Exam II - Filaroidea

Question 1

Is the Filaroidea life cycle direct or indirect?

Answer 1

indirect

Question 2

Describe the appearance of the Setaria equina adult

Answer 2

Long & slender (12 cm)

Question 3

What is/are the site(s) of infection for Setaria equina adults? Mff? Larvae?

Answer 3

Adults: peritoneal cavity

Mff: blood

Larvae: eye

Question 4

Name some pathogenesis & clinical signs for Setaria equina

Answer 4

Non-pathogenic and no clinical signs

Question 5

How would you diagnose Setaria equina?

Answer 5

Microfilaria in blood smears. Adults in peritoneal cavity

Question 6

What is/are the final host(s) for Onchocerca cervicalis?

Answer 6

all equids

Question 7

What is/are the intermediate host(s) for Onchocerca cervicalis?

Answer 7

*Culucoides *spp.

Question 8

What is the infective stage for Onchocerca cervicalis?

Answer 8

L₃

Question 9

What is/are the site(s) of infection for Onchocerca cervicalis?

Answer 9

Nuchal ligament in the region of the withers.