Flagellates

Question 1

what are the flagellates

Answer 1

polyphyletic

trypanosoma and leishmania

Question 2

what are the 6 trypanosoma species

Answer 2

t. brucei brucei
t brucei gambiense
t brucei rhodeiense
t. vivax
t. congolense 
t. cruzi

Question 3

what is the resevoir host of t. brucei sub species

Answer 3

t. b.b = cattle
t. b.g = humans main also pigs
t. b.r = wild game, cattle main (also in humans)

Question 4

what does trypanosoma cause

Answer 4

cattle - nagana

humans - sleeping sickness

Question 5

what is the chronic and acute form of sleeping sickness caused by

Answer 5

acute = rhodiense - can kill in 6 months
chronic = gambiense  - several years before symptoms

Question 6

what is trypanosoma vector

Answer 6

tsetse fly - glossina sp.

Question 7

what is the distribution of the three t bruci ss

Answer 7

tbb= subsaharan 
tbg = central and west
tbr = east and south

Question 8

what is the death rate of trypanosoma

Answer 8

40,000 per annum

Question 9

what are the symptoms of nagana

Answer 9

fever, weakness, weight loss = economic

Question 10

describe stage 1 sleeping sicknesss

Answer 10

haemolymphatic stage

fever, headache, joint pains,

Question 11

describe stage 2 sleeping sickness

Answer 11

meningo enchaphalitic stage in cns
perm brain damage,
constant head ache,
sleep cycle, speech disroders, loss of apetie, coma and death