Exam 39: Lower Digestive Tract

Describe the location, structure, and function of the pancreas.

In the wall of the small intestine, the longitudinal muscles are grouped into tape-like strips called haustra.

Ducts from two organs join to form the common bile duct. Name the organs and the ducts from each organ.

Explain the difference between the greater omentum and lesser omentum.

The duodenum, jejunum, and ileum each make up about one third of the length of the small intestine.

The hormone glucagon is produced by:

Hemorrhoids are enlargements of veins in the anal canal.

A barium enema study is used to detect and locate:

The mesentery and the transverse mesocolon are both projections of the peritoneum.

Surgical removal of the gallbladder is referred to as:

Glucagon and insulin assist the GI tract in the digestive process.

The normal nonpathogenic bacteria in the intestine produce important molecules such as vitamin K and biotin.

Which of the following is not a function of the pancreas?

Jaundice occurs when the pancreatic duct is blocked and the contents of the pancreas enter the blood.

In the pancreas, alpha cells produce insulin and beta cells produce glucagon.

Match each of the following structures with its corresponding description or location. -Organ that produces digestive enzymes, insulin, and glucagon

Bile is secreted by:

The greater omentum is a fatty tissue covering the anterior surface of the intestines.

The substances insulin and glucagon are both produced by the liver but have opposite effects on carbohydrate metabolism.

The fan-shaped projection of peritoneum that connects the small intestine to the posterior abdominal wall is the: