Roundworm infections (Roundworms in general, Equine Parascariosis, Bovine Toxocarosis, Porcine Ascariosis, Ascaridiosis, Toxocarosis and Taxascariosis) Flashcards

1
Q

Ascarid roundworms in general are…

A

Spindle-shaped

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2
Q

Parascaris worms may cause…

A

Peritonitis
Dx
Coughing

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3
Q

What is the shape of the eggs of Parascaris worms?

A

Spherical

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4
Q

Which of the roundworms have eggs with not elongated, but ovoid shape?

A

Ascaris

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5
Q

What is the best way to detect the eggs of Toxocara vitulorum?

A

Flotation

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6
Q

Ascarid roundworms always produce…

A

Thick-shelled eggs

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7
Q

A typical autopsy/necroscopy finding on the course of acariosis is…

A

Cloudy, whitish spots on the liver

Pneumonia

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8
Q

The eggs of Toxocara canis are…

A

Subglobular
Brown-shelled
Thick walled

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9
Q

The type of the life cycle for Toxocara cati can be…

A

Acaroid

Toxocaroid

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10
Q

Which roundworms occur in very young aged final hosts only, but not in adults?

A

Toxocara vitulorum

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11
Q

Ascarid roundworms in general have…

A

3 lips on themouth

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12
Q

Ascaris worms may cause…

A

Coughing
Dispnea
Enteritis

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13
Q

What is the shape of the eggs of Ascaridia worms?

A

Elongated

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14
Q

Which of the roundworms have eggs with three-layered shell?

A

All of them!!

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15
Q

What is the best way to detect the eggs of Parascaris equi?

A

Flotation

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16
Q

Ascarid roundworms always…

A

Produce zygote containing egg

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17
Q

A typical necroscopy finding on the course of toxocariosis of young animals is…

A

Enteritis

Haemorrhages in the lungs

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18
Q

The eggs of Toxascaris leonina are…

A

Subspherical

Colourless

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19
Q

The type of the life cycle for Toxocara canis can be…

A

Ascaroid

Toxocaraoid

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20
Q

A dog can be infected with…

A

Toxocara

Toxascaris

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21
Q

Ascarid roundworms in general…

A

Have 3 lips around the mouth

Have separate sexes

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22
Q

These worms may cause nervous clinical signs sometimes:

A

Parascaris
Ascaridia
Toxocara
(not ascaris)

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23
Q

What is the surface of the eggs of Toxoscaris worms like?

A

Smooth

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24
Q

What host is susceptible for Ascaridia galli?

A

Duck
Chicken
Guinea fowl

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25
Q

What is the best way to detect eggs of Toxocara canis?

A

Flotation

26
Q

Ascarid roundworms in general…

A

Have 3 forms of life cycle

27
Q

Signs on the course of Toxocara vitulorum infection…

A

Enteritis
Abd pain
Acetone-like odour

28
Q

The eggs of Ascaris suum have…

A

Three walls
Mammilated surface
A zygote inside when they are fresh

29
Q

This worm can settle in histotrop phase in the mucosa of the intestine:

A

Ascaridia

Toxascaris

30
Q

A cat can be infected with…

A

Toxocara

Toxascaris

31
Q

The size of Ascaridia eggs is…

A

90 μm

32
Q

Based on the morphology of the eggs you can recognise these roundworm species

A

T. leonina

33
Q

PE-2 of Parascaris equorum is…

A

Ascaroid

34
Q

Toxocara canis adult is about … long?

A

10-18cm

35
Q

Somatic migration of larva is related to this kind of PE-2.

A

Other

36
Q

The odour of meat can be aceton-like in…

A

Calf (for bovine toxocarosis)

37
Q

The surface of egg is smooth of this species…

A

T. leonina

38
Q

You can detect Toxocara vitulorum eggs from these cattle.

A

< 4 mnths old

39
Q

Turkeys can be infected with…

A

Ascaridia galli
A. dissimilis

(Not A. collumbae- this is pigeons)

40
Q

What is the size of Ascaris suum egg?

A

50-70 μm

41
Q

PE-2 of Toxocara vitulorum is…

A

Toxocaroid

42
Q

The female roundworm is…

A

Oviparous

43
Q

PE-2 of this/these species is not toxocaroid type?

A

Toxascaris leonina (also Ascaridia galli)

44
Q

How many ways of infection are there in roundworms of dogs?

A
4
Prenatal
Galactogenically 
Via paratenic host
PO
45
Q

What is the name of the roundworm species, which is PE-2 is ascaridioid type?

A

T. leonina

A. galli

46
Q

How are cats infected with roundworm?

A

Galactogenically
Paratenic host
PO

47
Q

Toxocara Vitolorum cannot infect?

A

Horse
Dog
Cat

48
Q

What is the difference between the infection of cat and dog with roundworms?

A

Cat has no prenatal route

49
Q

What kind of methods are used for detecting roundworm eggs of piglets?

A

None!!

Roundworms eggs life cycle is 2 months

50
Q

What is the PE-2 of Parascaris equorum?

A

Ascaroid type migration (entero-hepato-pulm migration)

51
Q

What kind of eggs can be mixed with the eggs of A. Galli?

A

Heterakis gallinarum

52
Q

How can the birds become infected with roundworms?

A

Infection by larvated eggs or by eating the paratenic host

53
Q

How many eggs of roundworms can be found in the feces of heifers?

A

No eggs in heifers as we never detect the eggs in adults

54
Q

Which method of transmission results in patency in a T. vitulorum infection?

A

Galactogenic infection (PO there is no eggs in the feces as the larvae hatch and migrate elsewhere in the body)

55
Q

How big is the egg of Parascaris equorum?

A

90-100 μm

56
Q

What is the shape of the eggs of Parascaris equorum?

A

Spherical

57
Q

What is the color of the egg of Parascaris equorum?

A

Yellowish brown

58
Q

Roundworm that does not cause liver or lung lesions?

A

Ascaridia galli

59
Q

Which eggs have similar maximal size to Troches vulpis egg?

A

Toxocara canis

60
Q

Which roundworm species can also be found in lions?

A

T. leonina