Malaria Test Malaria Test QuestionQuestion
Study the two maps of Chad.
Chad and many other developing countries have been affected by water-related diseases including malaria, cholera and bilharzia/schistosomiasis.
Select one of the above diseases.
(i) Describe the physical & human factors which put people at risk of contacting the disease. (6)
• Describe and explain the measures that can be taken to combat the disease. (8)
• Discuss the effectiveness of the measures taken to combat the disease. (6)
(iv) Explain the benefits to a LEDC of controlling the disease. (6)
Remember....Remember....
Malaria Test QuestionMalaria Test Question
26 marks: 30 minutes time limit
Revision notes on the OHS website
Completed large poster to be presented as well
Wednesday Period 2.
Malaria Test QuestionMalaria Test Question(i) Describe the physical & human factors which put people at risk of contacting the disease. (6)Physical 16 deg C; humid; stagnant water; sheltering vegetationHuman high popn densities; irrigation; slums; medically vulnerable
(ii) Describe and explain the measures that can be taken to combat the disease. (8)LARVAE oil; egg; bti; bombing; fish; trees; drainingEDUCATION various formsADULT DDT spray; Malathion; bednets; genetics; clothes; personal sprays/roll-on; clear vegetationPARASITE prophylactics, before and after; vaccine
(iii) Discuss the effectiveness of the measures taken to combat the disease. (6)LARVAE oil; egg; bti (cost); bombing (cheap, cover all?); (all water?, pollution, other life); fish (protein); trees (long term); draining; (all water?); EDUCATION various forms; ADULT DDT spray; (cost and repetition) Malathion (cost, repetition); bednets; (cheap to give out, expensive to buy) genetics;(in process) clothes; personal sprays/roll-on (expensive); clear vegetation (realistic)PARASITE prophylactics, before and after; (plasmodium immunity) vaccine (in process) (L E A P)
(iv) Explain the benefits to a LEDC of controlling the disease. (6)Personal education, work, family life, birth rate, subsistence farming Economic medical spend, tourism, lost time, GNP
Vibrio cholerae > Vibrio cholerae > CholeraCholeraA water borne disease: water as the A water borne disease: water as the vectorvector
Schmallenbergvirus
Plasmodium> MalariaPlasmodium> MalariaA blood borne disease: mosquito as the A blood borne disease: mosquito as the vectorvector
Plasmodium Plasmodium falciparumfalciparum
✗✗✗✗✗✗
✓✓MalariaMalariaMosquito as vector: ONLY AS ADULTMosquito as vector: ONLY AS ADULT
__ __ __ __ __ __ __ __
__ __ __ __ __ ✗✗V
i r u
s
B
a t e r i a
__ __ __ __ __ __ __ __ P a r a s i t e✓✓
A virus is a small infectious agent
that can replicate only inside the living
cells of an organism.
A large range of microorganisms with no true nucleus producing their own food
A large range of microorganisms with no true
nucleus
Plasmodium is a one celled parasite that eats off another
organism
c ✗✗