HISTOPATH LEC (RISK-FTE)

Question 1

Process of ensuring and maintaining personal as well
as environmental health and safety in the laboratory.

Answer 1

Risk Management

Question 2

Types of Hazards

Answer 2

Mechanical
Electrical
Biological

Question 3

A document that contains detailed step by step process, risk assessments, and other health and safety information

Answer 3

Standard Operating Procedure

Question 4

One of the most common accidents in the
laboratory

Answer 4

involves cutting of one’s finger or hand on microtome knives

Question 5

Cleaning agents and disinfectants, drugs, anesthetic gases, solvents, paints,
and compressed gases are examples of ____________________

Answer 5

chemical hazards.

Question 6

Potential exposures to
chemical hazards can occur both ___________________ and _____________________

Answer 6

during use and with poor storage

Question 7

Example of Explosive Chemicals

Answer 7

Picric Acid, Certain silver solutions after aging

Question 8

Examples of oxidizers

Answer 8

Sodium iodate, mercuric oxide and chromic acid

Question 9

are chemicals that cause reversible inflammatory effects at the
site of contact with living tissue, especially the skin, eyes and respiratory
passages

Answer 9

Irritants

Question 10

cause destruction or irreversible alterations when exposed to living tissue, or destroy certain inanimate surfaces (generally
metal).

Answer 10

Corrosive chemicals

Question 11

cause allergic reactions in some exposed workers, not just in
hypersensitive individuals

Answer 11

Sensitizers

Question 12

are substances that induce tumors, not only in experimental
animals but also in humans.

Answer 12

Carcinogens

Question 13

Examples of carcinogenic chemicals

Answer 13

chloroform, chromic acid, formaldehyde, nickel chloride and potassium
dichromate

Question 14

are capable of causing death by ingestion, skin contact
or inhalation at certain specified concentrations

Answer 14

Toxic materials

Question 15

Examples of Toxic materials

Answer 15

methanol,
chromic acid, osmium tetroxide and uranyl nitrate.

Question 16

Produce substance with temperatures below -153C and a boiling point of -196C

Answer 16

CRYOGENS

Question 17

The most obvious ________________________ are slips and falls from working in wet
locations and the ergonomic hazards of lifting, pushing, pulling, and repetitive
tasks

Answer 17

physical hazards

Question 18

are substances whose vapors will ignite at or above a certain
temperature (or flash point) or in the presence of an ignition source.

Answer 18

Combustibles

Question 19

Flash point according to OSHA

Answer 19

38 deg C or 100F

Question 20

Flash point according to DOT

Answer 20

60.5 dec C or 141F

Question 21

Substances having flashpoint below
100F or 38C

Answer 21

Flammables

Question 22

DISPOSAL COLOR CODING:

Infectious

Answer 22

Yellow

Question 23

DISPOSAL COLOR CODING:

General Waste, Non-infectious Dry

Answer 23

Black

Question 24

DISPOSAL COLOR CODING:

General Waste, Non-infectious Wet

Answer 24

Green

Question 25

DISPOSAL COLOR CODING: Radioactive

Answer 25

Orange

Question 26

DEFINITION: OSHA

Answer 26

Occupational Safety and Health Administration

Question 27

DEFINITION: MSDS

Answer 27

Material Safety data Sheet

Question 28

DEFINITION: STEL

Answer 28

Short Term Exposure Limit

Question 29

DEFINITION: PEL

Answer 29

Permissible Exposure Limit

Question 30

DEFINITION: TLV

Answer 30

Threshold Limit Values

Question 31

DEFINITION: SWOT

Answer 31

Strengths, Weaknesses, Opportunities, Threats

Question 32

DEFINITION: OEL

Answer 32

Occupational Exposure Limit

Question 33

Steps of Risk Management Process

Answer 33

1. Assess your risks 2. Prioritize your risks 3. Figuring out your risk profile 4. Choosing your strategies 5. Executing your risk strategies 6. Measuring residual tasks

Question 34

Anything that can cause disease in humans, regardless of their source

Answer 34

BIOLOGICAL HAZARD

Question 35

* Rapid diagnosis of a pathologic tissue. * Recommended for: lipids and nervous tissue elements.

Answer 35

Frozen Section

Question 36

What are the methods of Freezing

Answer 36

- Carbon Dioxide Gas - Aerosol Spray - Liquid Nitrogen - Isopentane cooled by Liquid Nitrogen

Question 37

Freezing Method: Most rapid

Answer 37

Liquid Nitrogen

Question 38

Freezing Method: Excellent for freezing muscle tissues

Answer 38

Isopentane cooled by Liquid Nitrogen

Question 39

Freezing Method: That does not freeze muscle tissues

Answer 39

Aerosol Sprays

Question 40

Rapid freezing (quenching) at -160C and removing ice water molecules (dessication) by transferring the still frozen tissue blood into a vacuum chamber at a higher temperature

Answer 40

Freeze Drying

Question 41

Special Processing Techniques: - Disadvantage: time-consuming and expensive - Advantage: produces minimum tissue shrinkage, and allows tissues to be processed in a fresh state

Answer 41

Freeze Drying

Question 42

Process of dehydration Similar to freeze-drying in preparing and preserving tissue blocks for subsequent sectioning

Answer 42

Freeze Substitution

Question 43

Freeze Substitution, specimen is fixed in __________________ or in ________________ and dehydrated in __________________

Answer 43

Rossman's formula, 1% acetone, absolute alcohol

Question 44

Procedure in Gross examination

Answer 44

1. Orient the organ in its ORIGINAL ANATOMICAL POSITION 2. Identify the type of specimens 3. Structure included 4. Dimensions 5. Weight 6. Shape 7. Color 8. Consistency 9. Surgical margin