Bicarbonate Is

Multiple Choice

Bicarbonate is:

A) secreted into the lumen by gastric epithelial cells and into the interstitial fluid by pancreatic duct cells.
B) secreted into the lumen by pancreatic acinar cells,and into the interstitium by pancreatic duct cells.
C) secreted into the lumen by pancreatic duct cells,and into the interstitium by pancreatic acinar cells.
D) secreted into the interstitial fluid by gastric epithelial cells,and into the lumen by pancreatic duct cells.
E) secreted into the lumen by both gastric epithelial cells and pancreatic duct cells.