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Malaria Test Question Study the two maps of Chad.

Malaria Test Question 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.

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Malaria Test Question Study the two maps of Chad.

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  1. Malaria Test • Question • 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)

  2. Remember.... Malaria 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.

  3. Malaria 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 vegetation • Human high popn densities; irrigation; slums; medically vulnerable • Describe and explain the measures that can be taken to combat the disease. (8) • LARVAE oil; egg; bti; bombing; fish; trees; draining • EDUCATION various forms • ADULT DDT spray; Malathion; bednets; genetics; clothes; personal sprays/roll-on; clear vegetation • PARASITE 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

  4. Vibrio cholerae > Cholera A water borne disease: water as the vector

  5. Schmallenberg virus

  6. Plasmodium falciparum Plasmodium> Malaria A blood borne disease: mosquito as the vector

  7. ✓ ✗ ✗ ✗ Malaria Mosquito as vector: ONLY AS ADULT

  8. ✗ A virus is a small infectious agent that can replicate only inside the living cells of an organism. V i r u s ✗ __ __ __ ____ B c t a a e r i __ __ __ __ ____ __ __ ✓ A large range of microorganisms with no true nucleus producing their own food P a r a s i t e __ __ __ ____ __ __ __ Plasmodium is a one celled parasite that eats off another organism A large range of microorganisms with no true nucleus

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