Protists Flashcards
Which protists cause diarrhea?
Giardia
Entamoeba hystoltica
Cryptosporidium
Cyclospora
Which protist that causes diarrhea is acquired by ingestion of cysts, is flagellated and attaches to epithelial intestinal cells?
Giardia
Which protist that causes diarrhea moves via amoeboid movement?
Entamoeba histolytica
What about trypanosomes makes them very difficult to treat?
Antigenic variation of their protein coat
Do any fungi have arthropod vectors?
NO!
What is the vector of African sleeping sickness and what is another name for the disease?
tetse fly
Trypanomyosis
______________ ‘s vector is the sand fly
Leishmaniasis
What is characteristic of Leishamaniasis?
Cutaneous sores, typically heals on its own even though sores remain present throughout life.
Have life long immunity
___________’s vector is the kissing bug and is an example of a _________ protist infection
Chaga’s disease
Trypanosome
What are two examples of trypanosome infections?
African sleeping sickness and Chaga’s disease
What is the main cause of the diarrhea seen in the protists that cause these diahhrea symptoms
Ingestion of cysts
When making a home made saline solution, one that uses it may acquire ________ due to the brain eating _________ that is typically acquired through fresh water
Keratitis ; acanthamoeba
What causes malaria?
Plasmodium
What is the vector of plasmodium? And at what stage in plasmodium’ life cycle is it in when the vector trasmits it to the host?
Anopheles mosquitoe
Mosquitoes inject sporozoites
Once the sporozoites are in the body they go to the _______ and become _______ that then infect the RBC’s
Hepatocytes; merozoites
Merozoites in RBC’s cycle and infect other cells and also produce ______ that a mosquitoe will pick up on its next meal.
Gametes
The symptoms of malaria are cycles of fever and __________. The best prevention for it is the use of __________
Anemia
Bed nets
Cyclospora is a unicellular coccidian parasite that is transmitted through ________
contaminated food and water
What is the route of transmission of toxoplasmosis? And what are possible reservoirs?
Fecal-oral
cat litter and undercooked meat
Is toxoplasma motile or non motile?
Nonmotile
trichanomiasis is the only ______ protist
STD
Trichanomiasis is mainly asymptomatic in _______ but in women they may have a symptom of ______
Strawberry cervix
Which of the protists are flagellated?
Trichanomiasis
Giardia
Trypanosomes
Giardia is a diplomonad it has no mitochondria and ___________
Multiple flagella
