Exam 23: The Digestive System

In the stomach, the undifferentiated epithelial stem cells lie near the junction of the gastric pits and gastric glands. In the intestine, the corresponding stem cells occur

The layer of the digestive tube that contains abundant elastin plus blood vessels, lymphoid nodules, and deep glands is the

The pancreas contains all of the following regions except a

Which of the following are the only mucosal folds that do not flatten out at all when the organ stretches?

Which of the following structures neither enters nor leaves the porta hepatis?

A gallstone lodged in the cystic duct may also cause blockage of the pancreas.

The porta hepatis contains the hepatic arteries, hepatic ducts, and ________.

The lamina propria and submucosa of the stomach both derive from which embryonic layer?

Of the basic digestive processes, the one in which nutrients enter capillaries is called

Infoldings of the sarcolemma of smooth muscle fibers are called

Which of the following is true of the pectinate line of the anal canal?

Use the diagram above to answer the following questions. -Identify the letter that indicates the fundus of the stomach.

Use the diagram above to answer the following questions. -Identify the letter indicating the duct formed by the union of the right and left hepatic ducts.

Smooth muscle fibers differ from skeletal muscle in that they do not contain contractile myofilaments.

Layer of the GI tract responsible for segmentation.

Use the diagram above to answer the following questions. -Identify the letter that indicates the root canal.

________ is a condition in which inflammation of the intestines causes deep ulcers and fissures.

The lining epithelium of the developing digestive tract (pharynx through anal canal) comes from

The vermiform appendix is suspended from the cecum.

Which of the following applies to the small intestine?