Term
| What are the four groups of protozoa based on locomotion? |
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Definition
Mastigophora (flagellates) - flagella Sarcodina (ameoba) - pseudopods (false feet) Ciliata (Ciliates) - small hair-like cilia Sporozoa (Sporozoan) - parasites, complex life cycles.
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Term
| What are the chararacteristics of Plasmodium vivax? |
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Definition
Infects RBC Disease malaria - flu like symptoms - fever, chills, headaches aka Blackwater Fever Sporozoa type Caused by carrier Anopheles mosquito in tropics Anemic / Sickle Cell genetics are resistant to infection.
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Term
| What are the characteristics of Trichomonas vaginalis? |
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Definition
Disease STD - greenish discharge, painful, itchy in woman, men are asymptomatic. Infection of genitals Mastigophor type Transmitted thu sexual intercourse
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Term
| What are the characteristics of Giardia lamblia? |
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Definition
Disease giardiasis - diarrhea, cramps, nausea Infects intestines Asymptomatic carries exist Transmitted through contaminated food or water. Mastigophora type Two forms trophozoite and cyst Cyst are hardy infectious form that can live in water for months Two Trophozoites are produced by excystation which is binary fission of one cyst. Diagnosis is through direct mount of feces sample, may require multiple because of limited MOs. Boiling is required to breakdown hardy cyst form.
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Term
| What are the characteristics of Trypanosoma brucei? |
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Definition
Chaga's disease aka African sleeping sickness Reduvild "kissing" bugs deposit infected feces on skin at night - scratch, rub into cuts Mastigophora type Typical in Central and South America Low income and infants Two stages:
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Term
| What are the characteristics of Toxoplasma gondii? |
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Definition
Disease toxoplasmosis - very few symptoms Suseptable patients - weakened IS, pregnant (tranmitted to fetus) Lives in soil, contaminated fomites Transmitted thru direct contact, transplants, transmission, raw meat, cat feces Sporoza type Nonmotile, OIP
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