7. Filariae Flashcards by Arvee Perez

Q

Periodicity of B. malayi

A

Nocturnal periodicity

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Q

Vectors for B. malayi

A

Aedes
Anopheles
Mansonia

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Q

Causes elephantiasis

A

B. malayi

W. bancrofti

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Q

Eyeworm

A

Loa loa

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Q

Periodicity of L. loa

A

Diurnal periodicity

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Q

Vector of L. loa

A

Chrysops fly

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Q

Bancroft’s filaria

A

W. bancrofti

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Q

Periodicity of W. bancrofti

A

Nocturnal periodicity

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Q

Vectors for W. bancrofti

A

Aedes
Anopheles
Culex

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Q

Blinding filaria

A

Onchocerca volvulus

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Q

Causes river blindness

A

O. volvulus

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Q

Specimen of choice for O. volvulus

A

Skin snips (Giemsa stain)

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Q

Vector for O. volvulus

A

Simulium blackfly

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Q

New World filaria

A

Mansonella ozzardi

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Q

Periodicity of M. ozzardi

A

No periodicity

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Q

Vector for M. ozzardi

A

Simulium blackfly

Culicoides midge

Q

Filariae with sheath

A

B. malayi: no nuclei in tail tip
L. loa: continuous nuclei in tail tip
W. bancrofti: 2 nuclei in tail tip

Q

Filariae without sheath

A

O. volvulus: no nuclei in tail tip

M. ozzardi: nuclei in tail, but not to tip

Q

Malayan filaria

A

Brugia malayi