LUNG, LIVER, INTESTINAL FLUKES

Question 1

flukes that sexes are combined

Answer 1

Hermaphroditic / MONOECIOUS FLUKES

Question 2

Infective stage of Monoecious flukes

Answer 2

Metacercaria

Question 3

Diagnostic stage of Monoecious flukes

Answer 3

Ova or eggs in feces

Question 4

Number of host

Monoecious flukes

Diecious flukes

Answer 4

Monoecious flukes =3 (2 IH & 1 DH)

Diecious flukes = 2 (1 IH & 1 DH)

Question 5

Developmental stages of Monoecious flukes

Operculated eggs
“My Sister Rent a Car for Me”
Adult

Answer 5

Miracidium
Sporocysts
Redia
Cercaria
Metacercaria

Question 6

ciliated larva released from egg when hatched

Answer 6

Miracidium

Question 7

sac liked larva developed from miracidium

Answer 7

Sporocyts

Question 8

larva developed from sporocysts; absent in Schistosoma

Answer 8

Redia

Question 9

larva developed from redia or sporocysts

Answer 9

Cercaria

Question 10

cercaria that has lost its tail following entry into 2nd IH

Answer 10

Metacercaria

Question 11

Common name of Paragonimus westermani

Answer 11

Oriental Lung fluke

Question 12

SECOND INTERMEDIATE HOST of Paragonimus westermani

Answer 12

Fresh water crab, crayfish

Question 13

Common name of Fasciola hepatica

Answer 13

Sheep Liver fluke

Question 14

SECOND INTERMEDIATE HOST of Fasciola hepatica

Answer 14

Water plants e.g. watercress

Kangkong

Question 15

Common name of Clonorchis sinensis

Answer 15

Oriental Liver fluke
Chinese Liver fluke

Question 16

Most important liver fluke of man

Answer 16

Clonorchis sinensis

Question 17

Common name of Opistorchis felineus

Answer 17

cat liver fluke

Question 18

Common name of Opistorchis viverrini

Answer 18

sea liver fluke

Question 19

SECOND INTERMEDIATE HOST of Liver flukes

Answer 19

Cyprinoid fish

Question 20

Common name of Fasciolopsis buski

Answer 20

Giant intestinal fluke
Busk fluke

Question 21

SECOND INTERMEDIATE HOST of Fasciolopsis buski

Answer 21

Water plants e.g. caltrop, chestnut, bamboo shoots

Question 22

Common name of Echinostoma ilocanum

Answer 22

Garrison`s fluke

Question 23

SECOND INTERMEDIATE HOST of Echinostoma ilocanum

Answer 23

Edible snails

Question 24

Common name of Heterophyes heterophyes

Answer 24

Von Siebold fluke
Dwarf fluke

Question 25

SECOND INTERMEDIATE HOST of Heterophyes heterophyes

Answer 25

Fish

Question 26

deadliest trematode and smallest trematode infecing human

Answer 26

Heterophyes heterophyes

Question 27

Common name of Metagonimus yokogawai

Answer 27

Yokogawa`s fluke

Question 28

SECOND INTERMEDIATE HOST of Metagonimus yokogawai

Answer 28

Salmonoid and cyprinoid fish

Question 29

Common name of Nanophyetus salmincola

Answer 29

Salmon-poisoning fluke

Question 30

SECOND INTERMEDIATE HOST of Nanophyetus salmincola

Answer 30

Salmonoid fish

Question 31

Egg Morphology - Broadly ovoidal with FLAT OPERCULUM & ABOPERCULAR THICKENING - 80-120 x 50-60 µm Adult Morphology: - Coffee bean-shaped with zigzag intestinal ceca

Answer 31

P. westermani

Question 32

Egg Morphology - Elongately ovoidal with tapering ends; 30 x 11 µm - closely resemnles Clonorchis Adult Morphology: - LOBED tested and TRANSVERSE vitellaria

Answer 32

Opistorchis felineus

Question 33

Egg Morphology - Broadly ovoidal with CONVEX or DOMED OPERCULUM & ABOPERCULAR KNOB 29 x 16 µm Adult Morphology: - Dendritic testes and GRANULAR vitellaria

Answer 33

C. sinensis

Question 34

Egg Morphology - Large, yellowish brown with thin shell and small operculum; 130-150 x 63-90 µm - 2nd LARGEST egg Adult Morphology: - With CEPHALIC CONE and dendritic structures - with BRANCHED testes, ovaries, and intestina ceca

Answer 34

Fasciola hepatica

Question 35

Egg Morphology - Indistinguishable from F. hepatica and F. gigantica ova - LARGEST - eggs are yellowish and ellipsoidal with CLEAR THIN shells and SMALL operculum - 130-140 x 80-85um Adult Morphology: -NO CEPHALIC CONE - intestinal ceca is UNBRANCHED

Answer 35

Fasciolopsis buski

Question 36

Egg Morphology - Similar to that of Clonorchis but with smaller abopercular knob; 29 x 16 µm - THICK shelled light BROWN egg Adult Morphology: - With 3rd sucker called GONOTYL or Genital sucker

Answer 36

H.heterophyes

Question 37

Egg Morphology - Straw colored, ovoid, operculated; 83-116 x 58-69 µm. - 3rd LARGEST Adult Morphology: - with CIRCUM ORAL DISK WITH SPINES - equipped with oral sucker

Answer 37

E. ilocanum

Question 38

Egg Morphology - Thin-shelled, light yellow; 28 x 17 µm - thin shelled light yellow egg Adult Morphology: - No 3rd sucker

Answer 38

M. yokogawai

Question 39

Egg Morphology - Similar to D. latum eggs but somewhat larger and narrower and have abopercular thickening instead of a knob Adult Morphology: - Genital opening is just posterior to the ventral sucker

Answer 39

Nanophyetus salmincola

Question 40

Pulmonary inflammation and fibrosis resulting in pneumonia- or TB-like syndrome

Answer 40

P. westermani

Question 41

Liver rot in sheep and goats; Halzoun syndrome

Answer 41

F. hepatica

Question 42

Liver disease characterized by jaundice, edema and painful, progressive hepatomegaly; associated with CHOLANGIO CARCINOMA

Answer 42

C. sinensis Opistorchis spp.

Question 43

Ulceration of the mucosa, abdominal pain, diarrhea, nausea, vomiting and flatulence

Answer 43

F. buski

Question 44

No marked symptoms are produced other than intestinal irritation.

Answer 44

E. ilocanum

Question 45

Colicky pains and mucous diarrhea; self-terminating in about two months.

Answer 45

H. heterophyes M. yokogawai

Question 46

Abdominal discomfort and intermittent diarrhea; vector of salmon poisoning disease in dogs

Answer 46

Nanophyetus salmincola