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RWJ Microbiology > Pathogenic Protozoa > Flashcards

Pathogenic Protozoa Flashcards

Dr. Kirn

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Biology 101 flashcards
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.

A

24

18
Q

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

A

GI

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

A

Pro, Ama

21
Q

What is the vector for Babesia?

A

Ticks

22
Q

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

A

Balantidium

23
Q

Plasmodium Falciparum is the most _____

A

Virulent

24
Q

4 Morphological States of Hemoflagellates?

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

“A PET”

25
Q

Name the 3 Terian malarias

A
  1. Vivax
  2. Ovale
  3. Falciparum
26
Q

2 Key identifying characteristic of Entamoeba Histolytica?

A

Four Nuclei with Chromatoid Bodies in Cyst

- Central dot in trophozoic

27
Q

Cryptosporidium, Cyclospora, Cystoisospora are all Apicomplexa that cause _____

A

Diarrhea

28
Q

Leishmaniasis is similar to American Trypomano because you have Promastigotes in the gut of the fly and the _______gotes in mammals

A

Amasti

29
Q

Why is Entamoeba Histolytica more serious than Giardia, even though they both transition through cysts and trophozoites?

A

Because it can aggressively invade intestinal cell walls.

30
Q

Why is Plasmodium Falciparum hard to detect in peripheral blood?

A
  • Aggregate to endothelium in capillaries
31
Q

What makes Microsporidia’s infection route unique?

A

Uses hollow tube to insert Sporoplasm

32
Q

Among the Hemoflagellates, what’s a key difference between Trypanosoma and Leishmania?

A
  • Tryp multply outside cells

- Leish multiply inside

33
Q

What’s the difference between a definitive Host and an Intermediate Host?

A

Definitve=Sexual cycles

Intermediate= Asexual

34
Q

Malaria initially starts in the _____ and then spreads into the _____

A

Liver, Erythrocytes

RWJ Microbiology (24 decks)

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