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Parasitology > Parasitic Amoeba > Flashcards

Parasitic Amoeba Flashcards

1
Q

Organ of locomotion of histolytica

A

Pseudopodia

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2
Q

Characteristic of locotion of histolytica

A

Progressive
Active
Directional

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3
Q

Diagnostic feature of a trophozoit of histolytica

A

Ingested rbc

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4
Q

What is the nucleus of the histolytica troph

A

Bulls eye karyosome

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5
Q

What is diagnostic feature of the cyst histolytica

A

Cigar shaped chromatoidal bodies

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6
Q

How many mitotic division of the mature cyst of histolytica

A

2

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7
Q

Organism that escaped from the cyst

A

Metacyst

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8
Q

Metacystic trophozoite is also known as

A

Amoebolei

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9
Q

MoT of entamoeba histolytica

A

Ingestion of viable cyst through contaminated food and drinks

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10
Q

Where does excystation take place

A

Small intestine

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11
Q

Most common organ affected for amoebiasis

A

Cecum

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12
Q

Intestinal amoebiasis

A

Colitis
Dysentery
Appendicitis
Granuloma

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13
Q

Extraintestinal amoebiasis

A

Liver - common
Lungs
Brain
Skin

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14
Q

What are the factors of colonization

A

Inc. Number of troph
High pathogenic index
Immunity or nutrition of px

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15
Q

No signs or symptoms of the lesi9n

A

Primary lesion

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16
Q

Tumor like lesion of the histolyticw

A

Amoebic granuloma

Amoeboma

17
Q

Route of spread of extraintestinal in th3 liver

A

Hematogenous
Lymphatic
Perforation

18
Q

Liver abscess

A 
Single lesion
Right lobe
Males
4th to 5th decade
Hepatomegaly
19
Q

What lung is infected with extension of amoebic liver abscess

A

Right

20
Q

Seen in colostomy bag

Perianal region

A

Amoebiasis cutis

21
Q

Dirty looking cytoplasm of cyst

A

Entamoeba coli

22
Q

Diagnostic feature of entamoeba coli cyst

A

Multinucleated

23
Q

Seen in temperate region

A

Endolimax nana

24
Q

Diagnostic feature of nana cyst

A

Ground glass appearance of cytoplasm

25
Q

Nucleus of nana cyst

A

Cross eyed appearance

26
Q

DF of Iodamoeba buetschlii cyst

A

Large glycogen vacuole 2/3

27
Q

Entamoeba gingivalis causes wha5

A

Pyuria alveolaris

28
Q

Causes primary amoebic meningoencephalitis

A

Naegleria fowleri

29
Q

Cause acute fulminating bacterial meningitis

A

Naegleria fowleri

30
Q

Signs and symptoms of naegleria fowleri

A

Severe headache
Projectile vomiting
Nuchal rigidity

31
Q

Causes Granulomatous amoebic encephalitis

A

Acanthamoeba

32
Q

DoC of Naegleria fowleri and acanthamoeba

A

Ampothericin B - Naegleria

Sulfadiazine - Acanthamoeba

Parasitology (4 decks)

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