Exam 39: Lower Digestive Tract

Bile is secreted by:

There is no clear line of demarcation between the ileum and the jejunum.

The proper anatomical order for the divisions of the colon is:

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

Both cholecystectomy and ultrasound lithotripsy are methods of eliminating gallstones.

The brush border of the small intestine is formed by about 1700 ultra-fine microvilli per cell.

The pancreas is located in the curve of the small intestine where the ileum joins the jejunum.

The sigmoid colon gets its name from its shape.

Which of the following is not a lobe of the liver?

Goblet cells are mucus-secreting cells found in the crypts of the small intestine.

Briefly explain how the lining of the small intestine can be an example of fractal geometry.

Liver cells detoxify substances. Explain what happens to the substances in the process of detoxification.

Match each of the following structures with its corresponding description or location. -Part of the large intestine that lies in a vertical position on the right side of the abdomen and ends at the hepatic flexure

The right angle formed by the transverse colon and the descending colon is called the:

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

Match each of the following structures with its corresponding description or location. -A large, fan-shaped reflection of the peritoneum

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

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

The formation of ulcers has been linked to the bacterium Streptococcus pylori.

The Paneth cells of the small intestine produce enzymes, but they are used for protection rather than digestion.