Visible Parasites

Question 1

You have fresh proglottids visible in a fecal sample. You need to identify the genus (which two)

Answer 1

Taenia sp. or
Dipylidium caninum

Question 2

What is a desiccated proglottid?

Answer 2

Dried up (rehydrate w saline)

Question 3

Name two reasons round worms may be visible in a fecal sample

Answer 3

Drug therapy induced or heavy infection

Question 4

Name a common genus of the Botfly larva that may be visible in a fecal sample

Answer 4

Gasterophilus sp.

Question 5

Name two visible pseudo parasites that may be found in a fecal sample

Answer 5

Maggots and pollen grains

Question 6

What is the name of the scanning technique for a though microscopic search?

Answer 6

Battlement pattern (use debris as markers for fields)

Question 7

A direct smear is the best technique for identifying what organisms?

Answer 7

Motile Protozoans

Question 8

What are the advantages of a direct smear?

Answer 8

minimal time and equipment

Question 9

Disadvantage of direct smear

Answer 9

False negatives