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L4, Dipylidium, Echinococcus granulosus &Echinococcus multiocular, Parasitology.

 Lecture video 


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MCQ

:1all of the following regarding D. caninum are true except 

A) definitive host is  

B) D. caninum is cestode  

C) intermediate host is adult flea  

D) Diagnostic stage is eggs found in stool  


:2all of the following regarding D. caninum are true except

A) cosmopolitan disease

B) causes Dipylidiasis

C) needs flea larva as intermediate host

D) diagnosed by eggs in urine


:3all of the following regarding D. caninum are true except

A) smallest tapeworm of medical importance

B) adult worm length 20_60 cm

C) Cysticercoid There is no tail appendage attached

D) Habitats The lumen of the small intestine


:4all of the following regarding D. caninum are true except

A) can be treated by neclosamide

B) patient usually asymptomatic

C) Mode of infection Ingestion of cysticercoid in infected flea

D) all of the above are true



:5all of the following regarding Echinococcus granuloses are true except

A) cases Hydatid disease in intermediate hosts and Echinococcosis in definitive host

B) cases Hydatid disease in definitive host and Echinococcosis in intermediate hosts

C) smallest tapeworm of medical importance

D) cosmopolitan disease


:6all of the following regarding Echinococcus granuloses are true except

A) if Hydatid cyst rupture may cause anaphylactic reaction

B) treatment of large cyst is enucleation

C) Hydatid cyst affects most commonly liver

D) intermediate host is man


7all of the following regarding Echinococcus granuloses treatment are true except

A) Marsupialization is indicated when large cyst

B) enucleation indicated if cyst is single or few, in an accessible location

C) Albendazole Used twice daily up to 12 cycles of therapy for inoperable cases and for prophylaxis before and after surgery

D) enucleation is better than Marsupialization if cyst infected



:8all of the following regarding Echinococcus granuloses are true except

A) Adult E. granuloses inhabits the small intestine of dogs

B) Definitive host Dogs

C) Infective stage the eggs

D) Adult E. granuloses inhabits the small intestine of man


9all of the following regarding Echinococcus granuloses morphology are true except

A) Egg: yellowish-brown has thick radially striated shell

B) The smallest tapeworm of medical importance (2.5-9mm)

C) the larval form of E. granuloses is oncosphere

D) the larval form of E. granuloses is a fluid-filled cyst


:10all of the following regarding Echinococcus multilocular are true except

A) Alveolar hydatid cyst tissues resembles cancer in behavior and appearance

B) Alveolar hydatid is characterized by lacking of the outer limiting fibrous layer and absence of protoscolices

C) larval mass proliferates indefinitely by exogenous budding of the fibrous layer

D) disease found in North America, northern and central Europe and Asia



Answers 

1, c


2, d


3, a


4, d


5, b


6, b


7, d


8, d


9, c


10, c





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