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Clinical Parasitology > Chapter 4: Flagellates > Flashcards

Chapter 4: Flagellates Flashcards

1
Q

Class of Flagellates?

A

Mastigophora

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2
Q

Structures found in Flagellates

A

Undulating membrane (for Trichomonas)
Axostyle
Flagella

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3
Q

Undulating membrane is attached to?

A

Costa

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4
Q

Rod like structures

A

Axostyle

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5
Q

Whip like structure

A

Flagella

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6
Q

Intestinal Flagellates

A 
Giardia lamblia
Enteromonas hominis
Trichomonas hominis
Chilomastix mesnili
Embadomonas intestinalis
Retortamonas intestinalis
Dientamoeba fragilis
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7
Q

Blood and Tissue Flagellates

A 
Leishmania tropica
Leishmania braziliense
Leishmania donovani
Trypanosoma rhodiense
Trypanosoma gambiense
Trypanosoma cruzi
Trichomonas tenax
Trichimonas vaginalis
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8
Q

Old world cutaneous leishmaniasis

A

Leishmania tropica

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9
Q

American mucocutaneous leishmaniasis

A

Leishmania braziliense

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10
Q

Viceral leishmaniasis

A

Leishmania donovani

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11
Q

East african sleeping sickness

A

Trypanosoma rhodiense

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12
Q

West african sleeping sickness

A

Trypanosoma gambiense

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13
Q

4 developmental stages of flagellates

A

Amastigote
Promastigote
Epimastigote
Trypomastigote

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14
Q

Leishman-donovan body

A

Amastigote

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15
Q

Leptomonal form

A

Promastigote

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16
Q

Crithidial form

A

Epimastigote

17
Q

Trypanosomal form

A

Trypomastigote

18
Q

Most common gut flagellate cause of outbreak in the developed countries

A

Giardia lamblia

19
Q

Specimen of choice for Giardia lamblia

A

Stool
Duodenal aspirate
Small intestine biopsy

20
Q

Test for Giardia lamblia

A 
Entero test
ELISA
EIA
Western blot
RT-PCR
21
Q

Where life cycle of Giardia lamblia happens

A

Duodenum

22
Q

Infective stage of Giardia lamblia

A

Cyst (10 cysts to manifest)

23
Q

Mode of transmission of Giardia lamblia

A

Ingestion
Anal sex
Oral-anal

24
Q

Clinical symptoms of Giardia lamblia

A

Traveler’s diarrhea:

Steatorrhea

25
Q

Incubation period of Giardia lamblia

A

1-2 weeks or 10-36 days

26
Q

Treatment for Giardia lamblia

A

Albendazole

Metronidazole

27
Q

Prevention of Giardia lamblia

A

Proper water treatment

Personal hygiene

28
Q

Can undergo changes in it’s antigen for escape mechanism

A

Antigenic variation

29
Q

Virulence factors of Giardia lamblia

A

Adhesive disc - attachment to cells

Villus flattening - malabsorption

30
Q

Also called as ping pong disease

A

Trichomonas vaginalis

31
Q

Treatment for Trichomonas vaginalis

A

Metronidazole

32
Q

Incubation period of Trichomonas vaginalis

A

4 days to 4 weeks

Clinical Parasitology (9 decks)

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