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Parasitology > Cestodes / Tapeworms > Flashcards

Cestodes / Tapeworms Flashcards

1
Q

Mode of Transmission

A

Ingestion
Autoinfection
(T. solium, H. nana)

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2
Q

Signs of effective therapy

A

Recovery of scolex in stool and (-) stool exam three months after treatment

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3
Q

Classification pf Cestodes

A

Order Pseudophyllidea

Order Cyclophyllidea

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4
Q

Broad fish tapeworm

A

Diphyllobothrium latum

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5
Q

Pork tapeworm

A

Taenia solium

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6
Q

Taenia saginata

A

Beef tapeworm

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7
Q

Dwarf tapeworm

A

Hymenolepis nana

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8
Q

Rat tapeworm

A

Hymenolepis diminuta

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9
Q

Dipylidium caninum

A

Double pored dog tapeworm

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10
Q

Hydatid worm

A

Echinococcus granulosus

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11
Q

Common rat tapeworm

A

Raillietina garrisoni

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12
Q

Final host of D. latum

A

Man, dog, cat

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13
Q

Final Host of T. solium

A

Man

IH if eggs are ingested

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14
Q

FH of T. saginata

A

Man

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15
Q

FH of H. nana

A

Man (DH or IH)

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16
Q

FH of H. diminuta

A

Rat

Man (accidental)

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17
Q

FH of D. caninum

A

Dog

Man (accidental)

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18
Q

FH of E. granulosus

A

Dogs

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19
Q

FH of Railletina garrisoni

20
Q

Cestode with paratenic host

A

D. latum

Carnivorous fish

21
Q

IS of D. latum

A

Plerocercoid or

Sparganum

22
Q

IS of T. solium

A

Cysticercus cellulosae

Bladderworm

23
Q

IS of T. saginata

A

Cysticercus bovis

24
Q

IS of H. nana

A

Cysticercoid
Embryonated ova
(Direct cycle)

25
Q

IS of H. diminuta

A

Cysticercoid

26
Q

IS of D. caninum

A

Cysticercoid

27
Q

IS of E. granulosus

A

Hydatid cyst

Embryonated ova

28
Q

IS of Railletina garrisoni

A

Cysticercoid

29
Q

Scolex of D. latum

A

Spoon shaped
Spatulate shaped
Almond shaped
With two bothria

30
Q

Scolex of T. solium

A

GLOBULAR
Four cuplike suckers
ARMED: rostellum
With 25-30 hooks

31
Q

Scolex of T. saginata

A

CUBOIDAL
four cuplike suckers
UNARMED
No rostellar hooks

32
Q

Scolex of H. nana

A

SUBGLOBULAR
Four cuplike suckers
ARMED: rostellum
with 20-30 hooks

33
Q

Scolex of H. diminuta

A

CLUB/KNOB SHAPED
four cuplike suckers
UNARMED
No rostellar hooks

34
Q

Scolex of D. caninum

A

GLOBULAR
four cuplike suckers
ARMED: 1-7 rows
rosethorn hooklets

35
Q

Scolex of E. granulosus

A

PYRIFORM
Four cuplike suckers
ARMED: rostellum
with 30-36 hooks

36
Q

Scolex of R. garrisoni

A

SUBGLOBULAR
Four cuplike suckers
ARMED: 90-140
hammershaped hooks

37
Q

Mature / gravid segment of D. latum

A

Highly coiled uterus
(Rosette uterus)
Symmetrical
Bilobed ovary

38
Q

Mature / gravid segment of T. solium

A

7-15 lateral branches

Dendritic or fingerlike

39
Q

Mature / gravid segment of T. saginata

A

15-20 lateral branches

Dichotomous or treelike

40
Q

Mature / gravid segment of H. nana

A

3 testes + 1 ovary
(In straight line)
1 uterus

41
Q

Mature / gravid segment of H. diminuta

A

3 testes + 1 ovary
(In straight line)
1 uterus

42
Q

Mature / gravid segment of D. caninum

A

Bilateral genital pore
PUMPKIN
Rice granule
MELON shaped

43
Q

Mature / gravid segment of E. granulosus

A

Midline uterus with Taenia-like egg

44
Q

Mature / gravid segment of R. garrisoni

A

Bilobed ovary Surrounded
by 36-50 ovoid testes
Rice grain shape
gravid proglottid

45
Q

Habitat of tapeworms

A

Small intestine

Parasitology (8 decks)

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