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Microbiology minimal questions > Minimal questions Protozoology > Flashcards

Minimal questions Protozoology Flashcards

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Biology 101 flashcards
1
Q

What are the development stages of the protozoa?

A

Trophozoit and cyst

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2
Q

What are the properties of the trophozoit?

A

Can move, feed, multiply and die

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3
Q

What are the properties of the cyst?

A

Is responsible for surviving in unfavourable environment, not showing biochemical activity is a dormant structure

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4
Q

How can the protozoa be classified?

A

Bu the type of movement: amoeba, ciliate, flagellate and sporozoa

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5
Q

List two amoebas:

A

Entamoaeba sp.,
Acantamoeba sp.,
Naegleria sp.

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6
Q

What is the causative agent of amoebic dysentery?

A

Entamoeba histolytica

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7
Q

What can Entamoeba histolytica cause?

A

Amoebic dysentery, liver, lung and brain abscess.

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8
Q

What is the causative agent of primary amoebic meningoencephalitis?

A

Naegleria fowleri

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9
Q

What is the causative agent of amoebic keratitis?

A

Acanthamoeba castellani

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10
Q

Which protozoa can cause steatorrhea?

A

Giardia lamblia

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11
Q

What is the treatment of giardiasis?

A

Metronidazole

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12
Q

Which protozoon can cause prostatitis?

A

Trichomonas vaginalis

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13
Q

Which protozoon can spread by sexual contact?

A

Trichomonas vaginalis

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14
Q

Which protozoa can spread by the bite of sand fly?

A

Leishmania sp.

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15
Q

What kind of disease can be caused by Leishmania sp.?

A

Cutan, mucocutan and visceral leishmaniosis

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16
Q

How can leishmaniosis diagnose?

A

Giemsa-staining of biopsied material

17
Q

Treatment of leishmaniosis?

A

Stibogluconate in combination with g-IFN and amphotericin-B

18
Q

What are the causative agent of Human African Trypanosomiasis (sleeping sickness)?

A
  • Trypanosoma brucei gambiense

- Trypanosoma brucei rhodensiense

19
Q

How can sleeping sickness spread?

A

By the bite of tsetse fly

20
Q

What are the symtoms of sleeping sickness?

A

Lethargy, meningoencephalitis, dementia, somnolence, coma

21
Q

What is the treatment of sleeping sickness?

A
  • Suramin

- Melarsoprol

22
Q

What is the causative agent of Chagas diseases?

A

Trypanosoma cruzi

23
Q

How can spread the chagas disease?

A

By the faeces of the kissing bug during the bite

24
Q

What is the treatment of Chagas disease?

A

Nifurtimox, the chronic stage is untreatable

25
Q

What kind of diseases can be caused by Cryptosporidium parvum?

A

Watery diarrhoea which lasts 1-2 weeks

26
Q

What is the treatment of cryptosporidiosis?

A

Oral rehydration

27
Q

What is the final host of Toxoplasma gondii?

A

Cats

28
Q

In which population can Toxoplasma cause serious disease?

A

In pregnant women and in immunocompromised population

29
Q

What is the treatment of toxoplasmosis?

A

Spiramycin, pyrimethamine combined with sulphonamide

30
Q

How can malaria spread?

A

By the bite of Anopheles mosquito, transplacental and by transfusion

31
Q

What are the symptoms of malaria (4 symptoms)?

A
  • Periodic high fever
  • Chills
  • Headache, pain in joints and muscle
  • Anaemia
  • Hepato- and splenomegaly
  • Kidney failure
32
Q

How can malaria diagnose?

A

Blood: thick droplet, thin film stained by Giemsa, IF, PCR

33
Q

What is the treatment of malaria?

A

Chloroquine, mefloquine and artemisin, hypnozoites by primaquine

34
Q

Prevention of malaria by chemoprophylaxis?

A

Chloroquine, mefloquine, doxycycline

35
Q

Prevention of malaria by vaccine?

A

Available since 2018 against Plasmodium falciparum. The content of the vaccine is a fusion protein.

36
Q

How can Balantidium coli spread?

A

By fruits, vegetable contaminated by pig manure or by faecal oral route

37
Q

What are the symptoms of balantidiasis?

A

Dysentery with abdominal pain, tenesmus

38
Q

Treatment of balantidiasis?

A

Metronidazole, tetracycline

Microbiology minimal questions (4 decks)

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