Measuring the enzyme chymotrypsin in feces, which is more resistant to degradation in the intestine and is a better choice than which of the following enzymes?
A) Elastin-1 B) Gastrin C) Trypsin D) Creatine kinase
Question 2
After concentration of stool, only an iodine wet preparation is examined because
A) saline interferes with the reagents used for concentration.
B) saline does not provide enough contrast for detection of parasites.
C) the parasites are dead and no longer exhibit motility.
D) saline distorts the parasites present.
