Lab Seaftey

Question 1

4 things that create aerosols

Answer 1

uncapping tubes, toilets flush,forceful ejection from pipette & flaming wet loop

Question 2

which reagent contains mercury

Answer 2

Crystal violet

Question 3

reagent contains cyanide

Answer 3

drabkin’s

Question 4

what should be considered she storing chemicals

Answer 4

alphabetical order, proper containers, temp control of needed, flammable, keep dry

Question 5

4types of hazards with examples

Answer 5

radiation- x-Ray, physical-wet floor, aresols-inhaling aerosols,

Question 6

6 requirements for supplier label

Answer 6

identifier mark- name of product supplier identifier- name of supplier hazard symbols- symbols that apply to product precautionary statement-identify ppe hazards- who to refer to signal word-warning or caution

Question 7

name and explain the routes of entery for chemical and biological hazards

Answer 7

absorption-sKim ingest-mouth inhale-nose

Question 8

which common antiseptic are most suitable for destruction of hbv

Answer 8

clorihexide, iodine

Question 9

all accidents reported in

Answer 9

24hrs

Question 10

what factors determine the degree of radiation exposure

Answer 10

distance to radiation and time exposed

Question 11

organic solvent

Answer 11

highly flammable chemical

Question 12

acid

Answer 12

ph lower than 6

Question 13

base

Answer 13

ph higher than 8

Question 14

picric acid

Answer 14

explosive when dry, wet cork before opening

Question 15

laminar flow hood

Answer 15

class 2, main flow hood used

Question 16

TLV

Answer 16

threshold limit value- level of self exposure, 8hr/day, 40hrs/wk

Question 17

TLV-STEL

Answer 17

threshold limit value- short term exposure limit- acceptable exposure over 15mins

Question 18

L.D.50

Answer 18

lethal dose 50- amount of ingested dose that kills half of subjects

Question 19

precautionary measures

Answer 19

wearing PPE, avoid breathing in fumes

Question 20

2% glutaraldehyde

Answer 20

disinfectant for metals

Question 21

autoclave

Answer 21

sterilization of equipment, 121ºC 15psi

Question 22

BSC

Answer 22

biological safety cabinet

Question 23

due diligence

Answer 23

do everything possible to prevent workplace injuries

Question 24

antiseptic

Answer 24

iodine

Question 25

physical hazard

Answer 25

occupational hazards- compressed gas

Question 26

PPE

Answer 26

personal protection equipment

Question 27

radiation

Answer 27

regulated by the Canadian Nuclear Safety Commission

Question 28

workplace label

Answer 28

label made at workplace for damaged supplier label of product made at workplace, contains what it is and what MSDS sheet to refer to

Question 29

non-ionizing radiation

Answer 29

microwave

Question 30

class C fire

Answer 30

blue electrical fire

Question 31

class C fire

Answer 31

kitchen fire

Question 32

universal precaution

Answer 32

treat everything as pathogen, prevention of bodily fluids as infectious