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Parasitology > Giardia > Flashcards

Giardia Flashcards

1
Q

Giardia cause:

A
  • gastroenteritis
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2
Q

Draw Giardia trophozoite and the describe morphology:

A
  • pear-shape
  • 12-17 x 6-12 micrometer
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3
Q

Draw Giardia cyst:

A
  • 4 nuclei
  • 8-14 x 6-10 micrometer
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4
Q

What are the 2 forms of Giardia and which of them are the infective stage and the vegetative stage?

A
  • trophozoite - vegetative stage
  • cyst - infective stage
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5
Q

Which form of Giardia is found in faeces?

A
  • cyst
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6
Q

Which form of Giardia is found in duodenum and jejunum?

A
  • trophozoites
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7
Q

What is this?

A
  • Giardia cyst (infective)
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8
Q

Way of transmission of Giardia

A
  • water, food containing cysts
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9
Q

When does Giardia occur (time of year)?

A
  • spring
  • autumn
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10
Q

what is the way of reproduction of Giardia?

A
  • binary fission
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11
Q

Giardia affect which host (part of “way of transmission”):

A
  • juveniles
  • kids
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12
Q

clinical signs of Giardia:

A
  • diarrhoea containing mucus, no blood
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13
Q

Diagnosis of Giardia:

A
  • Coprological examination/flotation technique
  • Detection of coproantigen
  • PCR:
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14
Q

Coprological examination/flotation technique (of Giardia) we “use”:

A
  • Cysts
  • stool: greasy or watery, smelly, containing mucus
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15
Q

Detection of coproantigen (of Giardia) is done by which tests?

A
  • rapid test
  • ELISA
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16
Q

PCR of Giardia

A

Assembleges A - H

17
Q

Assembleges A - H of Giardia duodenalis

A

Assembleges A - H
* A: Humans, high pathogenic
* B: Humans, low pathogenic
* C-D: dogs (canines)
* E: cattle
* F: cat
* G: rat
* H: grey seal

18
Q

Giardia duodenalis is divided into eight genetically different assemblages (A–H), name them:

A
  • A - G. duodenalis - humans
  • B - G. enterica - humans
  • C/D - G. canis - dog (canine)
  • E - G. bovis - cattle
  • F - G. cati - cats
  • G - G. simondi - rats
  • H - - seal
19
Q

“Main species” of Giardia is:

A
  • Giardia duodenalis

(syn.: G. intestinalis / G. lamblia)

Parasitology (23 decks)

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