Pathogenic Protozoa Flashcards

Dr. Kirn

1
Q

Toxoplasma are often found in _____ feces; pregnant women should avoid them because their Tachyzoites can invade placenta

A

Cat

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2
Q

3 Presentations of Leishmania?

A

Lesions in skin, Mucous, or Viscera

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3
Q

American Trypomanosomiasis is known as _____ disease

A

Chagas’

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4
Q

When Trypanosoma Brucei is in the fly it’s a _____mastigote and when it’s in mammals it’s a ____mastigote

A

Epi, Trypo

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5
Q

Plasmodium spp. causes _____

A

Malaria

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6
Q

Why do plasmodium Vivax and Ovale require “radical cures”

A

They linger in the liver longer as sporozoites

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7
Q

Plasmodium make micro and macro gametocytes that sexually reproduce inside ______

A

Mosquitoes

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8
Q

What’s the difference between Giardia and Trichomonas?

A

Only Giardia has a “Cyst” form.

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9
Q

Naegleria and Acanthamoeba both cause Amoebic _______

A

Meningoencephalitis

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10
Q

Plasmodium Babesia, Toxoplasma Sarcocystis, and Cryptosporidium Isospora are all _____

A

Apicomplexa

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11
Q

Mnemonic to remember Hemoflag. Morpho stages?

A

Hemoflags make A PET

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12
Q

The Trypanosoma Brucei use the ____ ____ as their vector and cause African Sleeping Sickness

A

Tsetse Fly

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13
Q

Name the Quartan Malaria, which has Fevers that occur at ____ hr intervals

A

Malariae, 72

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14
Q

What 2 things differentiates Babesia from Maleria?

A
  • Only RBCs attacked by Bab

- No Shizonts in Bab

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15
Q

For Apicomplexa there’s first ______ that grow without division, then _____ cleave into multiple progeny

A

Trophozoites, Schizonts

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16
Q

A Kinetoplast is a _____ + a ______ ____

A

Mitochondrion, Basal Body

17
Q

Plasmodium Knowlesi has a replication cycle that lasts _____ hrs. It is a monkey parasite.

18
Q

Giardia reproduces in the _____ of humans as the cyst form, and then spread in the Trophozoite form

19
Q

3 main symptoms of Chagas’ Disease

A
  1. Eyelid swelling
  2. Muscle/Febrile Illness
  3. Heart dysfunction
20
Q

In Trypanosoma Cruzii (American), the Traitoma bug has the _____mastigotes and the mammal tissue have the ____mastigotes

21
Q

What is the vector for Babesia?

22
Q

_____ Coli is the only ciliate species that causes disease in humans (fecally)

A

Balantidium

23
Q

Plasmodium Falciparum is the most _____

24
Q

4 Morphological States of Hemoflagellates?

A
  1. Amastigote
  2. Promastigote
  3. Epimastigote
  4. Trypomastigote

“A PET”

25
Name the 3 Terian malarias
1. Vivax 2. Ovale 3. Falciparum
26
2 Key identifying characteristic of Entamoeba Histolytica?
Four Nuclei with Chromatoid Bodies in Cyst | - Central dot in trophozoic
27
Cryptosporidium, Cyclospora, Cystoisospora are all Apicomplexa that cause _____
Diarrhea
28
Leishmaniasis is similar to American Trypomano because you have Promastigotes in the gut of the fly and the _______gotes in mammals
Amasti
29
Why is Entamoeba Histolytica more serious than Giardia, even though they both transition through cysts and trophozoites?
Because it can aggressively invade intestinal cell walls.
30
Why is Plasmodium Falciparum hard to detect in peripheral blood?
- Aggregate to endothelium in capillaries
31
What makes Microsporidia's infection route unique?
Uses hollow tube to insert Sporoplasm
32
Among the Hemoflagellates, what's a key difference between Trypanosoma and Leishmania?
- Tryp multply outside cells | - Leish multiply inside
33
What's the difference between a definitive Host and an Intermediate Host?
Definitve=Sexual cycles | Intermediate= Asexual
34
Malaria initially starts in the _____ and then spreads into the _____
Liver, Erythrocytes