Risk Management

Question 1

May cause increased heart rate, convulsions, death,
or may burn eyes and skin
- combustible ad should be used with exercised
caution, under a hood,

Answer 1

PHENOL

Question 2

Should be stored away from acids, and should not be
mixed with formaldehyde as this generates heat and
toxic vapors that can be irritating to the respiratory
system

Answer 2

AMMONIUM HYDROXIDE

Question 3

May be used in replace mercuric oxide when
reconstituting Harris hematoxylin

Answer 3

SODIUM IODATE

Question 4

Explosive when dry or when combined with metal or
metallic salts

Answer 4

PICRIC ACID

Question 5

Can cast frost bites or thermal (cold) burns

Answer 5

NITROGEN

Question 6

Concentrated acid is particularly dangerous because
of its fumes, and should be handled under a fume
hood, using goggles, apron and gloves.

Answer 6

HYDROCHLORIC ACID

Question 7

Toxic to the reproductive, urinary and blood systems
when inhaled or ingested

Answer 7

ETHYLENE GLYCOL

Question 8

Can irritate the skin and the eyes, and can corrode
metal. Should be handlesd under a chemical fume
hood

Answer 8

FORMIC ACID

Question 9

Carries minimal health risk when used in histology
under normal conditions

Answer 9

SODIUM THIOSULFATE

Question 10

Excessive exposure may cause drowsiness, headache,
nausea and cyanosis.

Answer 10

ANILINE

Question 11

• Should not be disposed by pouring down the drain
  since they may form explosive picrates with metal
  pipes

Answer 11

PICRIC ACID

Question 12

Strong irritant to skin, eyes and respiratory system
- Corrosive to most metals

Answer 12

SULFURIC ACID

Question 13

Moderate skin and eye irritant, and is toxic by
ingestion and inhalation. It may cause blindness or
death if taken in excessive amounts

Answer 13

METHANOL

Question 14

Identifying, _assessing, and controlling threats to
every individual in hospital Facility

Answer 14

Risk Management

Question 15

Enumerate the common Histotech equipments

Answer 15

● Microscopes
● Microtome
● Cryostat
● Autotechnicon
● Automated coverslipper
● Automated H and E stainer

Question 16

Mild to moderate irritation of the skin, eyes,
dangerously flammable and volatile.

Answer 16

ETHANOL

Question 17

Strong oxidant, eye irritant and corrosive to most metals; Do not mix with formaldehyde or
diaminobenzidine

Answer 17

SODIUM HYPOCHLORITE (liquid chlorine bleach)

Question 18

Because it is a strong oxidant, it should not be mixed with acetic acid, ammonium hydroxide, ethanol, ethylene glycol, formaldehyde, hydrochloric acid, hydrogen peroxide, or sulfuric acid

Answer 18

POTASSIUM PERMANGANATE

Question 19

can cause frostbite; Excessive exposure to vapors may cause irritation of the respiratory tract, cough and irregular breathing

Answer 19

ISOPENTANE

Question 20

Relatively safe when used as a fresh solution, but can
be explosive when solution becomes old

Answer 20

SILVER SALTS

Question 21

Common size that a microtome could cut

Answer 21

1-10 mm thick

Question 22

Carcinogenic and can affect the liver, reproductive
organs, central nervous system, blood and gastrointestinal tract. Excessive exposure to the vapor can cause disorientation, loss of consciousness and death.

Answer 22

CHLOROFORM

Question 23

can be recycled by distillation or by drain disposal, can be detoxified by a commercial
product, or can be disposed of by a licensed waste
hauler

Answer 23

FORMALDEHYDE

Question 24

Corrosive to eyes and mucous membranes; Vials must be stored, broken and opened under a hood, not in the open air

Answer 24

OSMIUM TETROXIDE

Question 25

Toxic to kidneys, corrosive to the skin and mucous membranes and cause cancers. All forms of skin contact should be avoided.

Answer 25

CHROMIC ACID

Question 26

microtome for biological samples

Answer 26

Vibrating microtome

Question 27

Repeated exposure can cause impaired memory, poor coordination, mood swings and permanent nerve damage

Answer 27

TOLUENE

Question 28

Can cause mild to moderate irritation of the skin and eyes, and is toxic by ingestion

Answer 28

ISOPROPANOL

Question 29

Corrosive to skin, mucous membranes and most metals. It is toxic by inhalation

Answer 29

NITRIC ACID

Question 30

Relatively safe when used in dilutions prescribed for histologic use; When concentrated, it is corrosive and causes severe burns of the eyes, skin and mucous membranes; Repeated skin contact can cause dermatitis and slow-healing ulcers

Answer 30

OXALIC ACID

Question 31

Corrosive to eyes and skin

Answer 31

HYDROXIDE (SODIUM AND POTASSIUM)

Question 32

Corrosive to most metals, including stainless steel - Should not be used in tissue processors

Answer 32

ZINC CHLORIDE

Question 33

Less toxic substitute for ethylene – based ethers

Answer 33

PROPYLENE GLYCOL

Question 34

micrtome for exteremely thin sections

Answer 34

Ultramicrotome

Question 35

Should be restricted or avoided if possible, except as diluent in mounting media or for removing coverslips

Answer 35

TOLUENE

Question 36

microtome for frozen samples

Answer 36

Cryostat

Question 37

Toxic when absorbed by the skin, can cause severe irritation of the eyes, and is a potential carcinogen.

Answer 37

ANILINE

Question 38

Can cause severe irritation of the eyes and skin, and are corrosive to metal b

Answer 38

MERCURIC CHLORIDE/MERCURIC OXIDE

Question 39

reagent must be handled under a fume hood, with vinyl gloves

Answer 39

ETHYLENE GLYCOL

Question 40

Extremely flammable and highly volatile - Should be stored only in a refrigerator or freezer that is especially suited for explosive atmosphere

Answer 40

ISOPENTANE

Question 41

Can cause severe irritations of the eyes and skin, and toxic by ingestion.

Answer 41

GLUTARALDEHYDE

Question 42

Harmless # used in concentrations less than 5%

Answer 42

HYDROGEN PEROXIDE

Question 43

Very toxic and may be fatal when swallowed or absorbed through the skin or when mixed with

Answer 43

SODIUM AZIDE

Question 44

Reagents used to “de-zekerize” ; may be replaced with zinc formalin or glycosal solutions

Answer 44

MERCURIC CHLORIDE/MERCURIC OXIDE