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Microbiology > Intestinal and Sexually Transmitted Protozoan Infections > Flashcards

Intestinal and Sexually Transmitted Protozoan Infections Flashcards

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Biology 101 flashcards
1
Q

Characteristics of Protozoan

A

Unicellular
Eukaryotic
Free-living

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2
Q

Two forms of Protozoa

A

Cyst form
Tropozoite

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3
Q

Protective capsule against adverse condintions and external environment

A

Cyst form

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4
Q

Feeding and growing stage

A

Trophozoite

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5
Q

Asexual reproduction of Protozoans

A

Fission
Budding
Schizogomy

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6
Q

Sexual reproduction of Protozoans

A

Conjugation
Sporogony - Sporozoan

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7
Q

Giardia lamblia

A

Giardia duodenalis/intestinalis

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8
Q

Disease caused by Giardia lamblia

A

Giardiasis/Beaver Fever/Leningrad’s Curse

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9
Q

2 Forms of Giardia lamblia

A

Trophozoite
Cyst

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10
Q

Trophozoite form of G. lamblia

A

Heart-shaped
4 flagella
Old man’s eyeglasses appearance ✰

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11
Q

Cyst form of G. lamblia

A

Passed into colon and stools

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12
Q

Giardiasis S/S

A

Greasy, frothy, foul smelling diarrhea with rotten egg odor
Abdominal cramps

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13
Q

Mode of transmission of G. lamblia

A

Direct fecal contamination
Oral-anal sex
Ingestion of cyst

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14
Q

Disease occurs in backpackers who drink in untreated wilderness water

A

Giardiasis

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15
Q

Treatment of Giardiasis (Giardia lamblia)

A

Metronidazole

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16
Q

Disease caused by Entamoeba histolytica

A

Amebiasis/Amebic dysentery

17
Q

Cyst form of E. histolytica

A

Chromatoid bodies
Rounded ends
Sausage shaped
Cigar shaped

18
Q

Nucleus of immature cyst of E. histolytica

A

1-3 nuclei

19
Q

Nucleus of mature cyst of E. histolytica

A

4 nuclei

20
Q

Trophozoite form of E. histolytica

A

Invade intestinal epithelium and forms ulcers wgile ingesting RBC

21
Q

Transmission of E. histolytica

A

Food and water contaminated by cyst

22
Q

Treatment of Amebiasis

A

Metronidazole

23
Q

Large ciliated protozoa that can affect humans

A

Balantidium coli

24
Q

Disease caused by Balantidium coli

A

Balantidiasis

25
Q

Animal reservoir of Balantidium coli

A

Swine or Pigs

26
Q

Balantidium coli is transmitted through

A

✰ Ingestion of food with pig feces or cyst

27
Q

Treatment of Balantidium coli

A

Metronidazole
Tetracycline

28
Q

Causes Cryptosporidiosis or Crypto

A

Cryptosporidium hominis

29
Q

Infect intestine of immunocompromised patients (AIDS) and Severe, intractable diarrhea (Cholera-like)

A

Cryptosporidium hominis

30
Q

Mode of transmission of C. hominis

A

Ingestion of oocyst by inhabiting the brush border of mucosal eithelial cell of GI tract/SI ✰

31
Q

Sexually Transmitted Protozoan Infection

A

Trichomonas vaginalis

32
Q

An anaerobe protozoan inhabits in Vagina in urethra

A

Trichomonas vaginalis

33
Q

Disease caused by Trichomonas vaginalis

A

Trichomoniasus/Trich

34
Q

Characteristics of T. vaginalis

A

Exists only as trophozoite form
5 flagella (4 flagella on one side)
Undulating membrane - mobility
Axostyle - rod used for attachment and cause injury ✰

35
Q

Signs and symptoms of trichomoniasis

A

Greenish-yellow, foul odor discharge
Irritation and itching
Strawberry cervix
Burning sensation during urination

36
Q

Treatment for Trichomoniasis

A

Metronidazole (Flagyl)

36
Q

Treatment for Trichomoniasis

A

Metronidazole (Flagyl)

Microbiology (17 decks)

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