Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

PARASITOLOGY > RHIZOPODIA > Flashcards

RHIZOPODIA Flashcards

1
Q

pathogenic free living amoeba

A

Rhizopodia

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

Acanthamoeba species was discovered by

A

Aldo Castellani

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

Has a spine-like psuedopods

A

Acanthamoeba species

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

tagged as the “ Trojan hose” of the microbial world as it harbours many organisms which is endosymbiotic in nature

A

Acanthamoeba species

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

Acanthamoeba species PROTOZOAN

A

Cryptosporidium spp. and Toxoplasma gondii

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Acanthamoeba species. Trophozoite: measure

A

25-40 um

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

Acanthamoeba species. Cyst: measures

A

13-20 um

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

Acanthamoeba species. Infective and diagnostic stage

A

Trophozoite

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q
A
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Acanthamoeba species. POE

A

Eyes, Nose, Skin, Bloodstream, Brain

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

Acanthamoeba species. Disease:
Immunocompromised

A

Granulomatous amoebic encephalitis

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

Acanthamoeba species. Disease: Immunocompetent:

A

Corneal ulcer/ Acanthamoebic keratitis

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

CSF shows lymphocytic pleocytosis, slightly elevated protein levels, and normal or slightly decreased glucose levels.

A

Granulomatous amoebic encephalitis

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

diagnosed by epithelial biopsy or corneal scrapings for recoverable ameba with characteristic staining patterns on histologic analysis

A

Corneal ulcer/ Acanthamoebic keratitis

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

Acanthamoeba species. Diagnosis. Gold standard:

A

Calcofluor white (stain)

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

Acanthamoeba species. Prevention and Control

A

Meticulous contact lens hygiene is essential in avoiding infection, and rinsing contact lenses in tap water should be avoided.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

administered in Acanthamoeba keratitis

A

Biguanide, chlorhexidine

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

Patient often experience smell and taste alteration, blocked nose. It is diagnostic sign for meningitis

A

Kernig’s sign

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

Acanthamoeba species. : surgery in severe cases where vision is threatened

A

Keratoplasty

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

NO effective treatment for GAE, but for a multidrug combinations
are administered including

A

pentamidine, sulfadiazine, rifampicin, and fluconazole

21
Q

Naegleria fowleri is named after

A

Fowler, along with Carter which decirbe it first form in Autralia

22
Q

Heat-loving amoeba, thrives in warm water at low oxygen tension and commonly found I
freshwater. Worldwide distributed

A

Naegleria fowleri

23
Q

Naegleria fowleri. Trophozoite:
2 forms,

A

Amoebic and flagellate

24
Q

Naegleria fowleri. Trophozoite: Amoebic form: size ?

25
Naegleria fowleri. What form? They are used to engulf RBCS and WBCs depending on the species
Amoebic form
26
Naegleria fowleri. What form? Flagellates can revert to amoeboid form. A biflagellate form occurs when trophozoite are transferred to distilled water. Which occurs within a minute.
Flagellate form
27
Naegleria fowleri. Cyst size
7-10 um in diameter
28
Naegleria fowleri. This stage was never been found in tissues of CSF
Cyst
29
Naegleria fowleri. Infective and diagnostic stage:
Trophozoite
30
pass to the brain that causes the Primary Amoebic meningoencephalitis (PAM).
Naegleria fowleri
31
Naegleria fowleri. POE
Nasal mucous membrane
32
Naegleria fowleri. Incubation:
2 days to 2 weeks
33
Naegleria fowleri. : Patient experiences __
insomia
34
Naegleria fowleri causes Cranial nerve palsies, especially of the__, __, and ___ nerves have also been documented.
third, fourth, and sixth nerves
35
What parasite? The disease almost always ends fatally within a week(average 5 days).
Naegleria fowleri
36
Naegleria fowleri. Gold standard:
Polymerase Chain Reaction
37
ELISA means
Enzyme-linked immunosorbent assay
38
Naegleria fowleri. Prevention and control.
It is killed by chlorination of water at 1ppm or higher. Health education
39
Naegleria fowleri. Treatment for PAM.
Amphotericin B combination with Clotrimazole
40
Formerly classified as yeast. No growth in fungal media.
Blastocystis hominis
41
It is Commensal. Pathological nature is controversial
Blastocystis hominis
42
5 forms of Blastocystis hominis
Vacuolated Amoeba-like Granular Multiple Fission Cystic
43
form of Blastocystis hominis. Most predominant. Main type causing diarrhea
Vacuolated
44
form of Blastocystis hominis. Occasionally seen. Intermediate stage. Ingested bacteria
Amoeba-like
45
form of Blastocystis hominis. Seen in old culture. Daughter cell of amoeba like forms
Granular
46
form of Blastocystis hominis. Arise from vacuole forms
Multiple Fission
47
form of Blastocystis hominis. Thick walled: External transmission Thin walled: Reflection w/n host intestinal tract
Cystic
48
Blastocystis hominis Culture:
Boeck/Drbohlav’s Nelson & Jones Optimal growth: 37C at the presence of bacteria

PARASITOLOGY (15 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2025 Bold Learning Solutions. Terms and Conditions