Trypanosomes

Question 1

Typically infect ___.

Answer 1

vertebrates

Question 2

(a) trypanosome infectious stages develop in hindgut of vector and enter host through (b) at biting site. An example of this is Trypanosoma (c) which uses kissing bugs as vectors.

Answer 2

a) stercorarian
b) scratching
c) cruzi

Question 3

(a) trypansosome infectious stages develop in the salivary glands of (b) flies.

Answer 3

a) salivarian

b) tsetse

Question 4

a) What is the tsetse fly belt?

b) what transmits salivarian trypanosomes outside of the belt?

Answer 4

a) loads of populations of tsetse flies across Sub Saharan Africa
b) transmitted mechanically by tabanids

Question 5

After the trypanosomes infect the vertebrate, they multiply as (a) in heart or nerve cells and then transform into (b) which burst out of (c) and are then ingested by the triatomine when it feeds.

Answer 5

a) amastigotes

b) trypanosomes

Question 6

Big __ are useful as primary hosts

Answer 6

game