4.10 Managing water-related disease Flashcards

1
Q

Water-bred disease

A

the carrier breeds in water and spreads the disease by biting its victims.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Example of water-bred disease

A

Example: malaria, symptons are fever,headaches, nausea, body ache

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

describe the life cycle of the malaria parasite (infected mosquito bites uninfected human)

A
  • Malaria parasite is carried by mosquitoes
  • mosquitoes are vectors, specifically the female/ anopheles mosquito
  • infected mosquito bites uninfected human
  • Mosquito feeds on human blood and the blood can carry the plasmodium parasite that causes malaria
  • In humans Plasmodium parasite gets into liver cells where it multiplies and makes cells burst
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

describe and evaluate strategies to control
malaria

8

A
  • Use of antimalarial drugs
  • mosquito nets
  • wear cloths that covers the body
  • control moquito with pesticides
  • removal of stagnant water
  • application of oil to water souces
  • use vaccinations
  • educate people on the risks of malaria by setting up campaigns and prgrammes
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Water-borne disease:

A

spread by consuming contaminated water due to poor sanitation and untreated sewage, or by washing food, pots and pans, or hands and face in dirty water.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Examples of water-borne disease

A

Examples: cholera and typhoid.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Cholera:

A

intestinal infection that caused by vibrio cholerae and causes severe diarrhoea that may lead to dehydration and eventually death.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Why is it difficult to control malaria

A
  • remoteness of population
  • lack of money for control methods
  • lack of health care
  • lack of awareness amongst population
  • resistence to antimalarial drugs
  • areas with lots of stagnant water present
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

How cholera is spread from one person to another?

A

Can be caused by
* infective bacterium, vibrio cholerae
* person infected with bacterium;
* sewage from infected person leaked into water supply;
* water supply contaminated;
* people drink contaminated water;

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Strategies to control cholera

6

A
  • Ensure that sewage and drinking water are kept separate;
  • Sewage removed directly into a treatment works;
  • Water being treated before it’s delivered into homes;
  • Do not use contaminated water to wash food;
  • Hands should be washed after contact with any faecal material;
  • Boiling water and chlorination
How well did you know this?
1
Not at all
2
3
4
5
Perfectly