Quiz
Fasciola hepatica
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Questions in this quiz (17)
1What is the name of the snail that is the most important intermediate host in Australia?
- AAustropeplea tomentosa
- BPseudosuccinia columella
- CLand snail
2Label the life cycle of Fasciola hepatica
- ASporocyst
- BSporozoite
- CFormation of rediae
- DFormation of cercaria
- ERediae filled with cercariae
- FSporocyst filled with rediae
- GCercariae emerge
- HRediae emerge
- ICercariae encyst on vegetation
- JRediae encyst on vegetation
- KMetacercariae ingested
- LCercariae ingested
- MJuveniles enter duodenum
- NJuveniles enter liver
- OFluke moves to liver
- PFluke moves to lungs
- QEntry to bile duct
- REntry to liver
- SEgg in faeces
- TEgg in urine
- UEggs develop in water
- VEggs die in water
- WMiracidia penetrate snail
- XMiracidium penetrate snail
3What are the 3 main factors that are associated with fasciolosis outbreaks?
- ASuitable snail habitat (ponds, streams, irrigation canals)
- BTemperature > 10 degrees
- CMoisture
- DTemperature < 30 degrees
- EFood available
- FSuitable snail habitat (pastures, crops)
4What are the types of disease associated with fasciolosis?
- AAcute, subacute and chronic
- BAcute and chronic
- CAcute only
- DChronic is the only type with clinical significance
5What is associated with chronic disease?
- AOccurs 4-5 months after ingestion of metacercariae
- BOccurs 10-12 months after ingestion of metacercariae
- COccurs 1-2 months after ingestion of metacercariae
- DCauses billary fibrosis and calcification
- EHemorrhage and necrosis of liver
6Acute disease is most common in [blank_start]sheep[blank_end], occurs [blank_start]2-6 weeks[blank_end] after ingestion of large numbers of [blank_start]metscercariae[blank_end]. Causes [blank_start]hemorrhages[blank_end] and necrosis of the [blank_start]liver.[blank_end]
- Asheep
- Bcattle
- C2-6 weeks
- D4-8 weeks
- Emetacercariae
- Fsporocytes
- Ghemorrhages
- Hcalcification
- Iliver
- Jbillary duct
7In an acute disease how many metacercariae are ingested by an animal?
- A>2000
- B500-1500
- C200-500
8What stage of disease causes liver damage pictured?
- AAcute
- BSubacute
- CChronic
9How many adult liver flukes does it take to cause death in sheep?
- A500
- B250
- C1000
- D100
10How many adult liver flukes does it take to cause significant production loss?
- A20-30
- B100 -150
- C50-60
- D10-20
11How big is this F. hepatica egg?
- A130 x 60 um
- B130 x 60 ym
- C200 x 60 um
- D120 x 30 um
12What is the pre-patent period of F. hepatica?
- A3-4 months
- B5-6 months
- C10-12 monts
- D1-2 months
13What are the 3 main diagnostic techniques used to detect an infection of Fasciola hepatica?
- ASedimentation test
- BELISA
- CPCR
- DPost mortem findings (liver - enlarged, hemorrhagic, necrotic lesions, fibrosis, pale, firm)
- EZinc sulfate flotation test
- FFecal egg count
14What methods of snail control are used to prevent disease spread?
- AAnthelmintics
- BPasture management
- CCulling infected animals
15What chemotherapeutics are used to control Fasciola hepatica?
- ATriclabendazole
- BAlbendazole
- CClosantel
- DClorsulon
- ENitromec
16How many preventative drenches should be administered per year and when?
- ATwo - Late autumn, Early summer
- BOne - Late winter/ early spring
- CThree - Late autumn, Late winter/early spring, Mid summer
17What type of Fasciola is this?
- AF. hepatica
- BF. gigantica
- CF. magna
Information
- Description
- Trematode - Helminths
- Author
- Caitlin Wringe
- Language
- English
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- 11
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