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4.1 - Entamoeba, Giardia and others > review > Flashcards

review Flashcards

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1
Q

chilomastix mesnili is

more/less

common than other flagella

A

less common

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2
Q

chilomastix mesnili shape

A

lemon - nipple like protuberance

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3
Q

single nucleus & karyosome: vesicular type

A

chilomastix mesnili cyst

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4
Q

shape of chilomastix mesnili trophozoite

A

asymmetrical pear shaped - due to spiral groove

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5
Q

what is the movement of chilomastix mesnili

A

corkscrew / boring motion

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6
Q

shape of chilomastix mesnili cyst with cytostome

A

hour-glass

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7
Q

shape of chilomastix mesnili trophozoite with 1 nucleus and karyosome

A

karyosome near rounded, anterior end

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8
Q

chilomastix mesnili is

pathogenic
non-pathogenic

A

non-pathogenic

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9
Q

reproduction of chilomastix mesnili

A

binary fission

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10
Q

habitat of chilomastix mesnili

A

colon; lower GIT

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11
Q

infective stage of chilomastix mesnili

A

cyst

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12
Q

giardia lamblia is

pathogenic
non-pathogenic

A

pathogenic

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13
Q

what is the shape of giardia lambia cyst

A

ovoid

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14
Q

what is diagnostic feature of giardia lamblia cyst

A
  • 2 axosomes
  • retracted cytoplasm: space between cytoplasm and cyst wall
  • 4 nuclei in mature cyst
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15
Q

mature cyst of giardia lamblia have

2 nuclei
4 nuclei
6 nuclei

A

4 nuclei

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16
Q

infective stage of giardia lamblia

A

trophozoite

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17
Q

shape of giardia lamblia

A
  • symmetrically pear shaped

- no spiral groove

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18
Q

what is movement of giardia lamblia

A

tumbling motility - no spiral grove

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19
Q

motility of giardia lamblia

A

falling leaf

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20
Q

manner of transmission is via

A

ingestion of the cyst through contaminated food and drink

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21
Q

where does giardia lamblia excytation take place

A

small intestine

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22
Q

where does trophozoite habitate

A
  • duodenum

- coat or carpet intestinal mucosa

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23
Q

how does giardia lamblia cause malabsroption

Study These Flashcards
A

coating or carpeting the interstinal mucosal

24
Q

Steatorrheic or Gruelly stool is due to

Study These Flashcards
A

malabsorption of fat

25
special diagnostic tool of giardia lamblia
entero or string test
26
doc for giardia lablia
metronidazole
27
5 Parasites in which Trophozoite is Infective Stage
- Entamoeba gingivalis - Trichomonas tenax - Trichomonas hominis - Trichomonas vaginalis - Dientamoeba fragilis
28
morphology of dientamoeba fragilis
- granular cytoplasm, irregular shape - Karyosome in the form of 4-8 beads - Tetracocci karyosome – 4 karyosome
29
ingestion of dientamoeba fragilis
thru eggs of enterobius vernicularis
30
habitat of dientamoeba fragilis
large intestine
31
3 pathogenic but non invasive
- dientamoeba fragilis - giardia lamblia - trichomonas vaginalis
32
characteristic of dientamoeba fragilis disease
- mucous diarrhea | - due to irriation of intesinal mucosa, mucous secretion
33
doc for dientamoeba fragilis
metronidazole
34
shape of trichomonas
ovoidal
35
infective stage of trichonomas cyst trophozoite
trophozoite - no cyst stage
36
how is trichomonas hominis different from the other trichomonas
- post trailing post end of flagellum - rigid axostyle - one granules look like karyosome - conspicuous cytostome
37
Parasites that have Cytostome in Cyst and Trophozoite Stage
chilomastix mesnili
38
since features are hard to find, how do we diagnostically examine
- look where the specimen came from | - proper collection without contamination
39
"pyuria alveolaris" associated with
trichonomas tenax
40
habitat of trichonomas tenax
oral cavity
41
habitat of trichonomas vaginalis
vaginal mucosa or prostate gland
42
habitat or trichonomas hominis
large intestine
43
shape of t. tenax trophozoite
ovoidal
44
pathogenic stage of t. tenax
non pathogenic
45
what stages of kissing is t. tenax spread
3rd and 4th
46
infective stage of t. hominis
trophozoite
47
habitat of t. hominis
large intestin; cecum
48
this type of patient susceptible to t. hominis
in patient with achlordydria aka without acid
49
pathogenic stage of t. hominis
non pathogenic
50
t. vaginalis causes
trichomoniasis
51
"ping pong infection" associtated with
trichomonoiasis - t. vaginalis
52
non venereal transmission
- communal bathing - contaminated toilet seats - through birth canal - sharing of douche equipment
53
doc for t. vaginalis
metronidazole
54
infective stage is trophozoite
- t. hominis - t. tenax - t. vaginalis - e. gingivalis - d. fragilis
55
3 organisms with cytostome
c. mesnili - cyst and trophozoite e. coli - trophozoite t. hominis - conspicuous

4.1 - Entamoeba, Giardia and others (3 decks)

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