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GIT Revision > Flukes > Flashcards

Flukes Flashcards

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Git Commands flashcards
1
Q

Describe the life cycle of Schistosoma mansonii

A

Free-swimming larvae in fresh water penetrate skin and enter circulation
Migrates to portal blood in liver, matures
Migrate to mesenteric venules of bowel/rectum and venous plexus of bladder
Shed in faeces
Infects freshwater snails

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2
Q

What are some of the possible long term sequelae of infection with Schistosoma?

A

Dermatitis or asymptomatic in light infections

Heavy infections can cause hepatosplenomegaly and portal hypertension

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3
Q

How is infection with Schistosoma diagnosed?

A

Eggs in faeces on wet mount

Serology

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4
Q

How is infection with Schistosoma treated?

A

Anti-helminthic

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5
Q

How is Schistosoma prevented?

A

Molluscacides
Sanitary disposal of sewage
Treatment of carriers

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6
Q

What kind of immune response is mounted to Schistosoma?

A

Weak (chronic and repeated infections are common)

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7
Q

Where is Schistosoma found?

A

Africa, South America, Caribbean

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GIT Revision (37 decks)

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