laboratory assistant / aide and laboratory waste management

Question 1

assistant have jo assignments that vary from one institution to another

Answer 1

laboratory assistant

Question 2

Functions of a Laboratory Assistant/Aide include what?

Answer 2

a.) washes laboratory glassware
b.) cleans laboratory workbenches
c.) helps in mixing chemical solutions
d.) segregates laboratory wastes
e.) restocks the laboratory supplies
f.) operates autoclaves
g.) maintains the cleanliness of laboratory equipment and the laboratory in general

Question 3

laboratory assistant work description

Answer 3

a.) Receptionist in the reception area
b.) Laboratory aide in testing areas

Question 4

Laboratory glasswares should be?

Answer 4

a.) clean
b.) sterile
c.) grease-free

Question 5

should be rinsed using running tap water. Rinse with distilled water or use a large bath of distilled water.

Answer 5

glassware

Question 6

should be rinsed by allowing the tap water to run into and over them and partly filling each piece with water, shake, and empty for about six (6) times.

Answer 6

Test tubes, graduated cylinders, and flasks

Question 7

should be rinsed by attaching a piece of tubing to the faucet, then connecting the delivery end to allow water to run through them.

Answer 7

pipets

Question 8

method of drying that places baskets with mouths downward

Answer 8

air-dried

Question 9

are dried by standing them on a folded towel

Answer 9

pipets and cylinders

Question 10

should be lined with a clean cloth

Answer 10

drying basket

Question 11

should not be stored in flasks

Answer 11

alkaline liquids

Question 12

should be clutter-free

Answer 12

floor

Question 13

should be returned to their designated places after use

Answer 13

Materials

Question 14

The laboratory exit floor plan should have how many passageways

Answer 14

two clear passageways

Question 15

boxes should be accessible and strategically placed.

Answer 15

a.) Safety showers
b.) eyewashes
c.) fire extinguishers
d.) electrical control boxes

Question 16

should be placed near the
door

Answer 16

fire extinguishers

Question 17

should be maintained and filled with water

Answer 17

Sink traps and floor drains

Question 18

should be placed away from any edges

Answer 18

Bench apparatus

Question 19

The cleaning of the lab area should be

Answer 19

scheduled

Question 20

are kept free from visible contamination

Answer 20

Bench tops and liners

Question 21

kept closed and passageways should be free from obstructions

Answer 21

doors and drawers

Question 22

solution for daily
cleaning.

Answer 22

1 % sodium hypochlorite solution

Question 23

Add 10 mL of sodium hypochlorite solution
to how many mL of water.

Answer 23

1000 mL

Question 24

what are the disinfectants in laboratory

Answer 24

a.) 1 % sodium hypochlorite solution
b.) 70% ethanol
c.) Lysol (5% phenolic solution)

Question 25

should be worn when cleaning the area

Answer 25

PPE

Question 26

poured and spread on the work surface with paper towel

Answer 26

5% Lysol solution

Question 27

Cleaning the ultrasonic water bath uses what solution?

Answer 27

hypochlorite (bleach) solution

Question 28

Cleaning the racks and tubes on a weekly basis uses what solution

Answer 28

5% Lysol

Question 29

The racks for the molecular testing are cleaned after use is cleansed by

Answer 29

1% sodium hypochlorite (bleach) solution.

Question 30

is the pollution prevention and source reduction

Answer 30

Green chemistry

Question 31

should not only focus on minimizing the potential hazardous risk but also consider minimizing the impact of the disposal of waste materials on the environment by following these four tiers of strategic hierarchy

Answer 31

waste management plan

Question 32

recycling chemicals and recover energy from waste is a method of

Answer 32

recycle/recycling

Question 33

what are incineration, land disposal, and other treatment methods identified as?

Answer 33

Environmental fate of the waste

Question 34

primary consideration of waste disposal; clear plan for the disposal of hazardous and non-hazardous materials

Answer 34

safety

Question 35

temporary storage for waste in the laboratory

Answer 35

satellite accumulation area

Question 36

have different categories and corresponding safety precautions and follow an appropriate disposal method.

Answer 36

waste materials

Question 37

must be closed at all times except when physically adding waste

Answer 37

containers

Question 38

must be labeled with all chemical constituents

Answer 38

containers

Question 39

are used for spills and leakages from any primary container

Answer 39

Secondary containment devices

Question 40

Waste materials in the satellite accumulation should not be kept for how long

Answer 40

more than a year

Question 41

waste exceeding how many gallons should be managed within 3 days?

Answer 41

55 gallons

Question 42

containers could be plastic, glass or metal

Answer 42

chemical waste

Question 43

examples of solid wastes from patients with infectious disease

Answer 43

a.) dressings b.) swabs c.) blood bags d.) urine bags e.) sputum cups

Question 44

examples of liquid wastes from patients with infectious disease

Answer 44

a.) feces b.) urine c.) blood or other body secretions

Question 45

wastes from the patients with infectious disease

Answer 45

infectious waste

Question 46

Tissue sections and body material derived from biopsies or surgical procedures

Answer 46

pathological waste

Question 47

Recognizable body parts usually from amputation procedures

Answer 47

Anatomical waste

Question 48

Biological fluids from patients treated with the said drugs

Answer 48

Pharmaceutical Waste

Question 49

pH of corrosive chemicals

Answer 49

between 2 to 12

Question 50

flashpoint of flammable chemicals

Answer 50

below 600 celsius

Question 51

Excreta of patients who underwent radionuclide diagnostic and therapeutic applications

Answer 51

Radioactive Wastes

Question 52

Color of Bin/Liner of Infectious waste

Answer 52

Yellow

Question 53

Color of Bin/Liner of Pathological and Anatomic

Answer 53

Yellow

Question 54

Color of Bin/Liner of sharps

Answer 54

Red w/o liner

Question 55

Color of Bin/Liner of chemical waste

Answer 55

Yellow w/ black band

Question 56

Color of Bin/Liner of Pharmaceutical Waste

Answer 56

Yellow w/ black band

Question 57

Color of Bin/Liner of general Waste

Answer 57

Black or colorless : non-biodegradable Green : biodegradable

Question 58

Color of Bin/Liner of radioactive Waste

Answer 58

orange

Question 59

process of changing the biological and chemical characteristics of waste to minimize its potential to cause harm

Answer 59

treatment

Question 60

rely on heat to destroy pathogens

Answer 60

thermal process

Question 61

usually use for infectious waste

Answer 61

thermal process

Question 62

Thermal decomposition of health care wastes

Answer 62

pyrolysis

Question 63

Absence of supplied molecular oxygen in the destruction chamber

Answer 63

pyrolysis

Question 64

Waste is converted into gaseous, liquid or solid form

Answer 64

pyrolysis

Question 65

Residues are disposed in a landfill

Answer 65

pyrolysis

Question 66

Use of steam sterilization

Answer 66

autoclave

Question 67

heat pressure of autoclave

Answer 67

121 °C heat pressure of 15 psi

Question 68

how long is autoclave done

Answer 68

15-30 mins

Question 69

temperature used in microwave

Answer 69

100 °C

Question 70

how long is microwave done

Answer 70

30 minutes

Question 71

are destroyed by heat which coagulates and denatures enzymes and proteins

Answer 71

microwave

Question 72

Uses enzyme mixture to decontaminate health care waste

Answer 72

Biological process

Question 73

Breaks down the DNA molecules of the microorganism

Answer 73

Radiation Technology

Question 74

Filling up of containers with waste, adding immobilizing material, then sealing the container

Answer 74

Encapsulation

Question 75

typically done on pharmaceutical wastes

Answer 75

Encapsulation

Question 76

pharmaceuticals ground then mix with water, cement and lime to form a homogenous paste

Answer 76

inertization

Question 77

Engineered site designed to keep waste isolated from the environment

Answer 77

sanitary landfill

Question 78

disposal of treated infectious wastes, sharps, pathological and anatomical wastes

Answer 78

safe burial

Question 79

disposal for sharps and syringes

Answer 79

septic or concrete vaults

Question 80

specimen retention for Serum/CSF/body fluids

Answer 80

48 hours

Question 81

specimen retention for urine

Answer 81

24 hours

Question 82

specimen retention for Blood/fluid smears

Answer 82

7 days

Question 83

specimen retention for Microbiology-stained slides

Answer 83

7 days

Question 84

specimen retention for Surgical pathology slides

Answer 84

10 years