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Flashcards in Intro to Environmental Health Deck (24):
1

Enumerate 3 factors affecting human health.

economy
community
environment

2

What is false about environment?
A. that which is external to individual human host.
B. Divided into physical, social and cultural only
C.Any or all of which can influence health status in populations
D.Plays a vital role in transmission and prevention of disease

B

biological is also included

3

identify
Theory and practice of assessing, correcting, controlling and preventing those factors in the environment that can potentially affect adversely the health of present and future generations.

Environmental health

4

enumerate parts of environmental system

Life-support systems
Human activities
Residues and wastes
Environmental hazards

5

False about environmental system
A. Life-support systems provide the energy and materials needed to make human activities possible
B. Residues and wastes feedback positively to the L-SS and cause environmental hazards
C. Environmental hazards influence the capacity of
life-support systems in sustaining life

B

negative any feedback dapat

6

Which is false?
A. Envt health is concerned with only quality and quantity of water.
B. Envt health is focused on waste minimisation.
C. Envt health is concerned with rapid urbanisation and industrialisation.
D. When waste decomposes, methane may be produced.

A

EH - also concerned with access to safe water supply

7

identify which level of water source:
protected well or a developed spring with an outlet but without a distribution system because it’s generally adaptable for rural areas where houses are thinly scattered serving an average of 15 households with people having to fetch water from up to 250 meters distance

Level I

8

Identify which level of water source:
fully reticulated system with individual house connections based on a daily water demand of more than 100 liters per person.

Level III

9

Identify which level of water source:
piped system with communal or public faucets usually serving 4-6 households within 25m distance

Level II

10

False about sanitation
A. Number & percentage of HH w/ sanitary toilet facilities increased annually from by less than 2% fr 2005-2006
B. Existing sewerage and sanitation facilities are unsatisfactory and inadequate, only 4% have access to sewerage.
C. However, the government has made this a high priority already

C

11

Which is not true on issues of inadequate sanitary facilities?
A.Privacy of people in the community
B.Disuse of facility due to physical condition/appearance
C.Waste may be carried by the floodwater that could carry pathogenic microorganisms to a water resource
D.Misuse of facility does not favour disease transmission

D

12

Fill in the blanks:
Solid wastes also affect the air due to burning & spontaneous combustion due to the methane generated by ___

anaerobic decomposition

13

Atmospheric __ and __ levels in Payatas and Smokey Mt. dumpsites range high to dangerously high

carbon monoxide
lead

14

Which organ system is affected by dangerously high atmospheric CO and Pb level in children scavengers?
A. pulmonary
B. nervous
C. gastrointestinal

A

15

Out of all hospital wastes, which is the hardest to dispose and why?

Sharps- most challenging to dispose; both concerns
safety hazard, potentially infectious hazard

16

Which statement is false?
A.Waste minimization is important due to disposal costs and site issues.
B. Hazardous healthcare waste is not mixed with municipal solid waste at disposal sites.
C. There is a controversy over “non-burn” technologies.
D. There is very slow development of new sanitary landfills and conversions from controlled dumps despite the requirements of law.

B. unfortunately.

17

identify: Emission into the air of hazardous substances at a rate that exceeds the capacity of natural processes in the atmosphere to purify it

air pollution

18

identify: capacity of the environment to purify itself

Assimilative Capacity

19

enumerate most vulnerable groups to air pollution exposure

 Children
 Elderly
 People suffering from preexisting respiratory and heart diseases

20

two most common types of particulate matter: enumerate

PM10 and PM2.5

21

Which is not a common air pollutant?
A.Sulfur dioxide
B.Oxides of Boron
C.Ozone
D.Carbon monoxide

B

Nitrogen dapat

22

Trace metals (e.g., Pb) pollute the air. True or False?

True

23

name two air cleaning technologies mentioned in the lecture that can help reduce air pollution

scrubbers/electrostatic precipitators

24

T/F
Aerial spraying affected by changes in wind directions can pollute other communities

T