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40 Cards in this Set

  • Front
  • Back

Opisthorchis felineus causes ____

Opisthorchiasis

Location of opisthorchis felineus in definitive host is ____

Gall bladder, bile ducts and pancreatic ducts

There is a reverse dependence between number and size of parasites in _____

Opisthorchis felineus

Identify the organism by features:



Lancet shaped, semi transparent body, two testis with 4-5 lobes, excretory bladder is S shaped.

Opisthorcis felineus

Definitive hosts in opisthorchis felineus is ____

Cat, human, dogs (and other fish eating canines)

Name the intermediate host in opisthorchis felineus.

First- Snail (of genus bithynia)


Second- Fish

Miracidium does not hatch in water, but only when ingested by first intermediate host in ____

Opisthorchis Felineus

Metacercariae develop in the muscles of Cyprinid fish in 6 weeks in _____

Opisthorchis Felineus

Opisthorchiasis and Paragonimiasis belongs to the group of ____ disorders

Nature foci

Diagnosis of Opthorchiasis is ___

Ovoscopy (of faeces or bile) and Serologic tests

Paragonimus westerni/ringeri is agent of disease _____

Paragonimiasis

This disease is common in Europe and Russia (especially in Siberia and Ukraine)

Opthorchiasis

This parasite is endemic in China, Japan, India and South East Asia

Paragonimus westermani

Location of Paragonimus westermani in definitive host is ____

Lungs



(Atypically in Liver, spleen, mesentry, muscles and brain)

This worm is reddish brown, very thick bodied and resembles coffee bean.

Paragonimus westermani

How many hosts in paragoninus westermani is ____

3 (one definitive and two intermediate)

Definitive hosts in Paragonimus Westermani is ____

Humans, dogs, cats and rodents

Tigers and leopards in Asia are usually hosts of ____

Paragonimus westermani

In paragonimus westermani intermediate hosts are ____

First- Snail of genus Melania


Second- Crab or crayfish

Metacercariae develop in muscles of crab and crayfish in ___

Paragonimus westermani

This parasite causes pulmonary lesions, cystic dilation of bronchi, abscesses and pneumonitis

Paragonimus Westermani

These flukes are dioecious, with no muscular pharynx and eggs are not operculated and posses spine.

Blood flukes (Schistosoma species)

These parasites have one definitive and one intermediate host and redia stage is absent.

Schistosoma species

The three species of blood flukes are:

Schistosoma haematobium, Schistosoma Mansoni and Schistosoma japonicum

Schistosoma haematobium is agent of disease ___

Urogenital schistosomiasis

This parasite is endemic to Africa and South West Asia (peaceful countries)

Schistosoma haematobium

This parasite is located in urinary bladder, prostate and uterus.

Schistosoma haematobium

Man is the only definitive host in ____

Schistosoma haematobium

Intermediate host in Schistosoma haematobium is ___

Snail from genus bulinus

Cercariae enters humans by means of ___ spines and ____ secretions

Anterior, Cytolytic

Itching lesions, fever, headache, urticaria, inflammation and fibrosis of vesicle mucosa, chronic cystitis, pyelonephritis are symptoms of ___

Urogenital schistosomiasis

Schistosoma Manzoni is an agent of disease ____

Intestinal schistosomiasis

This disease is spread in South Africa and Egypt

Intestinal Schistosomiasis

Location of schistosomas mansoni in definitive host

Portal or inferior Mesentric veins

Definitive, intermediate and reservoir hosts of Schistosoma Mansoni

Definitive- Man


Reservoir- Monkey


Intermediate- Snail (of genus biomphalaria)

Which parasite affects large intestine and causes colic abdominal pain with bloody diarrhea

Schistosomas Mansoni

Schistosomas japonicum is agent of disease ___

Japanese schistosomiasis

This disease is found in China, Japan and Philippines

Japanese schistosomiasis

Location of Schistosoma Japonicum

Portal veins superior mesentric and rectal veins

Definitive and intermediate hosts of schistosoma japonicum

Definitive- man, cattle, horses, rats


Intermediate- snail (of genus oncomelania)