When Amebiasis Is Strongly Indicated but No Parasitic Forms Are

question 28

Multiple Choice

When amebiasis is strongly indicated but no parasitic forms are detected from any of three submitted fecal samples, the next step might be

• A)to diagnose based on clinical findings and begin treatment.
• B)to collect material obtained from sigmoidoscopy and examine for parasites.
• C)to collect another series of three fecal samples and submit for parasitic examination.
• D)to collect duodenal drainage and examine for parasites.

---

Definitions:

Disease Spread

The transmission of illnesses through populations via various vectors, including person-to-person contact, animals, or the environment.

Adams-Onís Treaty

An 1819 agreement between the United States and Spain that ceded Florida to the U.S. and defined the boundary between the U.S. and New Spain.

Louisiana Purchase

The Louisiana Purchase was a land deal between the United States and France in 1803, wherein the U.S. acquired approximately 827,000 square miles of land west of the Mississippi River.

49th Parallel

denotes the approximate boundary line between the United States and Canada, established in parts by the Oregon Treaty of 1846.