INFECTIVE STAGES Flashcards

1
Q

Ascaris suum infective stage

A

L3

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2
Q

Toxocara canis infective stage

A

L3

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3
Q

No transplacental and transcolostral transmission

A

Ascaris suum

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4
Q

modes of transmission of Toxocara canis

A

✓ Transplacental
✓ Tranmammary or Transcolostral or Lactogenic route infection
✓ Ingestion of infective egg or paratenic hosts

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5
Q

Transmission of Toxocara cati

A

✓ in utero
✓ Transmammary

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6
Q

Toxascaris leonina infective stage

A

L2

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7
Q

Toxocara vitulorum also known as?

A

Neoascaris vitulorum

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8
Q

Trichuris vulpi infective stage

A

L1

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9
Q

Infective stage of Trichinella spiralis

A

L1

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10
Q

Types of life cycle of Ascaris suis/suum

A

tracheal route of migration

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11
Q

Types of life cycle of Parascaris equorum

A

tracheal route of migration

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12
Q

Types of life cycle of Toxocara/Neoascaris vitulorum

A

Somatic route of migration

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13
Q

Type of transmission of Toxocara/Neoascaris vitulorum

A

Transmammary

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14
Q

Heterakis gallinae infective stage

A

L2

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15
Q

Ascaridia galli infective stage

A

L2

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16
Q

Modes of transmission of Strongyloides spp

A

• Transcolostral part. in swine
• hyperinfection (S. stercoralis)
• autoinfection
• ingestion of infective larva
• skin penetration

17
Q

Oesophagostomum sp. infective stage

A

L4 & L5

18
Q

Infective stage of Chabertia ovina

A

L5

19
Q

Stephanurus dentatus infective stage

A

L3

20
Q

infective stage of Dioctophyma renale “giant Kidney worm

A

L3

21
Q

Infective stage of Toxascaris leonina

A

L2

22
Q

Infective stage Enterobius vermicularis

A

S3