The infective stage of Heterophyes heterophyesis is:
Miracidium
Egg
Cercaria
Metacercaria
The intestinal trematode/s endemic in Egypt is/are :
Fascolopsis buski
Heterophyes heterophyes
Metagonimus yokogawai
All of above
The brakish water snail/s is/are :
Semisulcospira libertina
Pirenella conica
Segmentina
All of the above
The diagnostic stage of Metagonimus is :
The miracidium
The egg
The cercaria
All the above
The size of Heterophyes egg is :
30×15 um
70×25 um
150×70 um
None of above
On dissection of an infected snail we can find the following trematode larval stages EXCEPT :
Sporocyst
Encysted metacircaria
Aquaculture (fish is meant) is a risk factor for transmission of:
Fasciolopsis buski
Taenia soium
Lophocercus cercaria emerges from:
Segmentina species
Both B & C
Parasite/s that has/have 2 intermediate hosts is/are :
Heterophyes Heterophyes
Both A & B
Proper hygiene is a control measure of :
Man acquires infection with Metagonimus yokogawai by:
ingestion of egg
ingestion of uncooked fish containing the encysted metacercaria
contact with water containing the infective lophocercus cercaria
None of the above
