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PARASITOLOGY MIDTERMS > TREMATODES > Flashcards

TREMATODES Flashcards

1
Q

is an infection of humans
and other mammals by trematodes of the
genus Paragonimus

A

Paragonimiasis

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2
Q

In the Philippines, __ is also the major species that causes
paragonimiasis in humans.

A

P. westermani

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3
Q

The only other
species in the Philippines is __ which
has only been identified in cats

A

P. siamensis,

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4
Q

observed the first case of
pulmonary paragonimiasis in humans during
an autopsy in Formosa

A

Ringer

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5
Q

in Japan and Manson (1880) in Formosa
identified Paragonimus ova in human sputum.

A

Baelz

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6
Q

described the first case of
human paragonimiasis in the Philippines.

A

Musgrave (1907)

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7
Q

resembles coffee bean

A

P. westermani

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8
Q

1st IH of P. westermani

A

Antemelania asperata and Antemelania dactylus

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9
Q

Antemelania asperata and Antemelania
dactylus, the former previously known as

A

Brotia asperata

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10
Q

2nd IH of P. Westermani

A

Sundathelphusa philippina

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11
Q

Sundathelphusa philippina
formerly known as

A

Parathelphusa
grapsoides.

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12
Q

have been found to
play an important role in the development of
young parasites because of their involvement in
the metacercarial excystment, tissue invasion,
and immune modulation of the host

A

Cysteine proteases

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13
Q

This fasciolid digenetic trematode is the
largest intestinal fluke of humans and pigs

A

Fasciolopsis buski

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14
Q

CN of Fasciola Hepatica

A

(Sheeps Liver fluke)

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15
Q

CN of Fasciola Gigantica

A

(Giant Liver fluke)

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16
Q

1st IH of FASCIOLA HEPATICA / GIGANTICA

A

Lymnea philippinensis
- Lymnea swinhoe
- Radix rubiginosa (snails)

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17
Q

2nd IH of FASCIOLA HEPATICA / GIGANTICA

A

Ipomoea aquatica (Kangkong/ Swamp Cabbage)
- Ipomoea obscura (Obscure morning glory)
- Nasturtium officionale (watercress)

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18
Q

Reservoir host of FASCIOLA HEPATICA / GIGANTICA

A

Sheep/cattle

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19
Q

yellow brown
Large, ovoid, operculated (Hen’s egg)

A

FASCIOLA HEPATICA / GIGANTICA

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20
Q

Laryngopharyngitis due to eating raw infected liver of sheep or goat > young adults attach to pharynx > may cause asphyxia

A

Halzoun (Pharyngeal Fascioliasis)

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21
Q

DX of FASCIOLA HEPATICA / GIGANTICA

A

Recovery of eggs
- FAST (Falcon Assay Screening Test) “secretory - excretory antigen in serum”

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22
Q

CN of FASCIOLOPSIS BUSKI

A

Giant Intestinal Fluke

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23
Q

1st IH of FASCIOLOPSIS BUSKI

A

Segmentina
- Hippeutis

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24
Q

2nd IH of FASCIOLOPSIS BUSKI

A
  • Trapa bicornis (water caltrop)
  • Eliocharis tuberosa (water chestnut)
  • Ipomoea obscura
  • Nymphaea lotus
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25
Q

final host of FASCIOLOPSIS BUSKI

A
  • Man
  • Pigs
26
Q

CN of Clonorchis Sinensis

A

Chinese / Oriental Liver Fluke

27
Q

1st IH of Clonorchis Sinensis

A
  • Parafossarulus
  • Bulimus
  • Alcocinma
  • Thiara
  • Melanoides
28
Q

2nd IH of Clonorchis Sinensis

A

carps and minnows)

29
Q

Final host of Clonorchis Sinensis

A

Man

30
Q

“Old fashioned electric bulb” shape

A

Clonorchis Sinensis

31
Q

CN of OPISTHORCHIS FELINEUS & OPISTHORCHIS VIVERRINI

A

Cat liver fluke

32
Q

1st IH of OPISTHORCHIS FELINEUS & OPISTHORCHIS VIVERRINI

A

Bithynia leachi

33
Q

2nd IH of OPISTHORCHIS FELINEUS & OPISTHORCHIS VIVERRINI

A

(carps and minnows)

34
Q

CN of ECHINOSTOMA ILOCANUM

A

Garrison’s fluke

35
Q

(dumbbell shaped) testes

A

ECHINOSTOMA ILOCANUM

36
Q

1st IH of ECHINOSTOMA ILOCANUM

A
  • Gyraulus convexiusculus
  • Hippeutis umbilicus
37
Q

2nd IH of ECHINOSTOMA ILOCANUM

A

pila luzonica (kuhol) / pila conica

38
Q

germ ball ova

A

ECHINOSTOMA ILOCANUM

39
Q

CN of HETEROPHYES HETEROPHYES

A

heterophyd worm

40
Q

Smallest yet deadliest trematode

A

HETEROPHYES HETEROPHYES

41
Q

1st IH of HETEROPHYES HETEROPHYES

A
  • Melanoides juncea
    -Thiara riquetti
42
Q

2nd IH of HETEROPHYES HETEROPHYES

A

chanos chanos (milkfish/bangus)

43
Q

smallest eggs, rounded, embryonated, golden brown, oval w/ flattened operculum

A

HETEROPHYES HETEROPHYES

44
Q

Cn of PARAGONIMUS WESTERMANI

A

oriental lung fluke

45
Q

1st IH of PARAGONIMUS WESTERMANI

A
  • Brotia asperata
  • Antemelania asperata
46
Q

2nd IH of PARAGONIMUS WESTERMANI

A
  • Parathelphusa grapsoides
  • Sundathelpusa philippina (talangka)
47
Q

DX of P. westermani

A

Sputum exam

48
Q

2 suckers of trematodes

A

Oral sucker
Ventral sucker (acetabulum)

49
Q

infective stage of trematodes

A

Metacercaria = INFECTIVE STAGE (EXC Schistosoma spp.

50
Q

MOT of Trematodes

A

Ingestion

51
Q

CLASSIFICATION OF TREMATODES
ACCORDING TO ORGAN OF ATTACHMENT:

A

Oral suckers
Ventral suckers

52
Q

ACCORDING TO HABITAT:

A

Blood fluke - Schistosoma spp
Lung fluke - P. westermani
Liver & Bile flukes - Fasciola, Clonorchis, Opistorchis
Intestinal flukes - Fasciolopsis, Echinostoma, Heterophyids

53
Q

Blood flukes

A

schistosoma spp

54
Q

lung fluke

A

p. westermani

55
Q

Liver & Bile flukes x

A

Fasciola, Clonorchis, Opistorchis

56
Q

Intestinal flukes -

A

Fasciolopsis, Echinostoma, Heterophyids

57
Q

Immature eggs

A

Paragonimus, Fasciolopsis, Echinostoma, Fasciola

58
Q

mature eggs

A

Schistosoma, Clonorchis, Opistorchis, Heterophyids

59
Q

LIFE CYCLE OF TREMATODES:

A

Egg > (Larval stages) Miracidium > Sporocyst > Redia > Cercaria > Metacercaria > Adult

60
Q
A

PARASITOLOGY MIDTERMS (3 decks)

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