Carnivores

Question 1

S, oval, asymmetrical with operculum, 2 shells, embryo. (miracidium), ye

Answer 1

Opistorchis tenuicollis (felineus)
O. siensis
O. vivierni

S, oval, asymmetrical with operculum, 2 shells, embryo. (miracidium), ye

trematode

Question 2

S, oval with operculum, 2 shells, unembryonated, brown

Answer 2

Metagonimus yokogawaii

S, oval with operculum, 2 shells, unembryonated, brown

trematode

Question 3

Large, oval-s, 2 thin shells + operculum, unembryonated, transparent

Answer 3

Alaria atlata
A. canis

Large, oval-s, 2 thin shells + operculum, unembryonated, transparent

trematode

Question 4

Answer 4

Giardia intestinalis – duodenalis

Small, oval, 2 thin shells, sporulates/unsporulated, transparent

protozoa

Question 5

Answer 5

Cystoisospora canis
Cystoisospora ohionensis
Cystoisospora rivolta
Cystoisospora felis (!)

Small, oval, 2 thin shells, unsporulated or sporulated, transparent

protozoa

Question 6

Answer 6

Sarcocystis bovicanis
Sarcocystis suicanis
Sarcocystis ovicanis
Sarcocystis equicanis
Sarcocystis bovifelis
Sarcocystis ovifelis
Sarcocystis porcifelis

Small, oval, 2 thin shells, transparent.

protozoa

Question 7

Answer 7

Toxoplasma gondii

Small, round, 2 thin shells, unsporulated or sporulated, transparent

protozoa

Question 8

Answer 8

Taenia spp:
T. taeniaeformis, T. pisiformis, T. hydatigena, T. Ovis, T. Multiceps, T. Serialis, E. granulosus, E. multilocularis

S, spherical/rounded, 3 thick s, E (oncosphere), B/G
(“mini toxocara”).

cestode

Question 9

Answer 9

Mesocestoides lineatus
1IH – oribatid mites – cysticercoid
2IH – amphibians, reptiles, birds, small mammals – tetrathyridium

cestode

Question 10

Answer 10

Diphylidium caninum

S, rounded, 3 thick shells, E, brown.
In cocoon with 5-30 eggs inside.

cestode

Question 11

Answer 11

Diphyllobothrium latum

Medium, ovoid, 2 thin shells + operculum, unembryonated, yellow/brown

cestode

Question 12

Answer 12

Strongyloides stercoralis

Small, oval, 2 thin shells, embryonated (L1), transparent

nematode

Question 13

Answer 13

• Ancylostoma caninum
• Acylostoma duodenale (man)
• A. tubaeforme, A. brasiliense
• Uncinaria stenocephala (dog)

Medium, ovoid - s, 2 thin shells, UE (4-8 blastomeres), greyish

nematode

Question 14

Answer 14

Toxocara canis
Toxocara cati

M, subspherical, 3 thick shells, rough surface, UE - 1 blastomers, DB

nematode

Question 15

Answer 15

Toxoscaris leonina

M, widely oval, 3 thick shells, smooth surface, UE - 1 blastomer, LB

nematode

Question 16

Answer 16

Trichuris vulpis

M, lemon-shaped - s, 2 shells with plugs, UE, brown/reddish

nematode - enoplida

Question 17

Answer 17

Capillaria acrophile
Capillaria plica
Capillaria hepatica

S, barrel shaped - as, 2 flat polar plugs, 2 thin shells, UE, Y/G/LB

nematode - enoplida

Question 18

Answer 18

Paragonimus westermani

L, oval, 2 thin shells - operculum, unembryonated, yellow brown.

lung trematode

Question 19

Answer 19

Angiostrongylus vasorum

• L1: posterior end with notch and
  dorsal spine

Aelurostorngylus abstrusus

• L1: posterior end with notch and
  thorn-like projection

nematode - larvoscopic method

Question 20

Protozoa

flotation - faust

Answer 20

1. Giardia intestinalis
2. Cryptosporidium spp canis and felis
3. Cystoisospora canis, ohinonensis (ca), rivolta, felis (fe)
4. Sarcocystis bovicanis, suicanis, ovicanis, equicanis, bovifelis, ovifelis, porcifelis
5. Toxoplasma gondii
6. Neospora caninum

Question 21

Ectoparasites

Answer 21

1. Ixodes Ricinus
2. Dermacentor marginatus, reticulatus
3. Sarcoptes scabiei var. canis, felis
4. Demodex canis
5. Notoedres cati
6. Ctenocephalides canis, felis

Question 22

Trematodes

sedimentation

Answer 22

1. Alaria atlata
2. Metagonimus yokogawai
3. Opistorchis tenuicollis, sinensis
4. Paragonimus westermani, kellicotti - lung trematode

Question 23

Cestodes

flotation - kozak-magra

Answer 23

1. Diphyllobothrium latum
2. Dipylidium caninum
3. Mesocestoides lineatus
4. Echinococcus granulosus, multiocularis
5. Taenia pisiformis – cysticercus pisiformis
6. Taenia hydatigena - cysticercus tenucollis
7. Taenia taeniaeformis – cysticercus fasciolaris
8. Taenia ovis – cysticercus ovis
9. Taenia multiceps – coenurus cerebralis
10. Taenia serialis – coenurus serialis

Question 24

Nematodes

flotation - kozak magra

Answer 24

Rhabditida

1. Strongyloides stercoralis

Strongylida

1. Ancylostoma caninum, duodenale
2. Uncinaria stenocephala
3. Angiostrongylus vasorum - lung worm
4. Aelurostrongylus abstrusus - lung worm
5. Crenosoma vulpis, Filaroides spp., Oslerus spp. - lung worm

Ascaridida

1. Toxocara canis, cati
2. Toxascaris leonina

Spirurida

1. Dirofilaria immitis - heartworm
2. Dirofilaria repens - cutaneous infection

Enoplida

1. Trichuris vulpis - cecum, colon
2. Capillaria aerophila(trachea, bronchi) C. plica (urinary bladder), hepatica (liver)