18 Questions
What is the characteristic feature of the scolex of Diphyllobothrium latum?
Two longitudinal grooves
What is the shape of the uterus in Diphyllobothrium latum?
Unbranched convoluted
What is the size of the gravid segments of Dipylidium caninum?
Rice grain-sized
What is the characteristic shape of the body of cestodes?
Flattened dorsoventrally
Which of the following orders of Cestodes infects animals and is of significance to veterinary medicine?
Diphyllobothriidea and Cyclophyllidea
What is the characteristic feature of the eggs of Diphyllobothrium latum?
All of the above
What is the function of the scolex in tapeworms?
Anterior attachment and holdfast
Which of the following is NOT a type of proglottid?
Ventricular segment
What is the length of the adult worm of Dipylidium caninum in the intestine?
10-70 cm
What is the specific gravity of the sodium nitrate solution?
1.18
What is the role of the neck in the anatomy of tapeworms?
Germinal region from which the strobila arises
How many parts does the adult tapeworm consist of?
Three
What is the characteristic of the scolex of Echinococcus granulosus?
It has a prominent rostellum with two rows of hooklets
What is the number of proglottides in Echinococcus granulosus?
Three
What is the typical location of the metacestode of Echinococcus granulosus in the intermediate host?
Liver, lungs
What is the characteristic of the eggs of Taenia spp.?
They have a radially-striated internal oncosphere with six refractile hooks
Which of the following tapeworms has an invaginated scolex with a rostellum and hooks?
Cysticercus cellulosae
What is the maximum length of the adult Taenia pisiformis worm?
Up to 20 m
Test your knowledge of tapeworms, specifically the Taeniidae family, including characteristics of Echinococcus granulosus and Dipylidium caninum. Learn about the scolex, proglottides, and metacestodes of these parasites.
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