Parasitology Weekly Review Questions

Question 1

What is the common name of Strongyloides spp.?

Answer 1

Intestinal threadworm.

Question 2

What is the scientific name of the Northern Canine Hookworm?

Answer 2

Uncinaria stenocephala.

Question 3

Which affects cats?

Answer 3

Ancylostoma tubaeforme.

Question 4

What is the scientific name of the bladder worm?

Answer 4

Pearsonema plica.

Question 5

What size is the bladder worm egg?

Answer 5

60um.

Question 6

What colour is the canine hookworm adult?

Answer 6

Pink to reddish brown.

Question 7

What is the paratenic host in the life cycle of of the bladder worm?

Answer 7

Earthworm.

Question 8

Define melena.

Answer 8

Black tarry stool.

Question 9

What is the size of the Strongyloides stercoralis egg?

Answer 9

50um.

Question 10

How can male and female Trichuris spp. adults be differentiated?

Answer 10

Males have a coiled caudal end whereas females have a straight caudal end.

Question 11

What is the average size of the swine Trichostrongyle egg?

Answer 11

~80um.

Question 12

Which equine parasite has the same life cycle as Toxocara canis?

Answer 12

Parascaris equorum.

Question 13

Identify the genus and species of one GIN.

Answer 13

Haemonchus contortus.

Question 14

What is the common name of Ascaris suum?

Answer 14

Swine roundworm.

Question 15

Which of the equine strongyles has no teeth?

Answer 15

Strongylus edentatus.

Question 16

How can the consistency of normal bovine feces be described?

Answer 16

Thick pancake batter.

Question 17

Swine intestine is uncommonly used for sausage casing because of which parasite?

Answer 17

Oesophagostonum dentatum.

Question 18

What generic term is used for strongyle eggs found in ruminants?

Answer 18

Gastrointestinal nematode (GIN).

Question 19

What generic term is used for strongyle eggs found in swine?

Answer 19

Trichostrongyle egg.

Question 20

What generic term is used for strongyle eggs found in horses?

Answer 20

Strongyle egg.

Question 21

What is the diagnostic test of choice for Trichostrongylus axei?

Answer 21

Fecal floatation.

Question 22

What is the predilection site for equine strongyles?

Answer 22

Large intestine.

Question 23

A symbiotic relationship where both partners benefit is called…

Answer 23

Mutualism.

Question 24

What is the scientific name of the bovine roundworm?

Answer 24

Toxocara vitulorum.

Question 25

What is the final host for Baylisascaris procyonis?

Answer 25

Raccoon.

Question 26

What size of a Toxascaris leonina egg?

Answer 26

90um.

Question 27

Which parasite mode of transmission is used to describe a life cycle with more than one host?

Answer 27

Indirect.

Question 28

What is the final host for Toxocara cati?

Answer 28

Cats.

Question 29

What is the common name for Toxascaris leonina?

Answer 29

Canine and feline roundworm.

Question 30

The sea cucumber and pearl fish is an example of which symbiotic relationship?

Answer 30

Commensalism.

Question 31

In which phylum does Baylisascaris procyonis belong?

Answer 31

Nematoda.

Question 32

What is the scientific name of the parasite that causes trichinosis in humans?

Answer 32

Trichinella spiralis.

Question 33

What is the infective stage of the equine pinworm?

Answer 33

L3 in the egg.

Question 34

What is the common name of Eucoleus aerophilus?

Answer 34

Canine and feline lungworm.

Question 35

Cutaneous habronemiasis is also known as?

Answer 35

Summer sores.

Question 36

What is the definition of catarrhal?

Answer 36

Inflammation of a mucous membrane with increased production of mucous.

Question 37

What is the scientific name of the thread-necked worm of ruminants?

Answer 37

Nematodirus spp.

Question 38

True or False: If an egg of the thread-necked worm of ruminants is seen microscopically, we call it a GIN egg.

Answer 38

False. Due to their large size than can be easily identified.

Question 39

What is the predilection site for the equine lungworm?

Answer 39

Bronchi and Bronchioles.

Question 40

What is the diagnostic test of choice for the swine lungworm?

Answer 40

Fecal floatation.

Question 41

What is the mode of transmission in the Habronema spp. life cycle?

Answer 41

Indirect.