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Questions and Answers
Which kingdom and subkingdom do human parasites such as Entamoeba histolytica belong to?
Which kingdom and subkingdom do human parasites such as Entamoeba histolytica belong to?
- Protista, Protozoa (correct)
- Plantae, Fungi
- Fungi, Algae
- Animalia, Porifera
What is the main method of locomotion and feeding for Sarcodina (Amoebae)?
What is the main method of locomotion and feeding for Sarcodina (Amoebae)?
- Pseudopodia (correct)
- Flagella
- Cilia
- None of the above
What is the size range of the trophozoite form of Entamoeba histolytica?
What is the size range of the trophozoite form of Entamoeba histolytica?
- 1-5 mm
- 20-50 cm
- 100-500 nm
- 10-60 µm (correct)
Where do trophozoites of Entamoeba histolytica reside?
Where do trophozoites of Entamoeba histolytica reside?
How does man acquire infection with Entamoeba histolytica?
How does man acquire infection with Entamoeba histolytica?
What happens to trophozoites if they are passed in diarrhoeal stools?
What happens to trophozoites if they are passed in diarrhoeal stools?
What is the term used for the process of liberating a single tetranucleate amoeba from the cyst wall in the small intestine?
What is the term used for the process of liberating a single tetranucleate amoeba from the cyst wall in the small intestine?
Which species is morphologically indistinguishable from E. histolytica?
Which species is morphologically indistinguishable from E. histolytica?
What causes destruction and necrosis of tissue and produces flask-shaped ulcers during growth?
What causes destruction and necrosis of tissue and produces flask-shaped ulcers during growth?
What is the term used for the process in which chromatin materials are concentrated into bars in the cytoplasm of the cyst?
What is the term used for the process in which chromatin materials are concentrated into bars in the cytoplasm of the cyst?
What is the term used for the fulminant brain infection caused by N. fowleri?
What is the term used for the fulminant brain infection caused by N. fowleri?
What type of infection may be acquired by inhalation of dust containing infective forms of N. fowleri?
What type of infection may be acquired by inhalation of dust containing infective forms of N. fowleri?
What method is used for diagnosing E. histolytica by identifying cysts and trophozoites in the stool?
What method is used for diagnosing E. histolytica by identifying cysts and trophozoites in the stool?
What type of cells are ingested by E. histolytica, allowing it to be morphologically distinguished?
What type of cells are ingested by E. histolytica, allowing it to be morphologically distinguished?
What is the drug of choice for asymptomatic infections of E. histolytica?
What is the drug of choice for asymptomatic infections of E. histolytica?
What is used to differentiate between E. histolytica and E. dispar?
What is used to differentiate between E. histolytica and E. dispar?
What does Entamoeba dispar cause in individuals?
What does Entamoeba dispar cause in individuals?
What may be an indication for surgical intervention in cases of amoebiasis?
What may be an indication for surgical intervention in cases of amoebiasis?
What is the route of invasion for the amoeboid forms causing primary amoebic meningoencephalitis (PAM)?
What is the route of invasion for the amoeboid forms causing primary amoebic meningoencephalitis (PAM)?
What are the common initial symptoms of primary amoebic meningoencephalitis (PAM)?
What are the common initial symptoms of primary amoebic meningoencephalitis (PAM)?
How long does it usually take for primary amoebic meningoencephalitis (PAM) to result in death after the onset of symptoms?
How long does it usually take for primary amoebic meningoencephalitis (PAM) to result in death after the onset of symptoms?
What is the characteristic method for laboratory diagnosis of primary amoebic meningoencephalitis (PAM)?
What is the characteristic method for laboratory diagnosis of primary amoebic meningoencephalitis (PAM)?
Which type of vector is a housefly in the case of Entamoeba transmission?
Which type of vector is a housefly in the case of Entamoeba transmission?
What is the main function of a vector in the transmission of infections?
What is the main function of a vector in the transmission of infections?
What is the role of a reservoir host in the context of infectious diseases?
What is the role of a reservoir host in the context of infectious diseases?
What distinguishes a biological vector from a mechanical vector?
What distinguishes a biological vector from a mechanical vector?
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