The passage of gastric contents to the duodenum may cause

A. True This is caused by the hormone secretin released from the duodenal mucosa.

B. True This postpones further gastric emptying.

C. True Due to the action of cholecystokinin released from the mucosal cells.

D. False The sphincter of Oddi must relax to allow bile to enter the gut.

E. True Pancreozymin stimulates the pancreas to secrete a scanty, enzyme rich juice.