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Parasite I Final Review > Block 1 > Flashcards

Block 1 Flashcards

1
Q

Fasciola hepatic

A

Bile ducts of liver
Live fluke
DH: Cattle, sheep, goats, ruminants, humans
IH: Snails

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2
Q

Trematoda are Hermaphrodite

A

Two testes and one ovary
Oral suckers surrounds the mouth esophagus to a pair or blind ceca
Ventral Suckers surounds the genital pore)

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3
Q

Order Digenean

A

Show high specificity to their IH but more broad range of a DH
Sexual and Asexual generation

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4
Q

Fasciola Hepatic Life Cycle

A
  • Eggs that fall int water will develop into miracidium and hatch
  • Miracidium enters the IH of snail
  • Miracidium migrates to the gonad or digestive gland to form a sporocyst
  • Rediae into the tissue of the snail
  • Rediae to cercaria
  • Ceraria leaves the snail to swim in the water
  • METACERCARIA infective to sheep
  • 3-4 months
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5
Q

Facioloides magna

A

White tailed deer are parasites of the liver and bile ducts

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6
Q

Fasciolopsis bucski

A

Parasite of the small intestine of pigs and humans

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7
Q

Fascioloa Diagnosis

A

Sedimentation technique

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8
Q

Acute liver fluke disease

A

invasion of the liver by metacercariae

Clostridium novyi to mult. and damage tissue

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9
Q

Fasciola Treatment and Control

A

Snail Control, clorsulon and albendazole

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10
Q

Paramphistomum, Calicophoron sp, and Cotylophoran

A

Rumen Flukes liver flukes (diseases occurs during the migration)

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11
Q

Gastrodiscoides hominis

A

human monekey and apes liver flukes

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12
Q

Megalodiscus

A

Frogs liver flukes

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13
Q

Troglotrematidae

Treatment

A

Prauired by eating fish, crayfish, and crab

Praziquantel, Fenbendazle and Albendazole

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14
Q

Nanophyetus salmincola (PFA)

A

intestines (salmon poisoning in dogs)
IH: Snails
Cercariae penetrate skin of salmonid fish
DH infected by eating fish

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15
Q

Neorickettsia helminthoeca (PFA)

A

worm hose of salmon poisioning in dogs

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16
Q

Paragonimus kellicotti (PFA)

A

encysts in crayfish serve as the IH

17
Q

Paragonimus kellicotti (PFA)

A

Brown operculated eggs causes respiratory disease

18
Q

Heterophyidae (PFA)

A

Ventral sucker and genital pore in ventrogenital sac

19
Q

Gonotyls

A

Muscular suckers surrounding the genital pore

20
Q

Heterophyes heterophyes

A

Ventral suckers in cats and dogs

21
Q

Cryptocotyle libgua

A

Ventral suckers in dogs and causes black spot disease

22
Q

Metrochis conjuctus

A

North America liver fluke

23
Q

Opisthorchis spp.,

A

Pancreatic ducts and small intestines of dogs, cats, foxes
IH: Bithynia tentaculata
Encyst a crab

24
Q

Dicrocoeliidae

A

Trematodes acquired by eating Arthropods or vertebrates paratenic hosts (ANTS get snail slime)

25
Q

Dicrocoelium dendriticum

A

Bile duct of ruminants
Eggs on host’s droppings ingested by terrestrial snail
Cercariae are expelled in mucus masses (slime eaten by ants)
DH: Infected Ants
TX: Albendazole

Parasite I Final Review (5 decks)

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