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10. Necator americanus can be differentiated from Ancyclostoma duodenale by:  

1. A 4-year-old boy attended day care 3 days per week. He was irritable, and his parents noticed that he had persistent perianal itching. A sticky paddle was pressed against the perianal region and sent to the laboratory for testing. The eggs microscopically observed would most likely have which one of the following morphologic features?

7. A larva is identified in a tissue sample that has 4 rows of cephalic hooks and is covered with transverse rows of spines. What is the most likely parasitic organism?

3. A short buccal capsule, large bulb on the esophagus, and prominent genital primordium are all characteristics of: 

30. Size is a criterion that is used to differentiate between many eggs.  Which pairs of eggs are the smallest by comparison? 

20. This particular parasite can be causes clinical disease that demonstrates as a cough, eosinophilia and respiratory abnormalities including expectoration of discolored sputum and chest radiographic abnormalities. It is contracted by ingesting raw or undercooked pickled crabs or crayfish. This Trematode is:

17. This Trematode is often referred to as the Chinese Liver Fluke and is ingested by humans in salted, dried, pickled, smoked or undercooked fish.  The defining characteristics of the ovum that lead to identification are:

4. A definitive diagnosis can be made in a Trichinella infection on the basis of which of the following findings?

The following are the reasons why we go to college EXCEPT:

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