Exam 28: A: Anatomy of the Digestive System

The cheeks are formed in large part by the buccinator muscles.

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

The vermiform appendix is a wormlike projection extending from the cecum.

Kupffer cells in the liver produce enzymes that are able to detoxify toxins such as alcohol.

All the papillae on the tongue contain taste buds.

In the average adult,when full,the stomach can hold as much as 3.5 liters of food.

The stomach has three major divisions: the fundus,the body,and the pylorus.

There are three pairs of major salivary glands.

The tricuspids are the last of the permanent teeth to appear,usually erupting sometime after 17 years of age.

The diameter of the small intestine is about an inch and the length is about 12 feet.

The lumen of the gastrointestinal tract is considered to be outside the body.

One of the functions of the stomach is to kill pathogens that enter the body in food.

The falciform ligament in the liver divides it into equal right and left halves.

The hard palate is fashioned of muscle arranged in the shape of an arch.

The salivary glands produce about 500 ml of saliva a day.

The group of blood vessels running through the submucosal layer is called the Meissner plexus.

The parietal cells secrete hydrochloric acid.

The chief cells,located in the stomach,secrete hydrochloric acid and are thought to produce intrinsic factor.

The stomach produces a hormone that increases appetite.

The point at which the small intestine changes from the jejunum to the ileum is marked by a change in the diameter of the intestine.