Exam 38: Upper Digestive Tract

The hard palate consists of portions of:

The upper esophageal sphincter is called the cardiac sphincter because it is just posterior to the heart.

Mastication is another word for chewing.

The pyloric sphincter is located in the fundus portion of the stomach.

The alimentary canal has two openings to the exterior of the body.

Meissner plexus is found in which layer of the GI wall?

The contents of the stomach are emptied into the:

The stomach produces a hormone that increases appetite.

Name the secretory cells of the stomach wall and describe the secretions from each.

Food enters the oropharynx by passing through the fauces.

Match each of the following structures with its corresponding description or location. -collapsible muscular tube that carries food from the pharynx to the stomach

The sublingual salivary glands can have as many as 20 ducts draining their secretions into the mouth.

The walls of the stomach and the small intestine have three layers of muscle tissue.

Match each of the following structures with its corresponding location or description. -Outermost GI tract layer that is actually the visceral peritoneum

Most of the stomach lies to the left of the midline, below the diaphragm, and in the abdominal cavity.

Briefly explain the role of exocrine glands within the GI tract.

List the functions of the stomach.

There are normally 20 deciduous teeth, also known as baby teeth.

Digestion must occur so food can pass through the wall of the alimentary canal.

The muscularis layer of the wall of the GI tract consists of a single layer of circular muscle.