Lab Practicum #2 Question Set - 9. Examination of Common Protozoans of Clinical Importance

96. The only ciliated human pathogen is (genus and species) __________________________________and it causes the disease __________________________________.

Balantidium coli Balantidiasis

89. Name the causative agent (organism) of amoebic dysentery (amebiasis).

Entamoeba histolytica

99. Name the organism that causes giardiasis.

Giardia lamblia

98. Most infections of Balantidium coli are asymptomatic, however it can cause the following symptoms in some patients:

bloody mucoid feces, nausea, vomiting, abdominal tenderness/ diarrhea alternating with constipation

95. How does the organism that causes amoebic dysentery move through its environment?

by pseudopods

92. Infection with the amoebic dysentery organism occurs when a human host ingests _______________ (stage) in _____________________________________.

cyst drinking contaminated water or food

91. identification of the amoebic dysentery organism may be made by finding either trophozoites or _______________ in a _______________

cyst stool sample

97. __________________ in sewage-contaminated water are the infective form of Balantidium coli.

cysts

90. Amoebic dysentery is most common in areas with __________________________.

poor sanitation/ warmer climates