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Microbiology -Medical > Giardia > Flashcards

Giardia Flashcards

1
Q

Giardiasis caused by — ??

A

Giardia lamblia

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2
Q

Pathogenic form of giardia ??

A

Trophozoite

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2
Q

Stages of giardia ??

A
  1. Trophozoite
  2. Cyst
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3
Q

Infective form of giardia ???

A

Cyst

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4
Q

Mode of transmission of giardia ??

A

Fecally contaminated food & water - in gestion of the cyst

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5
Q

Tx of giardiasis&raquo_space;??

A

Metronidazole

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6
Q

Features of stool in giardiasis ??

A
  1. Non bloody diarrhea
  2. Stool-Foul smelling

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7
Q

Passage of yellowish & greasy stools in which there is excess of fat –

A

Steatorrhea

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7
Q

Giardia antigen detection test ??

A

ELISA

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8
Q

Test for the detection of trophozoite ??

A

String test

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9
Q

DNA based technique for detection nucleic acid – ??

A

PCR

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10
Q

Steatorrhea cause in giardia
ONE LINE ??

A

Malabsoprtion of fat

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11
Q

Stool specimen is taken for which thing ?/

A

Only cyst

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11
Q

Invasive (+) = ??
Non-Invasive (+) =??

A

-Amoebiasis
-Giardiasis

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12
Q

Evidence of trophozoite can be found from which specimen ?/

A
  1. Bile
  2. Jejunal biopsy
  3. Duodenal secretions

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13
Q

Clinical features of giardiasis ??

A
  1. Watery-Non bloody diarrhea
  2. Nausea
  3. Flatulence
  4. Abdominal cramps
  5. Steatorrhea
  6. Anorexia

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14
Q

Virulence factors of giardia ??

A
  1. Cytoskeleton
  2. Adherence
  3. Encystation
15
Q

Tests for giardiasis ??

A
  1. Stool examination
  2. String test - Detect trophozoite
  3. Detect G atg in stool

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16
Q

Trichomoniasis is caused by ?

A

Trichomonas vaginalis

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17
Q

mode of transmission of T V ?

A

sexual intercourse

18
Q

infective & pathogenic form of TV ?

A

Trophozoite

19
Q

is there any cyst in TV ?

A

NO

20
Q

Clinical features of TV in female ?

A
  1. watery
  2. foul smelling
  3. grennish vaginal discharge
  4. itching
  5. burning sensation
21
Q

specimen collection in Lab Dx for TV in man female ?

A

morning urethral discharge & urine sediment after prostate massage
+ high vaginal swab

22
Q

clinical features in male by TV /

A
  1. asymptomatic
  2. 10%= urethritis
23
Q

other test for TV ?

A
  1. serological test-not useful
  2. NAAT-PCR
  3. culture
24
Q

microscopic examination for TV ?

A
  1. slide stained with normal saline- trophozoite
  2. wet mount preparation of vaginal/prostatic secretion = pear shaped trophozoite & typical jerky motion
25
Q

advice given to trichomoniasis pt ?

A
  1. to drink plenty of water
  2. to use condom
26
Q

Tx of TV ?

A
  1. Metronidazole - flagyl
  2. tinidazole - tindamax
27
Q

why amoebiasis is invasive ?

A

invade gut wall by = HISTOLYSIN

Microbiology -Medical (30 decks)

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