Definitions #3

Question 1

What causes amoebiasis?

Answer 1

Entamoeba histolytica: an amoeba that causes amoebic dysentery

Question 2

Dysentery

Answer 2

inflammation of intestine accompanied by diarrhoea often with blood and mucus

Question 3

Necrotising colitis

Answer 3

damage and inflammation of colon and rectum

Question 4

Community Environmental Management

Answer 4

~ covering domestic water containers w/ insecticide treated nets
~ personal household protection (vaporisers, repellants, long-sleeves)
~ clean up campaigns (removing waste)

Question 5

Entomopathogenic fungi

Answer 5

e.g. Beauveria bassiana

~ inhibits Malaria parasite development to infectious stage

Question 6

Indoor residual spraying

Answer 6

~ insects rest on walls before and after feeding

~ pyrethroids + DDT used

Question 7

LLIN

Answer 7

~ long-lasting, low toxicity, fast acting chemicals (pyrethroids)
~ work even when mystiques are resistant
~ human efficiency effect (need to sleep under next + repair)

Question 8

Issue with DDT.

Answer 8

an insecticide that can cause food chain issues so not used even though really effective

Question 9

IR: genetic mutation

Answer 9

alterations in target site = decreased insecticide binding

Question 10

IR: metabolic

Answer 10

increase rate of insecticide breakdown through enzyme amplification or modification

Question 11

Methods used to stop insecticide resistance.

Answer 11

1) rotation
2) combination
3) mosaics
4) mixtures (not yet available)

Question 12

Insecticide mosaic

Answer 12

The spraying of compound A in one area and compound B in another area

Question 13

Insecticide mixture

Answer 13

Two or more compounds are mixed within a single product or formulation so that the mosquito is guaranteed to come into contact with both at the same time

Question 14

Insecticide combination

Answer 14

The use of two or more insecticides