Lab Safety

Front 1

1. All of the following are appropriate safety measures to incorporate into laboratory procedures except:

a. select procedures that minimize the use of hazardous chemicals
b. select procedures that reduce the volume of chemicals that require special disposal
c. label all chemicals with hazard information
d. store chemicals in alphabetical order so they can be easily found

Back 1

d. store chemicals in alphabetical order so they can easily found

Front 2

2. Which of the following is true of nitrile gloves?

a. they may cause allergic reactions.
b. they are not resistant to most chemicals.
c. they are not suitable for routine laboratory work.
d. they are good substitute for latex gloves.

Back 2

d. they are good substitute for latex gloves.

Front 3

3. Which is not an appropriate work practice control or exposure control method for working with strong acids?

a. wear a chemical-resistant apron.
b. wear acid-resistant gloves.
c. use a chemical fume hood.
d. wear latex gloves.
e. wear eye protection.

Back 3

d. wear latex gloves.

Front 4

4. When performing laboratory work, all of the following are true concerning handwashing except:

a. wash hands after any laboratory procedure.
b. hand antiseptic is not needed if gloves were worn
c. wash hands before beginning a procedure.
d. wash hands before removing gloves.

Back 4

b. hand antiseptic is needed if gloves were worn.

Front 5

5. Which of the following is a safety rule in the laboratory?

a. wear safety goggles when working with strong chemicals.
b. wipe up spills once at the end of each shift.
c. leave the instrument on when performing repairs.
d. sandals are permitted as long as hose or socks are also worn.

Back 5

a. wear safety goggles when working with strong chemicals.

Front 6

The color red on an NFPA chemical label indicates

Back 6

Fire hazard or flammability

Front 7

The NFPA uses the number "4" to indicate

Back 7

Highest hazard level or deadly

Front 8

If a chemical produces harmful fumes, it should be used only in a(n)

Back 8

Fume hood or chemical hood

Front 9

Mercury is classified as a heavy

Back 9

Metal

Front 10

Workers must complete special radiation training before working with

Back 10

Radioisotopes,radiation,radioactive

Front 11

The digestive tube from the mouth to the anus is called the

Back 11

Alimentary tract

Front 12

A special work cabinet that provides protection while working with infectious materials is a(n)

Back 12

Biological safety cabinet

Front 13

A very fine mist that forms when a liquid is spilled or poured is called a(n)

Back 13

Aerosol

Front 14

A chemical used on living tissue to inhibit the growth of microbes is callled a(n)

Back 14

Antiseptics

Front 15

A risk or hazard to health or the environment from biological agents is a(n)

Back 15

Biohazard

Front 16

A situation, such as a needlestick, in which an individual is exposed to possible infection through contact with body substances from another individual is a(n)

Back 16

Exposure or biological incident

Front 17

The use of available technology and equipment to protect workers from hazards is

Back 17

Engineering

Front 18

The abbreviation used for "other potentially infectious materials " is

Back 18

OPIM

Front 19

The responsibility for identifying empleyees at risk of exposure to blood or OPIM lies with the

Back 19

Employer

Front 20

Pressurized steam for sterilization

Back 20

Autoclave

Front 21

High speed rotation in a closed chamber

Back 21

Centrifuge

Front 22

A substance with the potential to produce cancer in humans or animals

Back 22

Carcinogen

Front 23

Written information that must be supplied by manufacturers of chemicals and hazardous materials

Back 23

MSDS(material safety data sheet)

Front 24

The federal agency that monitors the Occupational Safety and Health Act

Back 24

OSHA(occupational safety and health administration)

Front 25

An agency involved in safety research

Back 25

NIOSH(national institute for occupational safety and health)

Front 26

A chemical substance having the ability to burn or destroy tissue

Back 26

Caustic

Front 27

A comprehensive written safety plan detailing the proper use and storage of hazardous chemicals in the workplace

Back 27

Chemical hygiene plan

Front 28

An act that states that workers have the "right to know" about hazardous conditions in the workplace

Back 28

OSH Act(occupational safety and health)

Front 29

Standard operating procedures

Back 29

SOP

Front 30

The virus that cause hepatitis C

Back 30

HCV(hepatitis C virus)

Front 31

Capable of causing damage or injury to the host

Back 31

Pathogenic

Front 32

Hospital-acquired infection

Back 32

nasocomial

Front 33

A retrovirus that has been identified as the cause of AIDS

Back 33

HIV(human immunodeficiency virus)

Front 34

A method of preventing the spread of disease by separating a person with a contagious or infectious disease from a healthy population

Back 34

Isolation

Front 35

A set of comprehensive safety guidelines designed to protect patients and health care workers

Back 35

Standard precautions

Front 36

Killing or inactivation of living organisms and viruses

Back 36

Sterilization

Front 37

Specific safety practices used in addition to Standard Precautions

Back 37

Transmission Based Precautions

Front 38

1988 Act of U.S. Congress

Back 38

CLIA '88

Front 39

Limited to only blood and body fluids visibly contaminated with blood

Back 39

Universal Precautions

Front 40

Technicians can wear to work whatever jewelry that suits their mood that day

Back 40

False

Front 41

If a worker is careful, it is not necessary to wear a mask and gloves when weighing caustic chemicals

Back 41

False

Front 42

If the instrument cord is out of sight, it does not matter if it is frayed

Back 42

False

Front 43

OSHA is the federal agency that creates workplace safety regulations

Back 43

True

Front 44

The National Institute for Occupational Safety and Health(NIOSH) is involved in overseeing clinical laboratory operations and enforcing safety regulations.

Back 44

False-(OSHA)

Front 45

In 1991 OSHA issued the Bloodborne Pathogen Standard with the primary purpose of reducing or eliminating occupational exposure to HIV, HCV, and HBV

Back 45

True

Front 46

An aerosol is a liquid in the form of a very fine mist

Back 46

True

Front 47

A special cabinet that provides protection while working with infectious microorganisms is called a fume hood.

Back 47

False-(Laminar Flow Hood)

Front 48

Hepatitis B virus can be transmitted by contact with infected blood or other body fluids

Back 48

True

Front 49

A disinfectant is used to kill or inactivate microbes on the skin

Back 49

False-(not on skin)

Front 50

Universal Precautions are more comprehensive than Standard Precautions.

Back 50

False-(same)

Front 51

Under Standard Precautions,protective barriers must be used to protect eyes and mucous membranes.

Back 51

True

Front 52

Hands should be washed before donning gloves and after removal of gloves.

Back 52

True

Front 53

List 6 examples of biological hazards

Back 53

semen,body fluids,blood,feces,urine,sputum,CSF,vaginal secretions,pericardial fluids,synovial fluids,pleural fluids,amniotic fluid

Front 54

OSMT

Back 54

Ontario Society of Medical Technologist

Front 55

CMLTO

Back 55

College of Medical Laboratory Technologists of Ontario

Front 56

CSMLS

Back 56

Canadian Society for Medical Laboratory Science

Front 57

CDC

Back 57

Centers for Disease Control and Prevention

Front 58

WHMIS

Back 58

Workplace Hazardous Materials Information System

Front 59

6. 1% Hypochlorite

a. is a sterilizing agent
b. will destroy all viruses
c. is ineffective agent spore forming bacteria
d. can disinfect metal surfaces if a water rinse is done
e. two of the above

Back 59

e. two of the above-(c and d)

Front 60

7. Which of the following solutions is used to clean up biohazardous spill?

a. Dettol
b. Lysol
c. 70% ethyl alcohol
d. Iodine
e. 1 % hypochlorite

Back 60

e. 1% Hypochlorite

Front 61

8. All of the following are safety terms except:

a. MSDS
b. BSP
c. TLV
d. FOB
e. SP

Back 61

d. FOB(fecal occult blood)

Front 62

9. What type of fire extinguisher would be used if the chemical Xylene caught on fire?

a. Type A
b. Type B
c. Type C
d. Type D
e. Type E

Back 62

b. Type B

Front 63

10. Which statement or statements is true regarding a radiation hazard?

a. Radiation guidelines are set by the Food and Drug Act
b. Radiation exposure depends on material,distance and time
c. Radiation only affects a fetus in the last two months of pregnancy
d. Radiation is monitored using a Geiger Mueller counter
e. Radiation is a biological hazard
f. two of the above

Back 63

f. two of the above-(b and d)

Front 64

11. The cabinet giving the highest personal,environmental and specimen protection is a?

a. Class IV Biological Safety Cabinet
b. Class III Biological safety Cabinet
c. Class II Biological safety cabinet
d. Class I Biological safety cabinet
e. Fume Hood

Back 64

b. Class III Biological safety cabinet

Front 65

12. A patient with lung cancer is receiving chemotheraphy. He would be hospitalized in:

a. enteric isolation
b. respiratory isolation
c. reverse isolation
d. strict isolation
e. a standard ward setting

Back 65

c. reverse isolation

Front 66

13. All of the ff. are required when tending to a patient in enteric isolation except:

a. mask
b. gown
c. sterile equipment
d. gloves
e. two of the above

Back 66

e. two of the above-(a and c)

Front 67

14. Glacial acetic acid is never stored in

Back 67

refrigerator

Front 68

15. Which of the ff is a mutagenic/clastogenic reagent?

a. crystal violet
b. picric acid
c. zenker's fluid
d. brazil fixative
e. drabkin's reagent

Back 68

a. crystal violet

Front 69

16. Which of the ff reagents is potentially explosive?

a. crystal violet
b. picric acid
c. zenker's fluid
d. brazil fixative
e. two of the above

Back 69

e. two of the above-(b and d)

Front 70

17. A used needele is discarded in:

a. regular garbage
b. glass disposal bucket
c. biohazard sharps container
d. biohazard autoclave bag
e. javex bottle

Back 70

c. biohazard sharps container

Front 71

Criteria for acceptable biohazard sharps container

Back 71

- labelled with biohazard symbol(yellow)
-lids that can be tightly secured
-puncture proof
-leak proof

Front 72

Criteria for acceptable autoclave bag

Back 72

- made of strong plastic
- with stands heat
- excellent barrier against bacteria during storage

Front 73

List 4 ways that aerosols can be produced:

Back 73

-inserting a hot loop into a culture
-Flaming an inoculation loop
-centrifugation
-opening a tube

Front 74

Is used to rinse the eyes if it has been exposed to a strong acid

Back 74

water

Front 75

Who is responsible for preparing an MSDS for hazardous substance used in the workplace?

Back 75

Factory,supplier

Front 76

What piece of equipment will protect you from Biological Hazards

Back 76

Biological safety cabinet

Front 77

What piece of equipment will protect you from Chemical Hazards

Back 77

Fume hood

Front 78

List 4 criteria necessary to balance a centrifuge:

Back 78

- identical size(tube)
- same volume
- opposite
-same kind(tube)

Front 79

List 3 insidious hazards

Back 79

- aerosols
- radiation
- carcinogen and mutagen
-fumes

Front 80

Name 2 pieces of equipment to heat flammable solvents:

Back 80

- water bath
- hot plate

Front 81

Name 3 common corrosive substances:

Back 81

- HCl
- Nitric acid
- Sulfuric acid
- Acetic acid
- Hydrosulfuric acid
- Hydroflouric acid

Front 82

18. Toxic substances:

a. are not harmful
b. interfere with normal cell function
c. interact chemically with the cells
d. may cause death
e. b,c,d are correct

Back 82

e. b,c,d are correct

Front 83

19. Reactive substances:

a. may explode
b. may ignite or burn
c. may give off poisonous
d. may cause serious burns
e. all of the above

Back 83

e. all of the above

Front 84

20. Flammable substances:

a. ignite at temperatures below 37.8 C
b. ignite at temperatures above 37.8 C
c. must be stored in a safety can or cabinet
d. must be identified as flammab
le
e. a,c, and d are correct
d. b and c are correct

Back 84

e. a,c and d are correct

Front 85

21. Cumbustible substances :

a. have a flash point below 37.8 C
b. have a flash point above 37.8
c. must be stored in a safety can or cabinet
d. are not dangerous
e. a,c and d are correct
f. b and c are correct

Back 85

f. b and d are correct

Front 86

22. Which of the ff is/are protective equipment?

a. gloves
b. goggles
c. lab coat
d. mouth mask
e. fume hood
f. all of the above

Back 86

f. all of the above