class Sporozea in the phylum Apicomplexia Flashcards

1
Q

which of the following parasites ha sa diagnostic stage in feces: Immature oocyst containing mass of protoplasm

a, isospora belli

b. crytosporodium
c. cyclospora cayatenensis
d. toxoplasma gondi

A

Isospora belli

  • now know as CYSTOISOSPERA BELLI
  • diagnostic stage : Immature oocyst containing mass of protoplasm
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2
Q

which o fthe following parasotes uses modified kinyoun stain

a. isospera belli
b. cryptosporidum
c. cyclospora cayatensis
d. toxoplamsa gondi

A

Cryptosporidium
- DIAGNOSTIC METHOD : Sheater’s sugar flotation
( commonly used BUT REPLACED by Fluorescent antibody technique or modified acid fast stain)
- hain mod. kinyoun stain : routinely used stain with oocyst appearing as RED PINK DOUGHNUT HSPAE DAGAINST BLUE BACKGROUND

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3
Q

what diagnostic method is common but replaced by fluorescent antibody technique and modified acid fast stain

a. gram stain
b. biopsy
c. sugar flotation
d. string test

A

cryptosporidium

  • DIAGNOSTIC METHOD : Sheater’s sugar flotation
    ( commonly used BUT REPLACED by Fluorescent antibody technique or modified acid fast stain)
  • hain mod. kinyoun stain : routinely used stain with oocyst appearing as RED PINK DOUGHNUT HSPAE DAGAINST BLUE BACKGROUND
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4
Q

what spp appear on modified kinyoun stain as red pink doughnut against blue background

a. isospera belli
b. cryptosporidum
c. cyclospora cayatensis
d. toxoplamsa gondi

A

cryptosporidium

  • DIAGNOSTIC METHOD : Sheater’s sugar flotation
    ( commonly used BUT REPLACED by Fluorescent antibody technique or modified acid fast stain)
  • hain mod. kinyoun stain : routinely used stain with oocyst appearing as RED PINK DOUGHNUT HSPAE DAGAINST BLUE BACKGROUND
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5
Q

what kind of parasites is parasite of bovines which can infect humans

a. cryptosporidum parvum
b. cryptosporidium hominis
c. cyclospora cayatensis
d. sarcocystis hominis

A

cryptosporidum parvum
- parasites of bovine that can infect humans

cryptosporidium hominis
- can infect only humans

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6
Q

what parasite is most likely the causative agent in an outbreak f diarrheal disease traced to a municipal water supply

a. isospera belli
b. cryptosporidum
c. cyclospora cayatensis
d. toxoplamsa gondi

A

cyclosporidium

- diarrheal outbreak traced in municipal water

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7
Q

what parasites has a autofluorescence

a. isospera belli
b. cryptosporidum
c. cyclospora cayatensis
d. toxoplamsa gondi

A

cyclospora cayatensis

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8
Q

what parasite is evidence of the outbreaks in US and canada during the spring months because of ingestion and importation of Guatemaian Raspberries

a. isospera belli
b. cryptosporidum
c. cyclospora cayatensis
d. toxoplamsa gondi

A

cyclospora cayatensis

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9
Q

cyclospora cayatensis is originally called _______

a. cystoisospera belli
b. cyanobacterium
c. aota
d. nota

A

cystosiospera belli
- isospera belli

cyclospora cayatensis
- cyanobacterium

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10
Q

which of the following parasites cause a self limiting infection

a. isospera belli
b. cryptosporidum
c. cyclospora cayatensis
d. toxoplamsa gondi

A

cyclospora cayatensis

kaya selflimiting kase pwede ka naman hindi kumain nang RASPBERRIES pero kumain ka pa din kay ka nag karoon nang c. cayatensis

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11
Q

banana shaped cell

a. sarcocystis
b. cryptosporidum
c. cyclospora cayatensis
d. toxoplamsa gondi

A

sarcocystis hominis ; sarcocystis sulhomins

  • trophozoite like organism : simplest form of sarcocystis
  • banana shaped cell
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12
Q

which of the following parasites has a definitive host : cat

a. isospera belli
b. cryptosporidum
c. cyclospora cayatensis
d. toxoplamsa gondi

A

toxoplasma gondi

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13
Q

which of the following infective stage of Taxoplasma gondi can be found during the INITIAL AND ACUTE stage of infection

a. tachyzoites
b. oocysts
c. brodyzoites

A

tachyzoites

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14
Q

guatemalan raspberries

a. cryptosporidium
b. cyclospora cayatensis
c. sarcocytosis
d. toxoplasma gondii

A

cyclospora cayatensis
- raspberries

cryptosporidium
- municipal water

sarcocystis
- banana shaped cyst

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15
Q

serologic test for toxoplasma gondii

a. giemsa stain
b. biopsy
c. sabin feldman dye test

A

sabin feldman dye test
- very specific and sensitive

methylene blue
- methylene blue staining of tachyzoites inhibited by prior addition of patients serum containing antibodies to Taxoplasma`

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16
Q

microsporidia infection can be confirmed using ________ microscopy and modified trichome stain

a. bright
b. light
c. fluorescent
d. phase contrast

A

MIcrosporidia infection can be confirmed using LIGHT MICROSCOPE AND MODIFIED TRICHOME STAIN

17
Q

which of the following is microsporidia

a. cyclospora cayetansis
b. pleistophora
c. toxoplasma gondi
d. nosema

A

microsporidia
- Enterocytozoon bleneusi ; Encephalitozoon intestinalis ; nosema

  • pleistophora
18
Q

which of the following spp in TRICHOME STAIN is small eliptical spores stain red against a faint green background and some display a MIDBODY CROSS BAND

a. cyclospora cayetansis
b. pleistophora
c. toxoplasma gondi
d. nosema

A

pleistophora
- in modified trichome stain : stains red against faint green
: some displays midbody cross band

19
Q

which of the following parasite is INTERNAL AUTOINFECTION

a. cyclospora cayetansis
b. pleistophora
c. toxoplasma gondi
d. cryptosporidium hominis

A

cryptosporidium hominis

  • infects humans only
  • internal autoinfectiion
20
Q

which of the following parasites is an opportunistic agent of AIDS

a. cyclospora cayetansis
b. pleistophora
c. toxoplasma gondi
d. cryptosporidium

A

cryptosporidum