23. The Digestive System

The gallbladder a. produces bile, b. is attached to the pancreas, c. stores and concentrates bile, d. produces secretin.

Bile release from the gallbladder into the duodenum occurs only under the stimulation of (a) cholecystokinin, (b) secretin, (c) gastrin, (d) enteropeptidase.

__________ circulation collects nutrient-rich blood from the GI tract and delivers it to the liver.

A branch of the hepatic portal vein, hepatic artery proper, and branch of the bile duct form (a) a liver lobule, (b) the sinusoids, (c) a portal triad, (d) the hepatic duct, (e) the pancreatic duct.

Explain why fatty stools result from the absence of bile or pancreatic juice.

Bile is stored and concentrated in the __________.

Which of the following is NOT a characteristic of the liver?

In order to prevent self-digestion of the pancreas, activation of pancreatic proteases occurs in the __________.