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MICRO/PARA > LE 3 - Para > Flashcards

LE 3 - Para Flashcards

1
Q

Snails are both the first and second intermediate hosts of
a. Echinostoma ilocanum
b. Fasciola hepatica
c. Fasciolopsis buski
d. Paragonimus westermani

A

a. Echinostoma ilocanum

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2
Q

The eggs of paragonimus westermani may be demonstrated from the
a. Sputum
b. Stool
c. Urine
d. A and B

A

d. A and B

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3
Q
  1. What stage of the trematodes swims in the water
    a. Cercariae
    b. Redia
    c. Metacercariae
    d. Sporocyst
A

a. Cercariae

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4
Q
  1. What is the infective stage of Schistosoma to man
    a. Cercariae
    b. Embryonated egg
    c. Metacercariae
    d. Miracidium
A

a. Cercariae

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5
Q
  1. What is the usual manner of transmission of Schistosoma to man
    a. Arthropod vector
    b. Ingestion of the embryonated egg
    c. Skin penetration
    d. BandC
A

c. Skin penetration

POE:
Monoecious: Mouth Transmission via Ingestion
Dioecious: Skin Transmission via Penetration

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6
Q
  1. Molluscan host of Schistosoma in the Philippines is
    a. Australorbis mystax
    b. Biomphalaria alexandrina
    c. Coxiella bumetii
    d. Oncomelania quadrasi
A

d. Oncomelania quadrasi

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7
Q
  1. What Schistosoma present in the Philippines?
    a. Schistosoma haematobium
    b. Schistosoma japonicum
    c. Schistosoma mansoni
    d. Schistosoma mekongi
A

b. Schistosoma japonicum

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8
Q
  1. What Schistosoma produces more severe infection to man?
    a. Schistosoma haematobium
    b. Schistosoma japonicum
    c. Schistosoma mansoni
    d. Schistosoma mekongi
A

b. Schistosoma japonicum

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9
Q
  1. Which Schistosoma is more resistant to treatment?
    a. Schistosoma haematobium
    b. Schistosoma japonicum
    c. Schistosoma mansoni
    d. Schistosoma mekongi
A

b. Schistosoma japonicum

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10
Q
  1. Pipe -stem fibrosis of the liver in schistomiasis is due to what stage of the parasite?
    a. Adult
    b. Cercaria
    c. Egg
    d. Metacercaria
A

c. Egg

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11
Q
  1. Acute phase of first infection resembles typhoid fever
    a. Schistosoma haematobium
    b. Schistosoma japonicum
    c. Schistosoma mansoni
    d. Schistosoma mekongi
A

c. Schistosoma mansoni

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12
Q
  1. After penetration, the parasite inhabits the branches of the superior mesenteric vein adjacent to the small intestine.
    a. Schistosoma haematobium
    b. Schistosoma japonicum
    c. Schistosoma mansoni
    d. Schistosoma mekongi
A

b. Schistosoma japonicum

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13
Q
  1. What is the usual manner of transmission of schistosoma to man
    a. ingestion of the embryonated egg
    b. arthropod vector
    c. ingestion of metacercaria
    d. skin penetration of the cercariae
A

d. skin penetration of the cercariae

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14
Q
  1. Caused by ingestion of metacercariae on water plants.
    a. Fasciolopsis buski
    b. Fasciola hepatica
    c. Clonorchis sinensis
    d. Heterophyes heterophyes
A

a. Fasciolopsis buski

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15
Q
  1. Cholelithiasis is a relatively common complication of the infection caused by what parasite?
    a. Fasciolopsis buski
    b. Fasciola hepatica
    c. Clonorchis sinensis
    d. Heterophyes heterophyes
A

c. Clonorchis sinensis

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16
Q
  1. Smallest trematode infecting humans.
    a. Fasciolopsis buski
    b. Fasciola hepatica
    c. Clonorchis sinensis
    d. Heterophyes heterophyes
A

d. Heterophyes heterophyes

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17
Q
  1. They penetrate to the intestinal wall and migrate through the peritoneal cavity until coming in contact with the liver. Migration through the liver causes damage and symptoms proportionate with worm burden.
    a. Fasciolopsis buski
    b. Fasciola hepatica
    c. Clonorchis sinensis
    d. Heterophyes heterophyes
A

b. Fasciola hepatica

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18
Q
  1. Man eats metacercaria present in undercooked crab
    or crayfish
    a. Metagonimus yokogawai
    b. Heterophyes heterophyes
    c. Paragonimus westermani
    d. Clonorchis sinensis
A

c. Paragonimus westermani

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19
Q
  1. They cannot be easily distinguished from eggs of Heterophyes or Metagonimus.
    a. Fasciolopsis buski
    b. Fasciola hepatica
    c. Paragonimus westermani
    d. Clonorchis sinensis
A

d. Clonorchis sinensis

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20
Q
  1. Eggs are operculated, golden-brown in color.
    a. Metagonimus yokogawai
    b. Heterophyes heterophyes
    c. Paragonimus westermani
    d. Clonorchis sinensis
A

c. Paragonimus westermani

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21
Q
  1. patients infected by this organism suffer from cercarial dermatitis, mucus bloody stool with tenesmus as well as enlargements of the spleen and liver
    a. schistosoma japonicum
    b. schistosoma mansoni
    c. schistosoma hematobium
    d. schistosoma mekongi
A

a. schistosoma japonicum

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22
Q
  1. prevention of paragonimiasis infection would include
    a. adequate cooking of crabs and crayfish and washing the hands after preparing them for food
    b. disinfection of sputum and feces
    c. eradication of molluscan hosts
    d. AOTA
A

d. AOTA

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23
Q
  1. the adult worm lives in the duodenum or jejunum of pigs and man
    a. chlonorchis sinensis
    b. fasciolopsis buski
    c. echinosttoma iloccanum
    d. paragonimus westermani
A

b. fasciolopsis buski

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24
Q

The eggs of c sinesis may be demonstrated in feces or aspirated bile and also float in concentrated saline
a. true
b. false

A

a. true

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25
Q
  1. Ingestion of egg is mode of transmission in fish:
    a. Fasciola hepatica
    b. Clonorchis sinensis
    c. Both
    d. None of the above
A

b. Clonorchis sinensis

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26
Q
  1. Causes neoplasm of bile duct
    a. Oriental liver fluke
    b. Cat liver fluke
    c. Both
    d. None of the above
A

a. Oriental liver fluke

Liver Flukes: Biliary Tree

Clonorchis sinensis
- Chinese/Oriental Liver Fluke
Fasciola hepatica
- Sheep Liver Fluke

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27
Q
  1. Sexually male trematodes
    a. Usually dorso-ventrally flattened
    b. Oral and ventral suckers
    c. Both
    d. None of the above
A

c. Both

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28
Q
  1. Major symptomatic syndromes of schistosomes
    a. Cercarial dermatitis
    b. Katayama fever
    c. Both
    d. None of the above
A

c. Both

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29
Q
  1. Embryonated eggs of trematodes, hatch miracidium of L1 larva
    a. Schistosoma japonicum
    b. Schistosoma mansoni
    c. Both
    d. None of the above
A

c. Both

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30
Q
  1. Eggs look like od fashioned bulb except
    a. Paragonimus westermani
    b. Metagonimus yokogawai
    c. Clonorchis sinensis
    d. Opistorchis felionius
A

a. Paragonimus westermani

H2OCM

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31
Q
  1. Encystment occurs on aquatic plants, roots of the bulb of water chestnut which act as second intermediate host
    a. S. mansoni
    b. F. buski
    c. P. westermani
    d. AOTA
A

b. F. buski

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32
Q
  1. The infective stage of Fasciola hepatica is the ingestion of raw aquatic vegetation with:
    a. Free swimming redia
    b. Encysted metacercaria
    c. Miracidium
    d. Encysted cercariae
A

b. Encysted metacercaria

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33
Q
  1. This helminth egg shows a typical opercular shoulders and thickened abopercular end
    a. Clonorchis sinensis
    b. Paragonimus westermani
    c. Metagonimus yokogawai
    d. Schistosoma haematobium
A

b. Paragonimus westermani

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34
Q
  1. The following characteristics differentiate Schistosoma species from other trematodes EXCEPT:
    a. Does not develop into metacercaria
    b. They have fewer testes
    c. Manner of transmission is through skin penetration of cercaria
    d. They don’t have secondary intermediate host
A

c. Manner of transmission is through skin penetration of cercaria

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35
Q
  1. Which of the following flukes is considered carcinogenic
    A. Buski
    B. Hepatica
    C. Sinensis
    D. Westermani
A

C. Sinensis

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36
Q
  1. Clonorchiasis can be prevented by
    A. AOTA
    B. Cooking fish properly
    C. Disposal of feces
A

A. AOTA

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37
Q
  1. Infection cause by what parasite resembles that of PTB
    a. sinesis
    b. yokogawai
    c. westermanii
    d. buski
A

c. westermanii

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38
Q
  1. 2nd intermediate host of Fasciola hepatica
    a. Snail
    b. Aquatic plants
    c. Crab
    d. Fish
A

b. Aquatic plants

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39
Q
  1. Clinical illness caused by schistosomes can be classified depending on the stages in the evolution of infection as follows
    a. Tissue proliferation and repair
    b. Skin penetration and incubation period
    c. Egg despostion and extrusion
    d. AOTA
A

d. AOTA

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40
Q
  1. Intermediate host of S. Japonicum
    A. Brotia Asperata
    B. Segmentia Snail
    C. Oncomelania quadrasi
    D. Parathelphusa Grapsoldes
A

C. Oncomelania quadrasi

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41
Q
  1. Manner of transmission is by ingestion of metacercaria from fish
    a. Buski
    b. Westermani
    c. Hepatica
    d. Clonorchis sinensis
A

d. Clonorchis sinensis

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42
Q
  1. The eggs of c sinesis may be demonstrated in feces (stool microscopy) or aspirated bile and the also float in concentrated saline
    a. True
    b. False
A

a. True

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43
Q
  1. Obstructive uropathy is associated with
    a. Paragonimus westermani
    b. S. japonicum
    c. S. haematobium
    d. S. mansoni
A

c. S. haematobium

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44
Q
  1. Encystment occurs on aquatic plants, roots of the bulb of water chestnut which act as second intermediate host
    a. S. mansoni
    b. F. Buski
    c. P. westermani
    d. AOTA
A

b. F. Buski

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45
Q
  1. Largest trematode infecting humans
    a. S. japonicum
    b. F. hepatica
    c. F. buski
    d. C. sinesis
A

c. F. buski

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46
Q
  1. What is the diagnostic stage of schistosoma to man?
    A. Cercardia
    B. Miracidium
    C. Unembryonated egg
    D. Embryonated egg
A

D. Embryonated egg

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47
Q
  1. Mr. Dalisay is diagnosed with a trematode infection. Lacking a more specific identification of the causative organism, which of the following drugs would most likely be effective?
    a. Praziquantel
    b. Metronidazole
    c. Tetracycline
    d. Diethylcarbamazine
A

a. Praziquantel

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48
Q
  1. What stage of trematodes swim in the water?
    A. Redia
    B. Miracidium
    C. Metaceracaria
    D. Cercariae
A

D. Cercariae

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49
Q
  1. All schistosomes live in venous plexuses in the body of the definitive host, the location varying with species
    a. True
    b. False
A

a. True

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50
Q
  1. Pipe -stem fibrosis of the liver in schistomiasis is due to what stage of the parasite
    a. Miracidium
    b. Adultworm
    c. Egg
    d. Cercaria
A

c. Egg

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51
Q
  1. Cause gynecological schistosomiaisis
    a. S. Bovis
    b. S. Haponicum
    c. S. Haemotobium
    d. S. mansoni
A

c. S. Haemotobium

52
Q
  1. Eggs look like od fashioned bulb except
    a. Paragonimus westermani
    b. Metagonimus yokogawai
    c. Clonorchis sinensis
    d. Opistorchis felionius
A

a. Paragonimus westermani

53
Q
  1. Schistosoma resistant to treatment
    a. S. mansoni
    b. S./ hematobium
    c. S. japonicum
    d. Aota
A

c. S. japonicum

54
Q

20.Recovery of the eggs can be both found in the stool and urine
a. S. masnoni
b. S. mekongi
c. S. japonicum
d. Haematobium

A

d. Haematobium

55
Q
  1. Oriental schistosomiasis
    A. S. mansoni
    B. S. japonicum
    C. S. haematobium
    D. S. mekongi
A

B. S. japonicum

56
Q
  1. this helminth egg shows a typical opercular shoulders and thickened abopercular end
    a. Clonorchis sinensis
    b. Paragonimus. Westermani
    c. Metagonimus yokogawai
    d. Schistosoma haematobium
A

b. Paragonimus. Westermani

57
Q
  1. Fasciolopsis buski egg
    a. With broad shoulder
    b. Thick-shell with a small operculum at one end
    c. With prominent lateral spine
    d. oval to rounded, non-operculated egg which contain developed miracidium
A

b. Thick-shell with a small operculum at one end

58
Q
  1. Acute phase of first infection resembles typhoid fever
    a. S. mansoni
    b. S. japonicum
    c. S. haematobium
    d. p. westermani
A

a. S. mansoni

59
Q
  1. adult worm is egg-shaped, reddisg, brown and covered with scale like spine
    a. heterophyes heterophyes
    b. Clonorchis sinensis
    c. Schistosoma japonicum
    d. Paragonimus westermani
A

d. Paragonimus westermani

60
Q

26 Acute phase of first infection resembles typhoid fever
a. S. mansoni
b. s. japonicum
c. s. haematobium
d. p. westermani

A

a. S. mansoni

61
Q
  1. what is the usual manner of transmission of schistosoma to man
    a. ingestion of the embryonated egg
    b. arthropod vector
    c. ingestion of metacercaria
    d. skin penetration of the cercariae
A

d. skin penetration of the cercariae

62
Q
  1. clonorchiasis can be prevented by the following except
    a. hygienic education
    b. proper disposal of feces
    c. proper cooking of fish
    d. control of aquatic vegetation
A

d. control of aquatic vegetation

63
Q
  1. ciliated non-feeding stage of the parasite, develops in the egg
    a. redia
    b. cercaria
    c. miracidium
    d. metacercariae
A

c. miracidium

64
Q
  1. inflammatorry granuloma forms with epithelial, giant plasma, eosinophil cells and fibroblasts as a
    result of th damage by the eggs in the tissue worms in schistosoma infection
    a. hoeppli reaction
    b. papillomata
    c. pipe-stem fibrosis
    d. katayama syndrome
A

c. pipe-stem fibrosis

65
Q
  1. cholelithiasis is relatively common complication of the infection cause by what parasite
    a. buski
    b. hepatica
    c. Clonorchis
    d. Haematobium
A

c. Clonorchis

66
Q
  1. Schistosoma produces more severe infection to man
    a. Japonicum
    b. Mansoni
    c. Mekongi
    d. Haematobium
A

a. Japonicum

67
Q
  1. Man eats metacercaria present in undercooked crab or crayfish
    a. Yokogawai
    b. Heterophyes
    c. Westermani
    d. Haematobium
A

c. Westermani

68
Q
  1. In schistosomal dysentery (intestinal bilharziasis), patient develops colicky abdominal pain and bloody diarrhea, which may go on intermittently for years are common with
    a. S. mansoni
    b. S. japonicum
    c. S. haematobium
    d. AOTA
A

a. S. mansoni

69
Q

35.Which of the following requires two intermediate hosts to complete its life cycle
A. hepatica
B. mansoni
C. Westermani
D. Clonorchis sinensis

A

C. Westermani

70
Q
  1. Schistosomes differ from the hermaphroditic trematodes in many aspects such as
    a. Lack of muscular pharynx
    b. Intestinal caeca reunite after bifurcation to form a single canal
    c. Redia stage in larval development
    d. AOTA
A

a. Lack of muscular pharynx
b. Intestinal caeca reunite after

71
Q
  1. Which of the following flukes is considered carcinogenic
    a. buski
    b. Hepatica
    c. Sinensis
    d. westermani
A

c. Sinensis

72
Q
  1. migrate through intestinal wall into abdominal cavity to the glissons capsule and into the liver
    a. giant intestinal fluke
    b. cat liver fluck
    c. Chinese liver fluke
    d. Sheep liver fluke
A

d. Sheep liver fluke

Liver Flukes: Biliary Tree

Clonorchis sinensis
- Chinese/Oriental Liver Fluke
Fasciola hepatica
- Sheep Liver Fluke

73
Q
  1. Patient infected by this organism suffer from cercarial dermatitis, mucus bloody stool with tenesmus as well as enlargement of the spleen and liver
    a. S. mansoni
    b. s. japonicum
    c. s. haematobium
    d. metagonimus yokogawai
A

a. S. mansoni

74
Q
  1. The Adult female worm has a gynecophoral canal where the longer and slender male is held
    A. True
    B. False
A

B. False

75
Q
  1. Large, ovoidal, operculated and yellowish-brown in color
    a. Clonorchis egg
    b. Fasciola egg
    c. Schistosoma egg
    d. Paragonimus egg
A

b. Fasciola egg

76
Q
  1. Katayama fever is accompanied by leukocytosis, eosinophilia, enlarged liver, and a palpable spleen. This condition is more common in infection with:
    a. Clonorchis sinensis
    b. Schistosoma japonicum
    c. Schistosoma mansoni
    d. Fasciola buski
A

c. Schistosoma mansoni

77
Q
  1. Katayama fever is accompanied by leukocytosis, eosinophilia, enlarged liver, and a palpable spleen. This condition is more common in infection with:
    a. Clonorchis sinensis
    b. Schistosoma japonicum
    c. Schistosoma mansoni
    d. Fasciola buski
A

b. Schistosoma japonicum

78
Q

44 In Schistosomes, metacercariae is the stage infective to man, whereas in rest of the trematodes,
cercariae are the infective form
a. True
b. False

A

b. False

79
Q

45 Unembryonated eggs of trematodes which first embryonate in water and then hatch
a. Clonorchis sinensis
b. Schistosoma japonicum
c. Metagonimus yokogawai
d. Paragonimus westermani

A

d. Paragonimus westermani

80
Q

46 Largest trematode infecting humans
a. Schistosoma japonicum
b. Fasciola hepatica
c. Clonorchis sinensis
D. Fasciolopsis buski

A

D. Fasciolopsis buski

81
Q
  1. Embryonated eggs of trematodes, which immediately hatch to form miracidium or L1 larva
    a. Fasciola hepatica
    b. Schistosoma mansoni
    c. Paragonimus westermani
    d. Opisthorchis spp.
A

b. Schistosoma mansoni

82
Q
  1. Schistosoma japonicum resides in
    a. Inferior mesenteric vein
    b. Superior mesenteric vein
    c. Gallbladder
    d. Liver
A

b. Superior mesenteric vein

83
Q
  1. The adult worm lives in the duodenum or jejunum of pigs and man
    a. Heterophyes heterophyes
    b. Clonorchis sinensis
    c. Fasciola hepatica
    d. Fasciolopsis buski
A

d. Fasciolopsis buski

84
Q
  1. Where does metacercaria exist in human?
    a. Small intestine
    b. Bladder
    c. Liver
    d. Large intestine
A

a. Small intestine

85
Q
  1. Has been linked with neoplasm
    a. Oriental Liver Fluke
    b. Giant Intestinal Liver Fluke
    c. Cat Liver Fluke
    d. Sheep Liver Fluke
A

a. Oriental Liver Fluke

86
Q
  1. The following characteristics differentiate Schistosoma species from other trematodes EXCEPT:
    a. Does not develop into metacercaria
    b. They have fewer testes
    c. Manner of transmission is through skin penetration of cercaria
    d. They don’t have sec
A

c. Manner of transmission is through skin penetration of cercaria

87
Q
  1. The ova are found in the feces and in the bile duct via duodenal aspiration or “string test”
    a. F. buski
    b. P. westermani
    c. F. hepatica
    d. C. sinensis
A

d. C. sinensis

88
Q
  1. The infective stage of Fasciola hepatica is the ingestion of raw aquatic vegetation with:
    a. Free swimming redia
    b. Encysted metacercaria
    c. Miracidium
    d. Encysted cercariae
A

b. Encysted metacercaria

89
Q
  1. Ciliated non-feeding stage of the parasite, develops in the egg
    a. Miracidium
    b. Redia
    c. Cercaria
    d. Metacercaria
A

a. Miracidium

90
Q
  1. Long prominent lateral spine in the egg
    a. Schistosoma mansoni
    b. Schistosoma japonicum
    c. Schistosoma haematobium
    d. Schistosoma mekongi
A

a. Schistosoma mansoni

91
Q
  1. Larval stage of a fluke that is covered with cilia and swims about seeking out a snail to serve as an intermediate host
    a. Metacercaria
    b. Miracidium
    c. Cercaria
    d. Redia
A

b. Miracidium

92
Q
  1. Parasites associated with malignancy
    a. Schistosoma haematobium and Schistosoma mansoni
    b. Clonorchis sinensis and S. mansoni c. Schistosoma haematobium only
    d. C. sinensis and S. haematobium
    e. Clonorchis sinensis only
    f. Schistosoma mansoni only
A

d. C. sinensis and S. haematobium

The parasites associated with malignancy are:

*	Schistosoma haematobium: It is associated with bladder cancer.
*	Clonorchis sinensis: It is associated with cholangiocarcinoma (bile duct cancer).
93
Q
  1. Parasites with operculate eggs
    a. Fasciola buski
    b. Paragonimus westermani
    c. Fasciola hepatica
    d. All of the choices are correct
A

d. All of the choices are correct

94
Q
  1. Which of the ff. best describes the pathology in Clonorchis sinensis?
    A. Eggs in urine also with WBCs and bacteria, hematuria, biopsy of bladder or reproductive tract
    B. Most are asymptomatic vague (abdominal pain, diarrhea, nausea, dizziness, headache, sometimes intestinal obstruction, loss of appetite or psychological issues)
    C. Erosion of epithelial lining, mucous production, inflammation, necrosis of liver cells, occlusion of bile ducts, eggs cause granulomas and gallstones, bile duct CA
    D. Cercariae released by smail into water is free swimming. Penetrates skin
A

C. Erosion of epithelial lining, mucous production, inflammation, necrosis of liver cells, occlusion of bile ducts, eggs cause granulomas and gallstones, bile duct CA

95
Q
  1. Represents the juvenile stage of the vertebrae inhabiting adult
    a. Metacercariae
    b. Redia
    c. Miracidium
    d. Cercariae
A

d. Cercariae

96
Q
  1. What Schistosoma produces more severe infection to man?
    A. Schistosoma mansoni
    B. Schistosoma japonicum
    C. Schistosoma haematobium
    D. Schistosoma bovis
A

B. Schistosoma japonicum

97
Q
  1. Humans are the only definitive host for S. hematobium. No animal reservoir is known
    a. True
    b. False
A

a. True

98
Q
  1. Eggs look like old fashioned electric bulb EXCEPT
    a. Clonorchis sinensis
    b. Paragonimus westermani
    c. Metagonimus yokogawai
    d. Heterophyes heterophyes
A

b. Paragonimus westermani

H2OCM

99
Q

65.Egg appears ovoidal or pear-shaped, pale yellow and has thin shell and curved hook or spine
a. Schistosoma mansoni
b. Schistosoma japonicum
c. Schistosoma haematobium
d. Schistosoma mekongi

A

b. Schistosoma japonicum

100
Q

66.Usually encysted and can be found on the intermediate host or on aquatic vegetation, sticks or in the free-living water
a. Metacercaria
b. Miracidium
c. Egg
d. Cercaria

A

a. Metacercaria

101
Q
  1. True regarding general characteristics of flukes EXCEPT
    a. “Trematodes are oviparous and lay eggs, which are operculated, except in the case of schistosomes”
    b. The oral sucker surrounding the mouth at the posterior end and acetabulum in the middle anteriorly
    c. The body is covered by an integument which often bears spines, papillae, or tubercles
    d. There is rudimentary nervous system consisting of paired ganglion cells
A

d. There is rudimentary nervous system consisting of paired ganglion cells

102
Q

68.Usually found in biliary tract EXCEPT
a. Clonorchis sinensis
b. Opisthorchis spp.
c. Fasciola hepatica
d. Fasciolopsis buski

A

d. Fasciolopsis buski

103
Q
  1. TRUE about Trematodes, EXCEPT:
    A. Most are hermaphrodites with exception of schistosome
    B. The alimentary canal appears like an inverted Y
    C. They have no body cavity, circulatory and respiratory organs
    D. Undergoes sexual multiplication in larval stage in the snail host
A

C. They have no body cavity, circulatory and respiratory organs

104
Q
  1. Madox 38-year-old man, originally from Cambodia, presented to the hospital with upper abdominal
    pain accompanied with liver enlargement. A biopsy of the bile duct revealed fibrotic thickening. The
    biopsy specimen was sent to pathology for routine sectioning and staining which reveals diagnostic
    morphologic features:
    - Presence of oral sucker, thick muscled pharynx, branching intestinal cecum, uterus filled with eggs and vitelline glands
    - eggs with operculum and abopercular knob. What is your diagnosis?
    a. Paragonimiasis
    b. Clonorchiasis
    c. Fasciolopsis
    d. Schistosomiasis
A

b. Clonorchiasis

105
Q
  1. The definitive host, sheep and man, get infection by ingestion of metacercariae encysted on aquatic vegetation
    a. Clonorchis sinensis
    b. Fasciola hepatica
    c. Fasciola buski
    d. All are correct
A

b. Fasciola hepatica

106
Q
  1. Eggs with prominent lateral spine
    a. Paragonimus westermani
    b. Schistosoma mansoni
    c. Schistosoma haematobium
    d. Schistosoma japonicum
A

b. Schistosoma mansoni

Apical Spine: S. Haematobium
Vestigal Spine: S. Japonicum
Lateral Spine: S. Mansoni

107
Q
  1. Pipe-stem fibrosis of the liver in Schistosomiasis is due to what stage of the parasite?
    a. Cercaria
    b. Egg
    c. Adult worm
    d. Metacercariae
A

b. Egg

108
Q

74 Recovery of eggs can be found in stool and urine in which of the following?
a. Schistosoma japonicum
b. Schistosoma mansoni
c. Clonorchis sinensis
d. Paragonimus westermani

A

b. Schistosoma mansoni

109
Q
  1. Flattened operculum and the abopercular thickening
    a. Schistosoma egg
    b. Paragonimus egg
    c. Clonorchis egg
    d. Fasciola egg
A

b. Paragonimus egg

110
Q

76., C. sinensis requires 2 intermediate hosts to complete its life cycle, the first being snail and the
second being fish
A. True
B. False

A

A. True

111
Q
  1. They penetrate the Glisson’s capsule, traverse the liver parenchyma and reach the biliary passages, where they mature into the adult worms in about 3-4 months
    a. Fasciola hepatica
    b. Clonorchis sinensis
    c. Fasciola buski
    d. All are correct
A

a. Fasciola hepatica

112
Q
  1. The most common intestinal fluke in the orient
    a. Paragonimus westermani
    b. Clonorchis sinensis
    c. Fasciolopsis buski
    d. Fasciola hepatica
A

c. Fasciolopsis buski

113
Q
  1. 2nd intermediate host of F. buski
    a. Trapa bicornis
    b. Gyraulus convexiusculus
    c. Parathelphusa grapsoldes
    d. Brotia asperata
A

a. Trapa bicornis

114
Q
  1. Which common liver fluke inflicts tissue damage that sometimes predisposes cattle to red water disease
    a. Fasciola hepatica
    b. Clonorchis sinensis
    c. Heterophyes heterophyes
    d. Metagonimus yokogawai
A

a. Fasciola hepatica

115
Q

Which of the following flukes is considered carcinogenic?
A. Buski
B. Hepatica
C. Sinensis
D. Westermani

A

C. Sinensis

116
Q

2nd intermediate host of Fasciola hepatica
A. Snail
B. Aquatic plants
C. Crab
D. Fish

A

B. Aquatic plants

117
Q

Migrate through intestinal wall into abdominal cavity to the glissons capsule and into the liver
A. Giant intestinal fluke
B. Cat liver fluke
C. Chinese rat liver fluke
D. Sheep liver fluke

A

D. Sheep liver fluke (Fasciola hepatica)

118
Q

The ova are found in the feces and in the bile duct via duodenal aspiration or “string test”
A. F. buski
B. P. westermani
С. F. hepatica
D. C. sinensis

A

D. C. sinensis

119
Q
  1. Madox 38-year-old man, originally from Cambodia, presented to the hospital with upper abdominal pain accompanied with liver enlargement. A biopsy of the bile duct revealed fibrotic thickening. The biopsy specimen was sent to pathology for routine sectioning and staining which reveals diagnostic morphologic features: Presence of oral sucker, thick muscled pharynx, branching intestinal cecum, uterus filled with eggs and vitelline glands, eggs with operculum and abopercular knob, What is your diagnosis?
    A. Paragonimiasis
    B. Clonorchiasis
    C. Fasciolopsis
    D. Schistosomiasis
A

B. Clonorchiasis

120
Q

Obstructive uropathy is due to what type of schistosoma?
A. Schistosoma japonicum
В. Schistosoma haematobium
C. Schistosoma mansoni
D. Schistosoma mekongi

A

В. Schistosoma haematobium

121
Q

Snails are both the 1st and 2nd intermediate host of this parasite
A. Echinostoma ilocanum
B. Fasciola hepatica
C. Fasciolopsis buski
D. Paragonimus westermani

A

A. Echinostoma ilocanum

122
Q

Schistosoma japonicum resides in:
A. Superior mesenteric vein
B. Inferior mesenteric vein
C. Small intestine
D. Duodenum

A

A. Superior mesenteric vein

123
Q

Treatment for Trematodes would include

A. Praziquantel

B. Surgical intervention

C. Prednisolone

D. Ivermectin

E. A and B only

A

A. Praziquantel

124
Q

Crab is the second intermediate host of:

A. Fasciola hepatica

B. Paraginimus westermani

C. Clonorchis sinensis

D. O. Viverrini

A

B. Paraginimus westermani

125
Q

Shistosomiasis can be prevented by

A. Proper disposal of stool

B. Cooking of raw fish

C. Erradicating snails

D. A and B

E. All of the above

A

E. All of the above

MICRO/PARA (15 decks)

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