Essential Of Environment Health And Water Safety Question Paper

Essential Of Environment Health And Water Safety

Course:Bachelor Of Science In Nursing And Public Health

Institution: Kenyatta University question papers

Exam Year:2009

KENYATTA UNIVERSITY
SECOND SEMESTER EXAMINATIONS 2008/2009
UNIVERSITY EXAMINATIONS FOR DEGREE OF BACHELOR OF SCIENCE
(NURSING AND PUBLIC HEALTH)

HNS 310: ESSENTIAL OF ENVIRONMENT HEALTH AND WATER SAFETY

DATE: Thursday 2nd April 2009

TIME:
8.00am-10.00am

INSTRUCTIONS:
1.
Answer all questions
2.
For part A MCQs write on the answer sheep provided
3.
For Part B and C, answer on the booklet provided.
PART A
1.
One of the following is and example of water washed diseases
a) Trachoma
b) Malaria
c) Schistosomiasis
d) Filariasis
2.
The process of disposing waste through burning is known as
a) Combustion
b) Decomposition
c) Incineration
d) Maceration
3.
Inflix of foreign trade in the country as a result of peace is essence of
a) Biological environment
b) Physical environment
c) Social cultural environment
d) Political environment
Page 1 of 5
4.
One of the following is an example of adverse effect of social cultural
environment
a) Breastfeeding
b) Clitoridectomy
c) Consumption of ants by local people
d) Utilization of herbal medicine by indigenous people
5.
An example of vector-borne disease is
a) Dysentery
b) Typhoid
c) Schistosomiasis
d) Cholera
6.
An attribute of proper waste disposal is
a) Aesthetics within environment
b) Social interaction
c) Development of the area
d) Civil consciousness
7.
The following methods are used to treat milk.
a) Boiling, pasteurization, ultra of heat treatment
b) Boiling, freezing, pasteurization,
c) Ultra heat treatment, freezing, boiling
d) Freezing, boiling, using chemicals.
8.
When selecting appropriate latrine for a particular situation. The following
points should be considered except
a) Availability of resources to be used
b) Affordability and social acceptability of latrine
c) Repair and maintenance cost.
d) Population of the area

Page 2 of 5
For question 9 and 10 indicate true or false

9.
a)
Environmental hazards are associated with the mishandling or

management or refuse._______

b)
Dumping in the ocean is recommended for waste management. _______
10.
a)
Water based infections is the one which the pathogen spend a part of its

life cycle in water snail or other aquatic animals. _______
b)
Ground water is always polluted when a well is located too close to the pit
latrine. _______
11.
Water demand and consumption can be reduced by

a)
Introducing water meters to houses with private connections

b)
Progressive tariff policy smaller consumer to pay move.

c)
Using flush toilets

d)
Providing enough water.
12.
Food handles should go for medical check up every
a)
Three
months
b)
Six
months

c)
Once a year
d)
After
years.
13.
Water treatment process in urban areas mainly includes
a)
Screening,
coagulation, filtration, disinfection
b)
Storage,
screening,
filtration, disinfection

c)
Sedimentation, screening, coagulation filtration

d)
Chlorination, storage, sedimentation, filtration
14.
Water demand depends on the following except
a) Climate
b) Existence of industrial users
c) Living standards of people
d) Population density.
15.
One of the following consist of abiotic factors influencing environment
a) Plants, valleys, parasites
b) Valleys, climate, parasites
c) Animals, mountains, parasite.
Page 3 of 5

16.
One of the following metal poisoning can cause diabetes.
a) Cobalt
b) Cadmium
c) Chromium
d) Mercury
17.
Sources separation of solid waste is important mostly because
a) It prevents contamination of waste materials
b) It makes it easier to separate
c) It requires more containers and time
d) It increases the waste material economic value
18.
Waste management authority can encourage waste minimization by the
following except
a) Increasing cost of waste disposal
b) Increasing the size of bins provided to households
c) Giving incentives for those who re-use
d) Education to householders.
19.
Environmental Protection Agency (EPA) recommends that refuse be collected
at least
a) one daily
b) Twice a week
c) Once a week
d) One in three months
20.
Characteristics of an optimum route includes the following except.
a) Collection paths should overlap
b) Collection should not occur during rush hours
c) Collection should occur in a downhill direction
d) The starting point should be close to the collection vehicle garage.

Page 4 of 5

SECTION B
1.
Explain the role of community in ensuring clean water
[5marks]
2.
Outline the factors that handle construction and use of pit latrines in a rural set
up

[6marks]
3.
Explain the three (3) levels of disease prevention giving examples.

[6marks]
4.
Explain hazardous waste management

[6marks]
5.
Explain the importance of food preservation handling and storage
[5marks]
6.
Explain
sludge
treatment
[6marks]
7.
Explain the impact of environmental sanitation in Kenya
[6marks]

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