25 Questions
Which of the following is NOT a characteristic of Sarcocystis neurona?
It has a sexual phase in its life cycle
Which of the following is the true intermediate host for Sarcocystis neurona?
Opossums
What is the main mode of transmission for Babesia microti, the causative agent of Texas cattle fever?
Tick vectors
Which of the following is a key characteristic of Apicomplexa, the phylum to which Sarcocystis neurona and Babesia microti belong?
All of the above
What is the primary function of the cyst stage in the life cycle of Apicomplexa parasites like Sarcocystis neurona?
Both a and b
What is the primary etiological agent of human babesiosis in the United States?
Babesia microti
Which host is the definitive host in the life cycle of Babesia microti?
Tick
What is the genus of the tick involved in the Babesia microti life cycle?
Ixiodes
What is the significant tick-borne disease caused by various species from the protozoan genus Babesia?
Canine babesiosis
Which protozoan genus is associated with causing human babesiosis?
Babesia
Which Apicomplexa parasite is known to infect pigs?
Neospora
What is the diagnostic feature of many Apicomplexa parasites?
A cyst stage
Which parasite is transmitted by ticks and infects blood cells?
Hepatozoon
What is the characteristic mode of locomotion for Apicomplexa parasites?
Gliding motility
Which Apicomplexa parasite is known to cause disease in dolphins?
Babesia
Which of the following is a characteristic feature of Apicomplexan parasites?
They are obligate intracellular parasites
Which of the following is a protozoan parasite that can cause neurological disease in horses?
Sarcocystis neurona
Which of the following statements about Babesia microti is correct?
It is an intracellular parasite that causes babesiosis in humans
Which of the following statements about the life cycle of Apicomplexan parasites is correct?
Fusion of micro- and macrogamonts leads to the formation of a zygote
Which of the following statements about protozoan parasites is correct?
They are traditionally grouped based on their methods of movement and feeding
What type of reproduction is exhibited by the protozoan parasite Merocystis kathae in scallops?
Asexual reproduction
What is the definitive host for Merocystis kathae?
Common whelk
Which of the following protozoan genera is known to cause disease in poultry?
Histomonas
Which human disease is caused by the protozoan parasite Trypanosoma cruzi?
Chagas disease
What is the colloquial term for traveler's diarrhea contracted in Mexico?
Montezuma's revenge
Explore the relationship between Equine Protozoal Myeloencephalitis and Sarcocystis neurona, the parasitic protozoa responsible for causing neurological symptoms in horses. Learn about the possible transmission methods, symptoms, and impact on horse health. Delve into the connection with S.falcatula in birds and the survival strategies of Apicomplexan protozoa.
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