Laboratory Safety and Waste Disposal

Question 1

it is a source or a situation with a potential for causing harm

Answer 1

hazard

Question 2

it is the potential that a chosen action will lead to an undesirable outcome

Answer 2

risk

Question 3

what are the different types of hazard

Answer 3

physical
biological
chemical
electrical
fire/ explosive
sharp
radioactive

Question 4

identify the type of hazard:
infectious agent

Answer 4

biological hazard

Question 5

identify the type of hazard:
preservatives and reagents

Answer 5

chemical hazard

Question 6

identify the type of hazard:
undergrounded or wet equipment and frayed cords

Answer 6

electrical hazard

Question 7

identify the type of hazard:
wet floors, heavy boxes and patients

Answer 7

physical hazard

Question 8

identify the type of hazard:
needles, lancets and broken glass

Answer 8

sharp hazard

Question 9

identify the type of hazard:
equipment and radioisotopes

Answer 9

radioactive hazard

Question 10

identify the type of hazard:
open flames and organic chemicals

Answer 10

fire/ explosive hazard

Question 11

identify the possible injury of biological hazard

Answer 11

bacterial
fungal viral
parasitic infections

Question 12

identify the possible injury of physical hazard

Answer 12

falls, sprain

Question 13

identify the possible injury of chemical hazard

Answer 13

exposure to agents that are poisonous etc

Question 14

identify the possible injury of electrical hazard

Answer 14

burns or shocks

Question 15

identify the possible injury of fire/explosive hazard

Answer 15

burns or dismemberment

Question 16

identify the possible injury of sharp hazard

Answer 16

cuts, punctures

Question 17

identify the possible injury of radioactive hazard

Answer 17

damage to fetus or generalized overexposure to radiation

Question 18

it is known as a potential source of harm caused by biological materials

Answer 18

biological hazard

Question 19

infection transmission requires the presence of certain components, which make up what is referred to as the _____________

Answer 19

chain of infection

Question 20

it is the transmission of the agent from its reservoir through the portal of exit then enters through the porta of exit to infect a susceptible host

Answer 20

the chain of infection

Question 21

the flow of the chain of infection

Answer 21

infectious agent > reservoir > portal of exit > mode of transmission > portal of entry > susceptible host

Question 22

examples of infectious agent in the chain of infection

Answer 22

bacteria
fungi
parasites
virus

Question 23

examples of reservoir in the chain of infection

Answer 23

human
animal
insects
body fluids
blood

Question 24

examples of portal exit in the chain of infection

Answer 24

nose
mouth
mucous membrane
specimen collection

Question 25

examples of mode of transmission in the chain of infection

Answer 25

droplet airborne contact airborne vehicle

Question 26

examples of portal of entry in the chain of infection

Answer 26

nose mouth mucous membrane skin unsterile equipment

Question 27

examples of susceptible host in the chain of infection

Answer 27

patients elderly newborns immuno-compromised healthcare workers

Question 28

how to break the link for infectious agent

Answer 28

early detection treatment of infectious agents

Question 29

how to break the link for reservoir

Answer 29

disinfection hand hygiene

Question 30

how to break the link for portal of exit

Answer 30

hand hygiene standard precautions sealed biohazardous waste containers sealed specimen containers

Question 31

how to break the link for mode of transmission

Answer 31

hand hygiene standard precautions PPE patient isolation

Question 32

how to break the link for susceptible host

Answer 32

immunization patient isolation healthy lifestyle

Question 33

it includes guidelines designed to protect laboratory personnel from potential hazards in the clinical laboratory

Answer 33

laboratory safety

Question 34

what are the agencies involves in the design of laboratory safety and guidelines

Answer 34

OSHA - occupational safety and health administration CDC - centers for disease of control and prevention CLSI - clinical and laboratory standards institute

Question 35

it ensures safe and healthy working conditions for workers by setting and enforcing standards and by providing training, outreach, education and assistance

Answer 35

OSHA

Question 36

it provides the guidelines for writing standard procedures and policies

Answer 36

CLSI

Question 37

a federal agency that conducts and support health promotion, prevention and preparedness activities

Answer 37

CDC

Question 38

UP is developed in _____ by _____ in response to the increase in blood- borne diseases

Answer 38

1985 CDC

Question 39

BSI

Answer 39

body substance isolation

Question 40

US

Answer 40

universal precautions

Question 41

true or false UP and BSI assumes that all blood and most body fluids were potentially infectious

Answer 41

true

Question 42

which infection control system went beyond UP by requiring personnel to wear gloves when in contact with any substances

Answer 42

body substance isolation

Question 43

standard precautions were released by ____ in ____

Answer 43

1996 CDC

Question 44

it combines the recommendations of universal precautions with body substance isolation

Answer 44

standard precautions

Question 45

occupational exposure to bloodborne pathogens standard was first published by _____ in _____ to protect healthcare workers from exposure to bloodborne pathogens

Answer 45

OSHA 1991

Question 46

any accidental incident should be evaluated right away to ensure appropriate postexposure prophylaxis is initiate within ______

Answer 46

24 hours

Question 47

what are the 5 major categories of measure for controlling biological rish in laboratory

Answer 47

elimination substitution engineering controls administrative controls PPE

Question 48

identify the mitigation control measures: physically remove the hazard

Answer 48

elimination

Question 49

identify the mitigation control measures: replace the hazard

Answer 49

substitution

Question 50

identify the mitigation control measures: isolate people from the hazard

Answer 50

engineering controls

Question 51

identify the mitigation control measures: change the way people work

Answer 51

administrative controls

Question 52

identify the mitigation control measures: protect the worker with PPE

Answer 52

personal protective equipment

Question 53

it is a specialized clothing or equipment worn by an employee for identify the mitigation control measures protection against infectious agent

Answer 53

personal protective equipment

Question 54

what is the most recommended glove. explain

Answer 54

nitril gloves more durable and hypoallergenic

Question 55

what are the 2 types of lab coat and gowns

Answer 55

front button cotton lab gown rear fastening lab gown

Question 56

when to wear the front button cotton lab gown

Answer 56

when dealing with less hazardous reagent

Question 57

when to wear the rear fastening lab gown

Answer 57

when dealing with potentially infectious agent

Question 58

it protects the personnel from potential splash to eyes/ face during procedures such as spill clean up, invasive procedures and other high risk activities

Answer 58

face shields/ googles

Question 59

it s required when entering the rooms of patients with pulmonary tuberculosis and other diseases with airborne transmission

Answer 59

respirators

Question 60

true or false respirator must fit snuggly with no air leaks

Answer 60

true

Question 61

NIOSH

Answer 61

national institute for occupational safety and health

Question 62

NIOSH-approved respirator is the ____

Answer 62

N95

Question 63

it is the single most important way to prevent the spread of infection

Answer 63

hand hygiene

Question 64

hand hygiene includes

Answer 64

hand washing alcohol- based hand cleaners

Question 65

how many seconds at least for handwashing

Answer 65

at least 30 seconds

Question 66

alcohol-based hand cleaners concentration is used for disinfection and antiseptic is ____

Answer 66

70%

Question 67

all needles and sharps must be placed in _________ labeled or color coded as __________

Answer 67

puncture-resistant, leakproof containers labeled or color coded as biohazard

Question 68

the sharp's container is denoted by the symbol _______

Answer 68

biohazard with a red background

Question 69

chemicals that produce a toxic or irritant vapor must be used only in an approved _________

Answer 69

chemical fume hood

Question 70

OSHA under its hazard communication standard mandates chemical manufactures, distributors or importers to supply customer with with a ...

Answer 70

globally harmonized system (GHS) standardized 16-section safety data sheet

Question 71

exposures to radiation depends on the combination of ____, ______ and ______

Answer 71

time distance shieldinng

Question 72

it checks the radiation of a personnel

Answer 72

dosimeter badge

Question 73

RACE

Answer 73

rescue alarm contain evacuate/ extinguish

Question 74

RACE is being followed when a ____ is discovered

Answer 74

fire

Question 75

repetitive tasks performed in the laboratory can put stress on the body causing disorders in postures or position

Answer 75

ergonomic hazards

Question 76

it refers to the waste generated as a result of patient diagnoses, treatment, or immunization of human beings or animals

Answer 76

medical waste

Question 77

what are the 3 types of form of medical waste

Answer 77

solid liquid sharps

Question 78

what are the components of waste management

Answer 78

packaging segregation storage and transport treatment treated biological waste

Question 79

true or false colder temperature cause higher rates of microbiological growth and putrefaction resulting in odor problems

Answer 79

false - warm temperature

Question 80

true or false waste management: under storage and transport, it is only transported by wheeled trolleys/ containers/ carts

Answer 80

true

Question 81

which treatment is preferred treatment for liquid wastes

Answer 81

chemical disinfection

Question 82

waste is burned at very high temperatures

Answer 82

incineration

Question 83

it is a preferred treatment for liquid waste

Answer 83

chemical disinfection

Question 84

what is the universal precaution

Answer 84

hand washing

Question 85

this information describes the hazards of the chemical, the PPE required and the body organs that could be adversely affected following exposure to the chemical

Answer 85

materials safety data sheet (MSDS)

Question 86

NFPA

Answer 86

national fire protection association

Question 87

what are the 4 hazardous materials classification

Answer 87

health hazard fire hazard sepcific hazard reactivity

Question 88

what are the steps of hand washing

Answer 88

wet hands with warm water apply soap rub, create friction, loosen debris clean betewwn fingers / thumbs nd up to the wrists rinse in a downward posistion dry with a paper towel turn off faucet with a paper towel