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PARASITOLOGY TREMATODES

Total questions: 81

Worksheet time: 42mins

Name
Class
Date
1.

Dorsoventrally flattened; Leaf-like in appearance; Unsegmented; Oral sucker; Ventral sucker; Gonotyl suckers

a)

Monoecious flukes

b)

Dioecious flukes

2.

3 divisions of the digestive system EXCEPT

a)

Pharynx

b)

Larynx

c)

Esophagus

d)

Intestines

3.

Dioecious flukes

a)

Schistosomes

b)

Clonorchis spp.

c)

Fasciola spp.

d)

Paragonimus westermani

4.

consist of paired ganglia at the anterior end

a)

Nervous system

b)

Reproductive system

c)

Digestive system

5.

Arrangement of testes EXCEPT

a)

Tandem

b)

Side by Side

c)

Oblique

d)

Lateral

6.

Generally testes are _ to the ovary except for Dicrocoelium dendriticum the testes is _ to the ovary

a)

anterior, posterior

b)

posterior anterior

7.

trematodes are also called _

(a)  

8.

Eggs are operculated except those of _

a)

Schistosomes

b)

Clonorchis spp.

c)

Fasciola spp.

d)

Paragonimus westermani

9.

Schistosomes are

a)

Blood Flukes

b)

Lung Flukes

c)

Liver Flukes

d)

Intestinal Flukes

10.

Also known as the blood flukes since they live in the vascular system of humans and other vertebrate hosts.

a)

Schistosomes

b)

Clonorchis spp.

c)

Fasciola spp.

d)

Paragonimus westermani

11.

Schistosomes: Male worm possess a _ in which the female worm reposes

a)

gynecophoral canal

b)

pruritic papular lesion

c)

swimmer's itch

d)

hepatospleen

12.

Infective form of schistosomes to man

a)

Miracidium

b)

Sporocyst

c)

Circarium/Cercaria

d)

Adult

13.

Common name: Vesicle blood fluke

a)

Schistosoma japonicum

b)

Schistosoma haematobium

c)

Schistosoma mansoni

14.

a. Vesical schistsomiasis

b. Urinary bilharziasis

c. Schistosomal haematuria

a)

Schistosoma japonicum

b)

Schistosoma haematobium

c)

Schistosoma mansoni

15.

Select multiple: Schistosoma haematobium lives in the venous plexuses of

a)

Urinary Bladder

b)

Urine

c)

Urea

d)

Ureter

16.

Terminal Spine ova

a)

Schistosoma haematobium

b)

Schistosoma japonicum

c)

Schistosoma mansoni

d)

Schistosoma mekongi

17.

Larval forms of Schistosoma haematobium EXCEPT

a)

Miracidium

b)

Sporocyst

c)

Metacercaria

d)

Cercaria

18.

Definitive Host of Schistosoma haematobium

a)

Man

b)

Bulinus spp.

c)

Planorbis spp.

d)

Biomphalaria

19.

Mode of Transmission of Schistosoma haematobium

a)

Skin penetration by sporocyst

b)

Skin penetration by miracidium

c)

Skin penetration by cercariae

d)

Ingestion

20.

Cercaria without the tail is called _

(a)  

21.

Limited output of urine

a)

Dysuria

b)

Haematuria

22.

Blood in urine

a)

Dysuria

b)

Haematuria

23.

Common name: Manson's blood fluke

a)

Schistosoma japonicum

b)

Schistosoma haematobium

c)

Schistosoma mansoni

24.

Eggs are non-operculated with lateral spine.

a)

Schistosoma japonicum

b)

Schistosoma haematobium

c)

Schistosoma mansoni

25.

All are intermediate hosts of Schistosoma mansoni EXCEPT

a)

Biomphalaria

b)

Australorbis

c)

Tropicorbis

d)

Bulinus

26.

Cercarial invasion causes an itchy maculopapular rash

a)

Swimmer

b)

Swimmer's itch

c)

Itch

d)

Swimming itch

27.

Common name: Oriental blood fluke

a)

Schistosoma japonicum

b)

Schistosoma haematobium

c)

Schistosoma mansoni

28.

Most pathogenic specie among schistosomes

a)

Schistosoma japonicum

b)

Schistosoma haematobium

c)

Schistosoma mansoni

29.

Intermediate host of Schistosoma japonicum

a)

Bulinus

b)

Planorbis

c)

Biomphalaria

d)

Oncomelania quadrasi var. hupensis

30.

They are related to S. haematobium, but restricted to West and Central Africa.

a)

Schistosoma intercalatum

b)

Schistosoma mekongi

31.

Infection occurs in Mekong river basin of Laos, Thailand and Cambodia

a)

Schistosoma intercalatum

b)

Schistosoma mekongi

32.

Intermediate host of Schistosoma mekongi

a)

Neotricula

b)

Bulinus

c)

Planorbis

d)

Biomphalaria

33.

Common name: Sheep liver fluke

a)

Schistosoma japonicum

b)

Fasciola hepatica

c)

Fasciolopsis buski

d)

Fasciola gigantica

34.

Habitat: Liver and Bile Duct

a)

Fasciola hepatica

b)

Fasciolopsis buski

c)

Paragonimus westermani

d)

Schistosoma intercalatum

35.

Conical projection of Fasciola hepatica is also called

a)

Shoulder

b)

Mouth

c)

Head

d)

Neck

36.

Infective form of Fasciola hepatica

a)

Miracidium

b)

Cercaria

c)

Metacercaria

d)

Redia

37.

Principal host of Fasciola hepatica

a)

Sheep

b)

Man

c)

Lymnea philippinensis

d)

Waterplants (watercress)

e)

Lymnea truncatula

38.

Select multiple: first intermediate host of Fasciola hepatica

a)

Sheep

b)

Man

c)

Lymnea philippinensis

d)

Waterplants (watercress)

e)

Lymnea truncatula

39.

second intermediate host of Fasciola hepatica

a)

Sheep

b)

Man

c)

Lymnea philippinensis

d)

Waterplants (watercress)

e)

Lymnea truncatula

40.

Specimen of choice for Fasciola hepatica

a)

Stool

b)

Blood

c)

Semen

d)

Sputum

41.

Liver rot occurs in

a)

Fasciola hepatica

b)

Fasciolopsis buski

c)

Fasciola gigantica

42.

Common name: Giant liver fluke

a)

Fasciola hepatica

b)

Fasciolopsis buski

c)

Fasciola gigantica

43.

Predominant specie affecting cattle and water buffalo in the Philippines

a)

Fasciola hepatica

b)

Fasciolopsis buski

c)

Fasciola gigantica

44.

First intermediate host of Fasciola gigantica

a)

Water snail

b)

Aquatic snail

c)

None of the choices

d)

All of the choices

45.

Common name: Chinese liver fluke or Oriental liver fluke

a)

Clonorchis sinensis

b)

Opisthorchis felineus

c)

Opisthorchis viverrini

d)

Dicrocoelium dendriticum

46.

Bottle neck appearance

a)

Clonorchis sinensis

b)

Opisthorchis felineus

c)

Opisthorchis viverrini

d)

Dicrocoelium dendriticum

47.

Definitive host of Clonorchis sinensis

a)

Man or domestic animals

b)

Bulinus, Bithinia, Parafossarulus

c)

Ciprinoid

48.

First intermediate host of Clonorchis sinensis

a)

Man or domestic animals

b)

Bulinus, Bithinia, Parafossarulus

c)

Ciprinoid

49.

Second intermediate host of Clonorchis sinensis

a)

Man or domestic animals

b)

Bulinus, Bithinia, Parafossarulus

c)

Ciprinoid

50.

Identify the parasite

a)

Clonorchis sinensis

b)

Opisthorchis felineus

c)

Dicrocoelium dendriticum

d)

Opisthorchis viverrini

51.

Infective form of Clonorchis sinensis

a)

Miracidium

b)

Cercaria

c)

Metacercaria

d)

Redia

52.

Mode of transmission of Clonorchis sinensis

a)

Skin penetration by cercariae

b)

Skin penetration by metacercariae

c)

Ingestion of saltwater fish

d)

Ingestion of freshwater fish

53.

Adults are elongated, dorsoventrally flattened, similar to C. sinensis except that it is smaller.

a)

Clonorchis sinensis

b)

Opisthorchis felineus

c)

Dicrocoelium dendriticum

d)

Opisthorchis viverrini

54.

Common name: Cat liver fluke

a)

Clonorchis sinensis

b)

Opisthorchis felineus

c)

Dicrocoelium dendriticum

d)

Opisthorchis viverrini

55.

Definitive host: Man and other feline animals

1st IH: Snail (Bulinus)

2nd IH: Fresh water fishes (Cyprinoid)

a)

Clonorchis sinensis

b)

Opisthorchis felineus

c)

Dicrocoelium dendriticum

d)

Opisthorchis viverrini

56.

Common names of Dicrocoelium dendriticum EXCEPT

a)

Lancet fluke

b)

Little liver fluke

c)

Oriental liver fluke

d)

Lanceodate fluke

57.

Infective stage to definitive host

a)

Metacercaria

b)

Miracidium

c)

Cercaria

58.

Infective stage to first intermediate host

a)

Metacercaria

b)

Miracidium

c)

Cercaria

59.

Infective stage to second intermediate host

a)

Metacercaria

b)

Miracidium

c)

Cercaria

60.

Old-fashioned light bulb

a)

Clonorchis sinensis

b)

Dicrocoelium dendriticum

c)

Fasciolopsis buski

d)

Echinostoma ilocanum

61.

Air breathing land snails EXCEPT

a)

Cionella

b)

Helicella

c)

Limax

d)

Planorbis

e)

Parafossarulus

62.

responsible for African infection

a)

Dicrocoelium dendriticum

b)

Dicrocoelium hospes

c)

Dicrocoelium benbriticum

d)

Dicrocoelium hopes

63.

Common name: Giant intestinal fluke

a)

Fasciolopsis buski

b)

Heterophyes heterophyes

c)

Metagoniums yokogawai

d)

Echinostoma ilocanum

64.

largest and most common intestinal fluke infecting man

a)

Fasciolopsis buski

b)

Heterophyes heterophyes

c)

Metagoniums yokogawai

d)

Echinostoma ilocanum

65.

mucosa of duodenum and jejunum of man and pig

a)

Fasciolopsis buski

b)

Heterophyes heterophyes

c)

Metagoniums yokogawai

d)

Echinostoma ilocanum

66.

DH: Pig or Man

1st IH: Snail of the genus Segmentina, Gyraulus and Hippeutis

2nd IH: aquatic plants

a)

Fasciola hepatica

b)

Fasciola gigantica

c)

Fasciolopsis buski

d)

Clonorchis sinensis

67.

Mode of Transmission of Fasciolopsis buski

a)

Skin penetration

b)

Ingestion of aquatic plants

c)

Ingestion of chicken liver

d)

Drinking contaminated water

68.

First intermediate hosts of Fasciolopsis buski EXCEPT

a)

Segmentina

b)

Gyraulus

c)

Hippeutis

d)

Hospes

69.

DH: Human and other mammals

1st IH: snail Pironella, Cerithidea

2nd IH: brackish water fish

a)

Fasciolopsis buski

b)

Heterophyes heterophyes

c)

Metagoniums yokogawai

d)

Echinostoma ilocanum

70.

Select multiple: first intermediate hosts of Heterophyes heterophyes

a)

Pironella

b)

Cerithidea

c)

Segmentina

d)

Gyraulus

71.

Small intestine, Adult worms reside in jejunum and upper ileum

a)

Fasciolopsis buski

b)

Heterophyes heterophyes

c)

Metagoniums yokogawai

d)

Echinostoma ilocanum

72.

Second intermediate host of Heterophyes heterophyes

a)

Brackish water fish

b)

Cyprinoid

c)

Mugil

73.

First intermediate host of Metagonimus yokogawai

a)

Semisulcospira libertina

b)

Formica fusca

c)

Pironella and Cerithidea

d)

Parafossarulus

74.

Second intermediate host of Metagonimus yokogawai

a)

Brackish water fish

b)

Cyprinoid

c)

Mugil

75.

Common name: Garisson's fluke and Imelda's fluke

a)

Fasciolopsis buski

b)

Heterophyes heterophyes

c)

Metagoniums yokogawai

d)

Echinostoma ilocanum

76.

Reddish gray

a)

Fasciolopsis buski

b)

Heterophyes heterophyes

c)

Metagoniums yokogawai

d)

Echinostoma ilocanum

77.

Common name: Oriental lung fluke

a)

Schistosoma japonicum

b)

Fasciola hepatica

c)

Clonorchis sinensis

d)

Paragonimus westermani

78.

Parenchyma of the lungs

a)

Schistosoma japonicum

b)

Fasciola hepatica

c)

Clonorchis sinensis

d)

Paragonimus westermani

79.

Definitive host of Paragonimus westermani

a)

Sundathelphusa philippina

b)

Parathelphusa grasoides

c)

Semisulcospira

d)

Man, dogs, cats

e)

Brotia

80.

Select multiple: First intermediate host of Paragonimus westermani

a)

Sundathelphusa philippina

b)

Parathelphusa grasoides

c)

Semisulcospira

d)

Brotia

e)

Melania

81.

Select multiple: Second intermediate host of Paragonimus westermani

a)

Sundathelphusa philippina

b)

Parathelphusa grasoides

c)

Semisulcospira

d)

Brotia

e)

Melania