lining of a fume hood duct, it can leave behind explosive crystals

A

Perchloric acid

47
Q

Which class of fire extinguishers do you use for electrical fires

A

Class C

48
Q

Which type of radioactive particles presents the greatest risk once inside the body?

a. Alpha
b. Gamma
c. Beta
d. Delta

A

a. Alpha

49
Q

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

A

a. At all times

50
Q

At what classification level do lasers present a risk of eye injury from a reflected beam?

a. I
b. II
c. IIIA
d. IIIB

A

d. IIIB

51
Q

Which type of ionizing radiation is the most penetrating?

a. Gamma rays
b. Alpha particles
c. Beta particles
d. Neutrons

A

a. Gamma rays

52
Q

These are designed to capture heat or contaminants from machines or processes

A

Canopy hood

53
Q

The systematic process of verifying that each and every physical component of the lab has been designed and installed according to regulations, safety standards, etc.

A

Commissioning

54
Q

Other types of hazardous waste are regulated:

a. Federally
b. Provincially
c. At the municipal level
d. None of the above

A

b. Provincially

55
Q

Fire extinguisher type that is the most versatile, but leaves a mildly corrosive powder which must be cleaned

A

A-B-C dry chemical

56
Q

In risk assessment, the degree of harm or injury that may result from an exposure is:

a. Probability
b. Degree of Damage (DoD)
c. Severity
d. Frequency

A

c. Severity

57
Q

If radioactive materials are used, lab decommissioning is a legal requirement of:

a. The Health and Safety Commission
b. The Canadian Nuclear Safety Commission
c. The Canadian Commissioning Commission
d. The Canadian Centre for Occupational Health and Safety

A

b. The Canadian Nuclear Safety Commission

58
Q

2 ‘signal words’ that may appear on supplier labels?

A

Warning and Danger

59
Q

This chemical should NOT be used as a disinfectant in a water bath because it creates an explosion hazard

A

Sodium azide

60
Q

What do each letters in the PASS technique stand for

A

Pull, aim, squeeze, sweep

Exam (3 decks)

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