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Microbiology > Protozoa > Flashcards

Protozoa Flashcards

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Biology 101 flashcards
1
Q

Diagnosing giardiasis?

A

Trophozoites or cysts in stool

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2
Q

Anchovy paste exudate liver abscess?

A

Entamoeba

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3
Q

Diarrhea in entamoeba?

A

Bloody

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4
Q

What if submucosal abscess of colon ruptures due to Entamoeba?

A

Flask-shaped ulcer

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5
Q

RBCs in cytoplasm of trophozoites?

A

Entamoeba

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6
Q

Treatment for giardia and entamoeba?

A

Metronidazole

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7
Q

Treatment for cryptosporidium?

A

Oral hydration

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8
Q

Triad of sxs seen in congenital toxoplasmosis?

A

Chorioretinitis, hydrocephalus, intracranial calcfications

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9
Q

Tx for toxoplasmosis?

A

Sulfadiazine + pyrimethamine

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10
Q

MOA of naegleria infection?

A

Swims up olfactory nose thru cribriform plate

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11
Q

Dx naegleria?

A

Amoebas in CSF

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12
Q

Slow onset, fever, somnolence?

A

T. gambiense (West)

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13
Q

Rapid onset, fever, coma?

A

T. rhodesiense (East)

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14
Q

What has antigenic variation causing recurring fever?

A

Typanosoma

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15
Q

Tsetse fly with painful bite?

A

Trypanosoma

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16
Q

Tx for early T. brucei infection?

A

Suramin

17
Q

Tx for late T. brucei infection?

A

Melarsoprol

18
Q

Spiky trophozoites in CSF and brain tissue?

A

Acanthomoeba

19
Q

48 hour cycles of fever, HA, anemia?

A

P. vivax/ovale

20
Q

Irregular fever patterns?

A

P. falciparum

21
Q

72 hour cycle of fevers and anemia?

A

P. malariae

22
Q

Liver (hypnozoite) form of malaria?

A

P. vivax/ovale

23
Q

Transmitted by Anopheles mosquito?

A

Plasmodium

24
Q

Transmitted by Ixodes?

A

Babesia

25
Q

Tx for Babesia?

A

Atovaquone + azithromycin

26
Q

Tx for Chagas?

A

Nifurtimox

27
Q

Tx for Leishmania?

A

Sodium stibogluconate

28
Q

Histo shows macrophages containing amastigotes?

A

Leishmania

29
Q

Greenish vaginal burning/itching discharge?

A

Trichomonas

30
Q

Motile trophozoites on wet mount?

A

Trichomonas

31
Q

Tx for trichomonas?

A

Metronidazole for pt and partner

32
Q

Spiking fever, HSM, and pancytopenia?

A

Visceral leishmaniasis

Microbiology (11 decks)

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