What parasite (genus and species) do you suspect?    What is the life stage for the parasite recovered from this stool sample?    How did Maria acquire this infection    Name two other symptoms associated with this parasite that people like Maria may experience.

Principles Of Pharmacology Med Assist
6th Edition
ISBN:9781337512442
Author:RICE
Publisher:RICE
Chapter12: Parenteral Equipment And Supplies
Section: Chapter Questions
Problem 23RQ
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Maria, a 5-year-old girl, presented to a local clinic complaining of diarrhea, gastrointestinal pain, and bleeding. Patient history revealed that Maria recently emigrated to the United States from Puerto Rico. The physician on duty ordered a series of stool samples for ova and parasite (O & P) examination. Barrel-shaped structures (image below) that appeared to have plugs at each end were seen on the direct wet preps, concentrated wet preps after performing a zinc sulfate flotation method, and permanent stains. 

  

What parasite (genus and species) do you suspect?   

What is the life stage for the parasite recovered from this stool sample?   

How did Maria acquire this infection   

Name two other symptoms associated with this parasite that people like Maria may experience.   

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