Term
| What are the two main divisions of parasites and their subdivisions? Try and give the examples under each class (see page 461)? |
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Definition
Protozoans
-Amebae
-Flagellates
-*Apicomplexa
Metazoans
-Trematodes (flat)
-Cestodes (flat)
-*Nematodes (round) |
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Term
| What is the difference between an intermediate and definitive host? |
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Definition
-Intermediate carries the larval or asexual stage
-Definitive carries the adult or sexual stage |
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Term
| WEhat is the difference between mechanical and biologic vectors? |
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Definition
-Mechanical just carry it
-Biological actually serves as a host |
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Term
| What does Entamoeba histolytica cause and look like? How is it transmitted? How do we diagnose? What is the treatment? |
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Definition
-Dysentery with flask-shaped lesions in the large int. and blood and pus in the stool
-Can spread to other organs, esp. the liver
-Has a distinct nuclei w a dark dot right in the middle
-Fecal-oral (food or water)
-Diagnose by looking for cyst or trophozoites (nutrient absorbing stage of some parasites) in stool
-Treat with metronidazole followed by iodoquinol |
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Term
| What does giardia lamblia cause? What does it look like? What is the transmission? How do we treat? |
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Definition
-It comes in and attaches to the duodenal wall and causes *fatty-foul smelling diarrhea
-Looks like a leaf with tentacles (kinda like a metroid lol)
-Transmission is fecal-oral (often from contaminated water from beaver/muskrat poo)
-Treat with metronidazole |
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Term
| Note; changing tactic, the charts are just too much easier. Use them. |
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Definition
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