22 Questions
Which of the following is a key difference between West African Sleeping Sickness and East African Sleeping Sickness?
West African Sleeping Sickness is caused by Trypanosoma brucei gambiense, while East African Sleeping Sickness is caused by Trypanosoma brucei rhodesiense.
Which phase of Chagas disease is characterized by fever, malaise, swollen lymph nodes, and acute myocarditis?
Acute phase
In the life cycle of Trypanosoma cruzi, the ___ form tunnels into the human host and transforms into the ___ form, which invades various cells and tissues.
Trypomastigote, amastigote
Which of the following is a characteristic symptom of the central nervous system involvement in African Sleeping Sickness?
Daytime drowsiness
Which of the following is a feature of the variable surface glycoproteins (VSG) in Trypanosoma brucei?
They are responsible for the intermittent fevers observed in Sleeping Sickness.
Which of the following is a common symptom observed in both the acute and chronic phases of Chagas disease?
Swollen lymph nodes
What is the primary mode of reproduction in protozoa?
Asexual binary fission
Which of the following protozoan parasites is primarily transmitted by the bite of a sandfly vector?
Leishmania species
Which of the following protozoan parasites is the causative agent of Chagas disease?
Trypanosoma cruzi
What is the name of the infective stage of Plasmodium species that is transmitted by the Anopheles mosquito vector?
Sporozoite
Which of the following protozoan parasites can cause severe opportunistic infections in immunocompromised individuals?
Toxoplasma gondii
Which of the following protozoan parasites is responsible for the characteristic cyclic symptoms of malaria?
Plasmodium species
What is the name of the intracellular stage of Leishmania species that invades phagocytic cells in the human host?
Amastigote
Which of the following protozoan parasites can cause severe neurological complications in immunocompromised individuals?
Toxoplasma gondii
What is the name of the infective stage of Trypanosoma brucei that is transmitted by the tsetse fly vector?
Trypomastigote
Which of the following protozoan parasites can cause severe diarrheal illness in immunocompromised individuals?
Microsporidium species
Which disease is transmitted by the Anopheles mosquito?
Malaria
What is the causative agent of Chagas disease?
Trypanosoma cruzi
Which phase of the Toxoplasma gondii life cycle involves intestinal infection in cats?
Intestinal phase
Which disease is characterized by periodic episodes of high fever and shaking chills, followed by profuse sweating?
Malaria
Which organism causes sleeping sickness?
Trypanosoma brucei
In which phase of Chagas disease are organs like the heart, colon, and esophagus primarily affected?
Chronic phase
Learn about the chronic phase of Chagas disease where most people may not show symptoms but can suffer from dementia, megacolon, megaesophagus, heart damage, and failure. Explore the symptoms of malaria caused by Plasmodium species, leading to millions of global cases and mortality.
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