Control and prevention in disease, injury and environmental damage

Question 1

Isolation environmental barriers

Answer 1

Hazardous and radioactive waste disposal, sanitary landfill practices, vault privy, protection of water supply by location

Question 2

Shielding environmental barriers

Answer 2

Sneezeguards, nose barriers, source protection of water supplies by design, cross connection control

Question 3

Substitution

Answer 3

Substitution of a substance or process for a toxic substance or process, substitute is biodegradable chemical for a non-biodegradable one

Question 4

Types of physical treatment processes for air

Answer 4

Ventilation, precipitation, absorption, centrifugal, catalytic, diffusion

Question 5

Precipitation example

Answer 5

Electrostatic precipitation

Question 6

Absorption example

Answer 6

Scrubbers

Question 7

Centrifugal example

Answer 7

Cyclones

Question 8

Diffusion example

Answer 8

Scrubbers

Question 9

Types of physical treatment processes for water

Answer 9

Sedimentation, filtration, adsorption, comminution

Question 10

Types of physical treatment process for thermal

Answer 10

Disinfection, drying, evaporation, incineration, pasteurization, sanitization, refrigeration and freezing

Question 11

Type of chemical treatment process for land

Answer 11

Pesticides application

Question 12

Types of chemical treatment processes for water

Answer 12

Disinfection, sanitization, flocculation, coagulation, neutralization, ion exchange, fluoridation, emulsification

Question 13

Neutralization example

Answer 13

Corrosion control

Question 14

Ion exchange example

Answer 14

Water softening

Question 15

Emulsification example

Answer 15

Soaps and detergents

Question 16

Aeration example

Answer 16

Activated sludge, trickling filter, oxidation ponds, composting, sub-surface disposal field

Question 17

Is aeration aerobic or anerobic

Answer 17

Aerobic

Question 18

Is digestion aerobic or anerobic

Answer 18

Anerobic

Question 19

Is composting aerobic or anerobic

Answer 19

Anerobic

Question 20

Plant transpiration example

Answer 20

Evapotranspiration bed

Question 21

Animal ingestion example

Answer 21

Gambusia, aquaculture

Question 22

Types of resource recovery

Answer 22

Compaction, separation, recovery processes

Question 23

Recovery processes examples

Answer 23

Composting, incineration, chemical conversion, substance reuse

Question 24

Chemical conversion

Answer 24

Pyrolysis

Question 25

Compaction example

Answer 25

Size reduction

Question 26

Planning process

Answer 26

Problem definition, goals and objectives, study and analysis, alternatives, implementation, evaluation and continuing planning

Question 27

3 types of environmental assessment

Answer 27

(Federal, state, local) environmental impact statements, A-95 reviews, health system agency reviews

Question 28

Environmental assessment procedures

Answer 28

Description of present environment
Description of the proposed action
Environmental impact of the proposed action
Alternatives to the proposed action
Probable adverse environmental impacts
Relationship between short-term uses of man’s environment and the maintenance and enhancement of long-term productivity
Irreversible or irretrievable commitments of resources

Question 29

Types of environmental impacts of the proposed action

Answer 29

Primary and secondary impacts