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Protozoology - Parasitology

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60 Fragen
Jul 2, 2025
Fragetypen:
Kurzantwort

Frage 1

What is the general overview of amoebas?

Antwort

Amoebas are classified under the subphylum Sarcodina and utilize pseudopodia for movement.

Frage 2

What are the life cycle stages of amoebas?

Antwort

The life cycle stages include the cyst stage and the trophozoite stage.

Frage 3

Which amoeba is pathogenic?

Antwort

Entamoeba histolytica is the only amoebic pathogen that causes significant disease.

Frage 4

Where do most amoebas inhabit?

Antwort

All amoebas inhabit the intestine except for E. gingivalis.

Frage 5

Which amoeba does not have a trophozoite stage?

Antwort

E. gingivalis does not have a trophozoite stage.

Frage 6

What is the function of the cyst form of amoebas?

Antwort

The cyst form is a non-feeding, protective stage.

Frage 7

How does the trophozoite form of amoebas differ from the cyst form?

Antwort

The trophozoite is a feeding, multiplying, and motile form, while the cyst is non-motile.

Frage 8

What is the diagnostic stage for Entamoeba histolytica?

Antwort

Both the cyst and trophozoite forms serve as the diagnostic stage.

Frage 9

What type of staining is used to identify amoebas?

Antwort

Iodine staining is used to identify amoebas.

Frage 10

What is the primary laboratory tool for showing trophozoite motility?

Antwort

Saline wet preparation is used to show trophozoite motility.

Frage 11

What is the purpose of the iodine wet prep?

Antwort

Iodine wet prep reveals internal structures of amoebas.

Frage 12

What is the infective stage of Entamoeba histolytica?

Antwort

The infective stage is the cyst.

Frage 13

What are the clinical symptoms of Entamoeba histolytica infection?

Antwort

Symptoms include asymptomatic carrier state, amoebic colitis, and amoebic dysentery.

Frage 14

How can Entamoeba histolytica be transmitted?

Antwort

Transmission occurs through ingestion of cysts.

Frage 15

What is the treatment for Entamoeba histolytica infection?

Antwort

Metronidazole is used for treatment.

Frage 16

What distinguishes Entamoeba dispar from Entamoeba histolytica?

Antwort

Entamoeba dispar is non-pathogenic and morphologically similar but lacks ingested RBCs.

Frage 17

What is the habitat of Endolimax nana?

Antwort

Endolimax nana is found in the intestine.

Frage 18

Which amoeba is known for having no cyst stage?

Antwort

Entamoeba gingivalis is known for having no cyst stage.

Frage 19

What is the primary disease caused by Naegleria fowleri?

Antwort

Naegleria fowleri causes Primary Amoebic Meningoencephalitis (PAM).

Frage 20

What is the mode of transmission for Naegleria fowleri?

Antwort

Transmission occurs through inhalation of contaminated water.

Frage 21

What is the primary disease caused by Acanthamoeba spp.?

Antwort

Acanthamoeba spp. can cause Granular Amoebic Encephalitis.

Frage 22

What is the infective stage of Acanthamoeba spp.?

Antwort

The infective stage is the amoeboid and flagellated forms.

Frage 23

What is the primary disease caused by Giardia intestinalis?

Antwort

Giardia intestinalis causes giardiasis.

Frage 24

What is the infective stage of Giardia intestinalis?

Antwort

The infective stage is the cyst.

Frage 25

What are the clinical symptoms of giardiasis?

Antwort

Symptoms include abdominal cramps, diarrhea, and malabsorption syndrome.

Frage 26

What is the treatment for giardiasis?

Antwort

Metronidazole is the treatment for giardiasis.

Frage 27

What is the habitat of Neobalantidium coli?

Antwort

Neobalantidium coli inhabits the large intestine.

Frage 28

What is the mode of transmission for Neobalantidium coli?

Antwort

Transmission occurs via the fecal-oral route.

Frage 29

What disease does Neobalantidium coli cause?

Antwort

Neobalantidium coli causes balantidiasis.

Frage 30

What is the diagnostic stage for Neobalantidium coli?

Antwort

Both the trophozoite and cyst are diagnostic stages.

Frage 31

What is the infective stage of Paragonimus westermani?

Antwort

The infective stage is the metacercaria.

Frage 32

What is the primary host for Clonorchis sinensis?

Antwort

The final host for Clonorchis sinensis is humans.

Frage 33

What is the mode of transmission for Fasciola hepatica?

Antwort

Transmission occurs through ingestion of infected aquatic plants.

Frage 34

What is the treatment for Fasciola hepatica infection?

Antwort

Praziquantel and bithionol are used for treatment.

Frage 35

What is the diagnostic stage for Schistosoma mansoni?

Antwort

The diagnostic stage is the ova.

Frage 36

What is the infective stage for Schistosoma japonicum?

Antwort

The infective stage is the cercaria.

Frage 37

What is the primary disease caused by Schistosoma haematobium?

Antwort

Schistosoma haematobium causes urinary bilharziasis.

Frage 38

What is the mode of transmission for Echinococcus granulosus?

Antwort

Transmission occurs through ingestion of eggs.

Frage 39

What is the treatment for Echinococcus granulosus infection?

Antwort

Treatment includes albendazole, mebendazole, and surgical removal of cysts.

Frage 40

What is the infective stage of Trichinella spiralis?

Antwort

The infective stage is the encysted larvae.

Frage 41

What disease does Trichinella spiralis cause?

Antwort

Trichinella spiralis causes trichinosis.

Frage 42

What is the primary host for Strongyloides stercoralis?

Antwort

The final host for Strongyloides stercoralis is humans.

Frage 43

What is the diagnostic stage for Strongyloides stercoralis?

Antwort

The diagnostic stage is the rhabditiform larvae.

Frage 44

What is the treatment for Strongyloides stercoralis infection?

Antwort

Ivermectin and albendazole are used for treatment.

Frage 45

What is the infective stage of Enterobius vermicularis?

Antwort

The infective stage is the embryonated eggs.

Frage 46

What disease does Enterobius vermicularis cause?

Antwort

Enterobius vermicularis causes enterobiasis.

Frage 47

What is the mode of transmission for Ascaris lumbricoides?

Antwort

Transmission occurs through ingestion of embryonated eggs.

Frage 48

What is the diagnostic stage for Ascaris lumbricoides?

Antwort

The diagnostic stage is the unembryonated eggs.

Frage 49

What is the treatment for Ascaris lumbricoides infection?

Antwort

Albendazole and mebendazole are used for treatment.

Frage 50

What is the infective stage of Ancylostoma duodenale?

Antwort

The infective stage is the filariform larvae.

Frage 51

What disease does Ancylostoma duodenale cause?

Antwort

Ancylostoma duodenale causes ancylostomiasis.

Frage 52

What is the mode of transmission for Necator americanus?

Antwort

Transmission occurs through direct skin penetration.

Frage 53

What is the diagnostic stage for Necator americanus?

Antwort

The diagnostic stage is the eggs or rhabditiform larvae.

Frage 54

What is the treatment for Necator americanus infection?

Antwort

Albendazole and mebendazole are used for treatment.

Frage 55

What is the infective stage of Dracunculus medinensis?

Antwort

The infective stage is the larvae inside copepods.

Frage 56

What disease does Dracunculus medinensis cause?

Antwort

Dracunculus medinensis causes dracunculiasis.

Frage 57

What is the mode of transmission for Wuchereria bancrofti?

Antwort

Transmission occurs through the bite of infected arthropods.

Frage 58

What is the diagnostic stage for Wuchereria bancrofti?

Antwort

The diagnostic stage is the microfilariae.

Frage 59

What is the treatment for Wuchereria bancrofti infection?

Antwort

Diethylcarbamazine and ivermectin are used for treatment.

Frage 60

What is the infective stage of Onchocerca volvulus?

Antwort

The infective stage is the filariform larvae.

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