Parasitology

Question 1

Oviparous would be explained as what kind of reproductive category?

Answer 1

The ova is produced within the parasite, which pass out of the parasite & into the host, then out of the host as ova. MOST COMMON.

Question 2

Ovoviviparous would be explained as what kind of reproductive category?

Answer 2

The ova is produced within the parasite, which passes into the host as ova, then hatch into larvae and pass out of the host as larvae.

Question 3

Viviparous would be explained as what kind of reproductive category?

Answer 3

The ova is produced within the parasite, then hatches into larvae within the parasite, and passes into the host and out of the host as larvae.

Question 4

Parasitiasis

Answer 4

Parasite is present on the host and is potentially pathogenic, but animal exhibits no outward signs.

Question 5

Parasitosis

Answer 5

Parasite present on host and exhibits obvious outward signs and harm.

Question 6

Platyhelminthes

Answer 6

Flatworms

Question 7

Nemahelminthes

Answer 7

Roundworms

Question 8

Arthorpoda

Answer 8

Ectoparasites

Question 9

What are the two classes of flatworms

Answer 9

Trematoda - not that common

Cesotda - tapeworms

Question 10

Liver Fluke technical name

Answer 10

Fasciola hepatica

Question 11

Fasciola hepatica - IH, Host, and morphology:

Answer 11

(Liver Fluke)
IH- snail
Host- Ruminants
Morphology- yellowish-brown single operculated oval

Question 12

Pathogenesis, diagnosis, and treatment of Liver Fluke

Answer 12

Large #s can cause hemmorage
Blacks disease

Diag- ova in feces

Tx- Ivermectin or Albendazole

Question 13

Which is the most economically important fluke?

Answer 13

Liver Fluke - 1 fluke found = whole herd condemned

Question 14

Paragonimus kellicotti common name

Answer 14

Lung Fluke

Question 15

Host of lung fluke

Answer 15

Dogs & Cats

Question 16

Paragonimus kellicotti facts

Answer 16

found in Missouri

IH- Snail then Crayfish

Question 17

All flukes go through how many larval stages?

Answer 17

5

Question 18

Nanophyetus salmincola common name

Answer 18

Salmon poisoning fluke

Question 19

Salmon poisoning fluke IH, Host

Answer 19

IH- snail & salmon

Host- dogs & cats

Question 20

Cestoda common name

Answer 20

Tape worm

Question 21

ALL tape worms live in the ___ to ____

Answer 21

GI tract to absorb nutrients

Question 22

Common pathology seen with tapeworm infestations:

Answer 22

Failure to gain weight
Poor hair coat
Possible obstruction signs
Big appetite but no gain

Question 23

Dipylidium caninum common name

Answer 23

Flea tapeworm

Question 24

Dipylidium caninum IH, Host, and site of infestation

Answer 24

IH- flea
Host- dogs and cats
Site- small intestine

Question 25

Treatment of dipylidium caninum

Answer 25

Praziquantal

Epsiprantal

Question 26

Diagnosis of flea tapeworm

Answer 26

Proglottid in feces & hair coat

Question 27

Taenia common name

Answer 27

Tapeworm