Trematodes Flashcards
(14 cards)
Schistosome ova has a ‘’minute spine or lateral knob’’
a. Manson’s blood fluke
b. Oriental blood fluke
c. Vesical blood fluke
d. Urinary schistosome
b. Oriental blood fluke
Schistosome ova has “large lateral spine’’
a. Manson’s blood fluke
b. Oriental blood fluke
c. Vesical blood fluke
d. Acid fast blood fluke
a. Manson’s blood fluke
Schistosome ova has “large terminal spine’’
a. Manson’s blood fluke
b. Oriental blood fluke
c. Vesical blood fluke
d. Acid fast blood fluke
c. Vesical blood fluke
Biggest intestinal fluke infecting man.
a. Fasciola hepatica
b. Fasciola gigantica
c. Fasciolopsis buski
d. Echinostoma ilocanum
c. Fasciolopsis buski
Which of the following flukes are the smallest?
a. Paragonimus westermani
b. Fasciola hepatica
c. Fasciolopsis buski
d. Echinostoma ilocanum
d. Echinostoma ilocanum
Upon examination of the fecal specimen, the medical
technologist detected what seems to be an ova and described it to be a large, operculated ova with abopercular thickening
and broad shoulders. What species of your trematode was detected by the medical technologist?
a. Paragonimus westermani
b. Fasciola gigantica
c. Fasciola hepatica
d. Clonorchis sinensis
a. Paragonimus westermani
Habitat of adult westermani
Inferior Mesenteric Vein
Which of the following Trematodes is an intestinal fluke?
a. Fasciola hepatica
b. Schistosoma japonicum
c. Clonorchis sinensis
d. Fasciolopsis buski
d. Fasciolopsis buski
The eggs of Fasciolopsis and Fasciola possess a lid-like
structure from which their contents are released under
appropriate conditions, this structure is called _____.
a. Cephalic cone
b. Abopercular knob
c. Vitelline
d. Operculum
d. Operculum
The mountain crab, Sundathelpusa philippina, is the second intermediate host of which trematode?
a. Schistosoma japonicum
b. Fasciolopsis buski
c. Paragonimus westermani
d. Fasciola hepatica
c. Paragonimus westermani
What stage of the trematode is characteristically
forked-tailed,
with an elliptical body, discharged from the snail hosts?
a. Miracidium
b. Metacercaria
c. Sporocyst
d. Cercariae
d. Cercariae
What must the Medical Technologist do to distinguish the adult flukes of Fasciola and Fasciolopsis buski?
a. Examine the cephalic cone and intestinal caeca
b. Only base on the size
c. Observe the anterior and ventral sucker
d. Count the collar spines and uterine lobulation
a. Examine the cephalic cone and intestinal caeca
All of the following flukes have operculated ova
except_____.
a. Schistosoma haematobium
b. Paragonimus westermani
c. Fasciola hepatica
d. Clonorchis sinensis
a. Schistosoma haematobium
Which of the following statements is NOT true about
Paragonimus westermani?
a. Trapa bicornis harbors the cercaria that is infective to
humans
b. Adults in cystic cavities of the lungs and diaphragm in which
excreted in sputum and stool
c. The first intermediate host is Antemelania asperata
d. Ova is yellow brown, thick shelled and resembles a
“chinese vase” appearance
a. Trapa bicornis harbors the cercaria that is infective to
humans
