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Microbiology > Cestodes And Trematodes > Flashcards

Cestodes And Trematodes Flashcards

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Biology 101 flashcards
1
Q

What does adult worm consists?

A

Head
Neck
Trunk

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2
Q

What are the types of Cestodes?

A

Dişphyllobothrium Latum
Spirometra
Taenia Saginata
Taenia Solium
Eichnococcus Granulosus

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3
Q

How is the transmission of the Diphyllobothrium Latum?

A

Uncooked or undercooked fish containing third stage plerocercoid larva

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4
Q

What are the hosts of Diphylobothrium?

A

Definitive host: Man
1st Intermediate Host: Cyclops
2nd Intermediate Host: Fresh water fish

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5
Q

What is the longest tapeworm found in man ?

A

Diphylobothrium Latum

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6
Q

What does Diphylobothrium Latum causes?

A

Abdominal discomfort
Nausea
Megaloblastic anemia

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7
Q

How is the diagnosis of Diphylobothrium Latum?

A

Stool microscopy for egg and coproantigen test

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8
Q

What are the hosts of Spirometa?

A

Accedential: Man
Definitive: Cat,dog

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9
Q

How does the Spirometra transmitted?

A

Ingestion of infected cyclops
Ingestion of raw, infected fish
Local application of raw, infective flesh to skin Conjunctiva or vagina

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10
Q

What are the agents of Spirometra

A

S. Monsoni
S. Theileri
S. Erinacei

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11
Q

What is the disease of Spirometra?

A

Spargonosis

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12
Q

What are the hosts of Taenia Saginata?

A

D: Man
I: Cow

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13
Q

What are the hosts of Taenia Solium?

A

D: Man
I: Pig, Man

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14
Q

How does Taenia Saginata transmitted?

A

Undercooked beef containing cysticerous bovis.

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15
Q

How does Taenia Solium transmitted?

A

Undercooked pork containing cysticercus cellulose, autoinfection and egg in contaminated vegetable, food and water.

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16
Q

Which cestode is called as Beef Tapeworm?

A

Taenia Saginata

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17
Q

Which cestode is named as pork tapeworm

A

Taenia Solium

18
Q

What does Taenia Saginata causes

A

Intestinal Taeniasis

19
Q

What does Taenia Solium causes

A

Intestinal taeniasis and cysticercosis

20
Q

How is the diagnosis of Taenia Saginata

A

Eggs Or proglottids in stool
Seroolignosis
Mol. Diagnosis

21
Q

How is the diagnosis of Taenia Solium

A

Intestinal taenisis— egg or proglottids in stool
Cysticercosis
Biopsy
X-ray
CT scan
MRI

22
Q

What are the hosts of Echinococcus Granulosus

A

D: Dog
I: Sheep

23
Q

How is the transmission of Echinococcus Granulosus

A

Egg ingested by man with contaminated food and water.

24
Q

Which stage of Echinococcus Granulosus is found in humans

A

Larval stage (hydatid cyst)

25
Q

Where does adult form of Echinococcus Granulosus lives

A

Jejenum and Duodenum of dogs and other canine Carnivora

26
Q

How is the diagnosis of Echinococcus Granulosus

A

Imaging
Examination of cyst fluid
Casani’s Test
Ab detection
Ag detection

27
Q

What are the types of Trematodes

A

Schistosomes
Clanorchis Sinensis
Fasciola Hepatica
Fasciolopsis buski

28
Q

What are the hosts of Schistosomes?

A

D: Man
I: fresh water snails

29
Q

How is the transmission of Schistosomes

A

Free swimming cercria penetrate skin of man

30
Q

What are the features of Schistosomes

A

Dioecious
Water borne disease
Skin: dermatitis ( summers itch)
GI: abdominal pain, ascites, diarrhea
Urogenital: chronic cystitis and urethritis

31
Q

How is the diagnosis of Schistosomes

A

Detection of eggs in urine or stool
Biopsy
Imaging and detection of ag,ab

32
Q

What are the hosts of Clanorchis Sinensis

A

1st Intermediate hoıst: Snail
2nd Intermediate host: Fish
D: Man

33
Q

How is the transmission of Clanorchis Sinensis

A

Ingestion of infected fish

34
Q

What are the features of Clanorchis Sinensis

A

Most infections have a light burden
Infects the common bile duct and gall bladder, feeding on bile
Manifestations include mild abdominal symptoms
Longer duration: Hepatomegaly, Malnutrition

35
Q

What are the hosts of Fasciola Hepatica

A

D: Sheep (1st), Man
I: Snail

36
Q

How is the transmission of the Fasciola Hepatica

A

Consuming aquatic plants encysted with metacerceriae

37
Q

What are the features of the Fasciola hepatica

A

Acute phase: fever, right upper quadrant pain, Hepatomegaly
Chronic: biliary abstraction, abstructrive jaundice, cholelithiasis and anemia

38
Q

How is the diagnosis of Fasciola Hepatica

A

Detection of eggs in stool and aspirated b,le
USG
ERCP
ELISA

39
Q

What are the hosts of Fasciolopsis Buski

A

D: Man
1st I: Snail
2nd I: Water plants

40
Q

How is the transmission of the Fasciolopsis Buski

A

Consuming aquatic plants with encysted metacarcariae

41
Q

What are the features of the Fasciolopsis Buski

A

Larvae that attach to duodenal, jejunal mucosa cause inflammation and local ulceration
Heavy infections: malabsorption, protein-losing enteropathy, impaired vir. B12 absorption
Diarrhea, abdominal pain

Microbiology (22 decks)

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