1. Microscopic screening of a stool from a patient exhibiting prolonged diarrhea shows increased fecal neutrophils and normal qualitative fecal fats and meat fibers.
a. What type of diarrhea do these results suggest?
b. Name an additional test that could provide more diagnostic information.
c. Name one probable result for this test and one improbable result.
d. If the test for fecal neutrophils were negative and the fecal fat concentration increased, what type of diarrhea would be suggested?