Parasite Life Cycles: Infection, Diseases, and Diagnosis
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Questions and Answers

Which type of organisms are unicellular and easily killed by macrophages?

  • Ciliates
  • Flagellates
  • Sporozoa
  • Amoebae (correct)

What is the primary mode of transmission for amoebiasis according to the text?

  • Contaminated water or food (correct)
  • Skin contact
  • Airborne particles
  • Mosquito bites

Which type of motility is characteristic of Flagellates?

  • Cilia assisted motility
  • Pseudopodal motility
  • Gliding motility
  • Flagellate motility (correct)

How is a definitive diagnosis for Amoebiasis typically made?

<p>Detection of cysts in feces (A)</p> Signup and view all the answers

What is the mode of ingestion for Giardiasis?

<p>Ingestion of cysts in outdoor water (C)</p> Signup and view all the answers

What is the site of infection for Balantidiasis?

<p>Intestine (B)</p> Signup and view all the answers

How is the diagnosis made for Intestinal Sporozoa infections?

<p>Acid-fast oocyst in feces (B)</p> Signup and view all the answers

What is the mode of infection for Acanthamoeba culbertsoni?

<p>Infection of skin, eye, lungs (D)</p> Signup and view all the answers

Which vector transmits American trypanosomiasis (Chagas' disease)?

<p>Triatomine bug (A)</p> Signup and view all the answers

What is the most common form of Leishmania infection?

<p>Dermal/ cutaneous form (D)</p> Signup and view all the answers

'Toxoplasma gondii' primarily affects which animals as definitive hosts?

<p>Cat family (C)</p> Signup and view all the answers

'Babesiosis' can be easily mistaken for which disease?

<p>'Malaria' (D)</p> Signup and view all the answers

'Trypomastigote' is commonly found in which bodily component?

<p>'Blood plasma' (D)</p> Signup and view all the answers

Which type of parasite is characterized by pseudopodal motility?

<p>Amoebae (C)</p> Signup and view all the answers

What is the primary mode of transmission for amoebiasis according to the text?

<p>Contaminated water or food (D)</p> Signup and view all the answers

Which type of organisms are characterized by flagellate motility?

<p>Flagellates (B)</p> Signup and view all the answers

What is the diagnostic form of Entamoeba histolytica in feces?

<p>Cyst (B)</p> Signup and view all the answers

What is the mode of transmission for Giardiasis?

<p>Ingestion of cysts in outdoor water (A)</p> Signup and view all the answers

Where does Balantidiasis primarily infect?

<p>Intestine (B)</p> Signup and view all the answers

How is the diagnosis made for Urogenital Flagellate infection?

<p>Vaginal smear showing cysts (C)</p> Signup and view all the answers

What is the site of infection for Amoeboflagellates?

<p>Central nervous system (C)</p> Signup and view all the answers

Which organism is primarily transmitted by the tsetse fly in East Africa?

<p>Trypanosoma rhodesiense (C)</p> Signup and view all the answers

In which host does sporogony occur for Sporozoa?

<p>Definitive host (C)</p> Signup and view all the answers

Which disease is caused by Leishmania brasiliensis?

<p>Mucocutaneous form of leishmaniasis (D)</p> Signup and view all the answers

What is the primary mode of transmission for Amoebic Menigoencephalitis?

<p>Infection of nasal passages (C)</p> Signup and view all the answers

How does Cryptosporidium parvum primarily infect humans?

<p>Ingestion of cysts in outdoor water (B)</p> Signup and view all the answers

What is a characteristic feature of Trypanosoma cruzi infection?

<p>Enlarged heart and intestines (D)</p> Signup and view all the answers

What is a common misconception about Trichomonas vaginalis infection?

<p>It is transmitted through blood transfusions. (B)</p> Signup and view all the answers

Flashcards

Unicellular Organisms

Single-celled organisms susceptible to destruction by macrophages.

Amoebiasis Transmission

The primary mode of transmission for amoebiasis is through contaminated water or food.

Flagellate Motility

Flagellate motility refers to the movement of organisms using whip-like structures called flagella.

Amoebiasis Diagnosis

Diagnosing Amoebiasis involves identifying cysts in fecal samples.

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Giardiasis Transmission

Giardiasis is acquired by ingesting cysts found in contaminated outdoor water.

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Balantidiasis Site

Balantidiasis primarily affects the intestines.

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Intestinal Sporozoa Diagnosis

Diagnosing Intestinal Sporozoa infection is done by identifying acid-fast oocysts in feces.

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Acanthamoeba Culbertsoni Infection

Acanthamoeba culbertsoni can infect various parts of the body including the skin, eyes, and lungs.

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Chagas' Disease Transmission

American trypanosomiasis (Chagas' disease) is transmitted via the bite of a triatomine bug.

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Leishmaniasis Form

The most common form of Leishmania infection affects the skin.

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Toxoplasma Gondii Host

Members of the cat family are the primary definitive hosts for Toxoplasma gondii.

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Babesiosis Misdiagnosis

Babesiosis can be misidentified as malaria.

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Trypomastigote Location

Trypomastigote is commonly found in blood plasma.

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Amoebae Motility

Amoebae are characterized by pseudopodal motility, using temporary extensions of their cytoplasm for movement.

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Amoebiasis Transmission

The primary mode of transmission for amoebiasis is through contaminated water or food.

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Flagellates Motility

Organisms with flagellate motility use whip-like structures called flagella for movement.

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Entamoeba Histolytica Diagnosis

The diagnostic form of Entamoeba histolytica in feces is the cyst.

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Giardiasis Transmission

Giardiasis is acquired by ingesting cysts found in contaminated outdoor water.

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Balantidiasis Site

Balantidiasis primarily infects the intestines.

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Urogenital Flagellate Diagnosis

Diagnosing Urogenital Flagellate infection involves examining a vaginal smear for cysts.

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Amoeboflagellates Infection

Amoeboflagellates primarily infect the central nervous system.

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Trypanosoma Rhodesiense Transmission

Trypanosoma rhodesiense is primarily transmitted by the tsetse fly in East Africa.

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Sporogony Host

Sporogony, a stage in the life cycle of Sporozoa, occurs within the definitive host.

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Leishmania Brasiliensis

Leishmania brasiliensis causes the mucocutaneous form of leishmaniasis.

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Amoebic Meningoencephalitis Transmission

Amoebic meningoencephalitis is primarily transmitted through infection of the nasal passages.

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Cryptosporidium Parvum Transmission

Cryptosporidium parvum infects humans primarily through ingestion of cysts found in contaminated outdoor water.

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Trypanosoma Cruzi Feature

A characteristic feature of Trypanosoma cruzi infection is enlargement of the heart and intestines.

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''Trichomonas Vaginalis'' Transmission Misconception

A common misconception about Trichomonas vaginalis infection is that it is transmitted through blood transfusions.

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