Intestinal Protozoa - ENTAMOEBA HISTOLYTICA Flashcards

You may prefer our related Brainscape-certified flashcards:
1
Q

Most invasive parasite among Entamoeba

A

Entamoeba histolytica

*eukaryotic organism that LACKS membrane bound organelles

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Infective stage of E. histolytica

A

mature cysts

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Found in DIARRHEAL STOOLS and within the INTESTINAL and EXTRAINTESTINAL lesions

A

TROPHOZOITE

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Characteristically contain INGESTED RBCs (erythrophagocytosis) – HEMATOPHAGOUS

A

Trophoizoite

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Predominates in NON-DIARRHEAL STOOLS

A

CYST

  • smaller than E. coli
  • has 4 nuclei
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Mediates ADHERENCE

A

Lectin

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

For PENETRATION

A

Amebapores

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

For CYTOPATHIC EFFECT

A

Cysteine Proteases

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Dysentery WITHOUT fever

FLASK SHAPED colon ulcer

A

Amebic colitis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

granulomatous lesion that may form in the CECAL or RECROSIGMOID areas

associated w/ dysentery

A

AMEBOMA

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

MC EXTRAINTESTINAL FORM

usually in the POSTEROSUPERIOR ASPECT of the RIGHT lobe

ANCHOVY PASTE LIKE ASPIRATE

A

Amebic Liver Abscess

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Treatment for Asymptomatic Cyst Carrier State

A

Diloxanide Furoate - DOC
Iodoquinol
Paromomycin

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Treatment for Amebic Colitis

A

Metronidazole
Tinidazole
Diloxanide furoate
Paromomycin

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Treatment for Amebic Liver Disease

A

Metronidazole
Tinidazole
Percutaneous drainage for nonresponders

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

TISSUE AMEBICIDES

act on organisms in the BOWEL WALL and LIVER

A

Chloroquine
Emetines
Metronidazole
Tinidazole

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

LUMINAL AMEBICIDES

act only in the LUMEN of the bowel

A

Diloxanide furoate
Iodoquinol
Paromomycin