Loperamide (Imodium)inhibits Peristalsis by a Direct Effect on the Circular

Loperamide (Imodium) inhibits peristalsis by a direct effect on the circular and longitudinal muscles of the intestinal wall.It also reduces fecal volume,increases viscosity and bulk,and diminishes the loss of fluid and electrolytes.However,its great advantage as an antidiarrheal over the old use of opiates is that it:

A) Is cheap to produce.
B) Has no side effects attributed to taking opiates,such as euphoria and addiction.
C) Makes people forget the discomfort of diarrhea.
D) Is effective in very small,one-time doses.