Module 12- Part 2: Protist Pathogens Flashcards
All protists are part of which domain?
Eukarya
Protists can be subdivided into 3 sections based on how they obtain nutrients. What are these 3 divisions?
Fungus-like protists, algae, and protozoans
What is the process that means a body of water has acquired a high concentration of nutrients?
Eutrophication
What is the term for fluctuation of algal population?
Algal bloom
Plankton are also called what?
Dinoflagellates
What toxin causes paralytic shellfish poisoning?
Saxitoxin
What toxin causes neurotoxic shellfish poisoning?
Brevetoxin
What type of algae have cell walls that contain pectin and silica?
Diatoms
Which type of protists are the most animal like and use phagocytosis to obtain nutrients?
Protozoans
What are the 3 divisions of protozoans?
Amoeba, ciliates, and flagellates
Which protist phylum have no mitochondria and have 2 or more flagella?
Archaezoa
What is the structure at the back end of archaezoa that aid in attachment to the host?
Axostyle
What is the most common human pathogenic protozoan that also causes and STI called trichomoniasis?
Trichomonas vaginalis
What is the scientific term for strawberry cervix caused by T. vaginalis?
Colpitis macularis
What is the scientific name for the protist that causes giardiasis?
Giardia lamblia
What are the type of protists that move using pseudopods?
Amoebozoa
What is the scientific name for the protist that causes amebiasis?
Entamoeba histolytica
What is the term for a severe form of amebiasis?
Amebic dysentery
What is the classification of protists that have specialized organelles like apicoplasts, microenems, and phoptries?
Apicomplexa
What is the most common cause of malaria?
Plasmodium falciparum
What is the vector in the plasmodium species?
Female anopheles mosquito
What are the two ways to diagnose malaria?
Check for enlarged spleen and use the lamp test
What is the name of the protist that causes toxoplasmosis?
Toxoplasma gondii
Which disease are cats that definitive host?
Toxoplasma gondii
Which phylum of protists are flagellates?
Euglenozoa
How are hemoflagellates transmitted?
Via blood-feeding insects
What is the scientific name of the protist that causes 95% of sleeping sickness in sub-Saharan African countries?
Trypanosoma brucei
What is the vector in Trypanosoma brucei?
the tsetse fly
What are the stages of Trypanosoma brucei?
Stage 1: parasite travels through bloodstream and multiplies
Stage 2: enters the brain and CSF
What is the scientific name for American trypanosomiasis?
Trypanosoma cruzi
What is the common name for Trypanosoma cruzi?
Chagas disease
What is the vector in Chagas disease?
the kissing bug/triatoma
