Brainscape's Knowledge GenomeTM

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


See full index

172 LE 2 > Intestinal amoeba, commensals, and blastocytstis > Flashcards

Intestinal amoeba, commensals, and blastocytstis Flashcards

1
Q

Only pathogenic amoeba species

A

E. histolytica

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

The ____ of E. histolytica extends as it moves

A

Cytoplasm

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

Diagnostic and infective stage of E. histolytica

A

Cysts and trophozoites

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

Trophozoites of E. histolytica will divide by undergoing fission in the ____

A

small intestine

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

The amoeba will undergo encystation in the _____

A

Large intestine

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

Entamoeba could cause:

A

○ Exointestinal disease
○ Hepatic liver amoebiasis
○ Brain abscess/ invade the brain
○ Skin ulceration / skin amoebiasis-previously
studied

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

E. histolytica and E. dispar can only be distinguished via ____

A

PCR

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

TRUE OR FALSE: E. dispar is pathogenic

A

FALSE

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

This serve as a prominent evidence of invasion in E. hemolytica trophozoite

A

Ingested RBCs in the cytoplasm

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

The nucleus of E. histolytica trophozoite has a ____

A

centrally-located karyosome

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

E. histolytica caused the ____ ulcer

A

flask-shaped

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

Virulence factors of E. histolytica

A

○ Gal/GalNAc (adherence) lectin- allows the
trophozoite to attach to the mucosal cells
○ Amebapore (pore-forming protein)- causes cell lysis
○ Cysteine proteinases- break down protein

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

Interval of stool exam for E. histolytica

A

3 exams at 1 week

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

Concentration methods for E. histolytica

A

FECT and MIFC

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

the presence or absence of the band will be checked here to determine between E. histolytica and E. dispar

A

Agarose gel electrophoresis

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

Amoebiasis is the ____ parasitic disease causing death worldwide

A. 1st
B. 2nd
C. 3rd

A

C

17
Q

Biggest among the non-pathogenic amoeba

A

E. coli

18
Q

The cyst of E. coli has ___ nuclei

A

8

19
Q

TRUE OR FALSE: Food vacuole is absent in E. coli cyst

A

True

20
Q

smallest amoeba

A

E. nana

21
Q

E. nana lives in the ____

A

cecum

22
Q

Mature cyst of E. nana has __ nuclei

A

4

23
Q

Which is more susceptible to dessication?

A. E. nana cyst
B. E. coli cyst

A
24
Q

Only species of the genus Iodamoeba

A

Iodamoeba buetschlii

25
Q

Mature cyst of Iodamoeba buetschlii has ___ nucleus

A

1

26
Q

Enteric protozoan of humans and animals

A

Blastocystis

27
Q

Blastocystis is a classified member of ____

A

Stramenopiles

28
Q

Different forms of blastocystis

A
  • Vacuolar cyst
  • Granular form with central vacuole
  • Amoeboid
29
Q

Blastocystis subtype 2 commonly occur in

A

pigs and primates

30
Q

Blastocystis subtype 1 commonly occur in

A

pigs, roosters, primates

31
Q

Blastocystis subtype 6 and 7 commonly occur in

A

fowl

32
Q

Blastocystis subtype 4 commonly occur in

A

Rodents

33
Q

Blastocystis subtype 5 commonly occur in

A

Pigs

34
Q

TRUE OR FALSE: Blastocystis is zoonotic

A

True

172 LE 2 (8 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions