Definitions #3 Flashcards Preview

BIOL322 > Definitions #3 > Flashcards

Flashcards in Definitions #3 Deck (14)
Loading flashcards...
1

What causes amoebiasis?

Entamoeba histolytica: an amoeba that causes amoebic dysentery

2

Dysentery

inflammation of intestine accompanied by diarrhoea often with blood and mucus

3

Necrotising colitis

damage and inflammation of colon and rectum

4

Community Environmental Management

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

5

Entomopathogenic fungi

e.g. Beauveria bassiana
~ inhibits Malaria parasite development to infectious stage

6

Indoor residual spraying

~ insects rest on walls before and after feeding
~ pyrethroids + DDT used

7

LLIN

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

8

Issue with DDT.

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

9

IR: genetic mutation

alterations in target site = decreased insecticide binding

10

IR: metabolic

increase rate of insecticide breakdown through enzyme amplification or modification

11

Methods used to stop insecticide resistance.

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

12

Insecticide mosaic

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

13

Insecticide mixture

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

14

Insecticide combination

The use of two or more insecticides