Occupational HS Pt2

Question 1

Effects of radiation may cause formation of ___ and ____ which may cause ____ damage

Answer 1

Formation of ions and free radicals. May cause chromosomal damage

Question 2

Radiation increases risk of what kinds of cancer

Answer 2

Thyroid, bone, lymphatic system, hematopoietic system (blood cell making )

Question 3

What rapidly diving cells are most susceptible to radiation

Answer 3

Ovaries and testes, skin, intestinal lining, bone marrow

Question 4

____ are worn to measure radiation exposure over time

Answer 4

Dosimeters

Question 5

Radiation is measured in what unit

Answer 5

Millisieverts (mSv)

Question 6

Maximum radiation exposure limits in US for a non pregnant adult

Answer 6

50mSv annually

Question 7

Maximum radiation exposure limits in US for a pregnant woman

Answer 7

5 mSv for course of pregnancy

Question 8

Maximum radiation exposure limit in US for a person under 18

Answer 8

5 mSv

Question 9

If high dose radiation exposure occurs immediately before contraception, there is an increased risk of

Answer 9

Down syndrome, leukemia

Question 10

If a high dose radiation exposure occurs in first 2 weeks of pregnancy, there is an increased risk of

Answer 10

A spontaneous abortion

Question 11

High dose radiation exposure in first 4 months of pregnancy increases the risk of

Answer 11

Epilepsy, mental retardation, ocular genital or skeletal defects, stunted growth

Question 12

High radiation exposure after 4 months of pregnancy risks

Answer 12

Minor defects, lower incidences

Question 13

Radiation exposure should be ALARA, meaning

Answer 13

As Low As Reasonably Achievable

Question 14

3 tenets of achieving ALARA radiation exposure

Answer 14

Time: decrease amount of exposure time
Distance: increase distance from source
Shielding: protective clothing

Question 15

Examples of radiation shielding

Answer 15

Lead apron/ gloves, thyroid shields, lead wall

Question 16

In nys, employers cannot order who to perform tasks that directly expose them to xray beams

Answer 16

Persons under 18 
Fertile women (not necessarily pregnant)

Question 17

Liquid gas anesthetics _____ rapidly into the room when uncapped.
____ through skin into the circulation

Answer 17

Evaporate

Absorbed

Question 18

Where is waste anesthetic gas common

Answer 18

Prep rooms (where animal is anesthetized), surgical suites, treatment rooms, recovery areas (exhaled while recovering)

Question 19

Scavenging system

Answer 19

System for collecting and disposing of anesthetic has after it has been used (ex: tube connected to machine, going out window)

Question 20

NIOSH

Answer 20

National institute for occupational safety and health

Question 21

NIOSH recommends a maximum anesthesia exposure of

Answer 21

2 ppm hourly (parts per notation)

Question 22

Example of an anesthetic gas brand that is not used anymore

Answer 22

Methoxyflurane

Question 23

Long term effects of anesthetic gas exposure

Answer 23

Reproductive disorders, liver or kidney disease, nervous system dysfunction

Question 24

Brand examples of newer anesthetics that are far less likely to stay in your system or cause side effects

Answer 24

Isoflurane, sevoflurane

Question 25

An effective scavenging system may reduce waste gas in clinic by ____ %

Answer 25

90%

Question 26

Test anesthesia machine for ____ each day

Answer 26

Leaks

Question 27

Pour liquid anesthesia into vaporizer using a ____ instead of directly from bottle

Answer 27

Nozzle

Question 28

Anesthetic techniques

Answer 28

Injectable anesthetics, intubation, mask induction (better than chamber induction)

Question 29

Which anesthetic technique reuses gas

Answer 29

Intubation. (When patient exhales, goes back in tube)

Question 30

After injecting anesthesia, you

Answer 30

Hook the animal up to gas at a low concentration

Question 31

If needles must be recapped, use _______ technique

Answer 31

One handed technique (scoop the cap off the table, onto the needle)

Question 32

Which toxic chemical: attack rapidly dividing cells, harmful to developing fetus, waste products harmful

Answer 32

Chemotherapy agents

Question 33

Which toxic chemical: flea and tick products

Answer 33

Pesticides

Question 34

List the toxic chemicals

Answer 34

Chemo agents, radiograph developer and fixative (avoid by using digital radiography), pesticides, disinfectants

Question 35

Teratogenic

Answer 35

Cause birth defects

Question 36

Hormone exposure to pregnant women can

Answer 36

Be teratogenic, cause spontaneous abortion, induce labor

Question 37

What absorbs easy, skin or mucous membrane

Answer 37

Mucous membrane

Question 38

An SDS should be on file for ever chemical used in the clinic

Answer 38

Safety data sheet

Question 39

US employers are required to keep a log of

Answer 39

Occupational illness and injuries

Question 40

3 employee responsibilities

Answer 40

LEARN- hazards and procedures for avoiding injury WEAR- protective equipment REPORT- poor incidents or conditions

Question 41

OSHA is a federal agency under the

Answer 41

Dept of labor