Exam 24: The Digestive System

________ are teeth with flattened crowns and prominent ridges that are adapted for crushing and grinding.

A structure that helps prevent food from entering the pharynx prematurely is the

An enzyme that digests proteins into peptides is

The oral cavity performs sensory ________ prior to swallowing.

In most cases,the mumps is a viral infection of the

Movements unique to the large intestine are ________ movements.

During the cephalic phase of gastric secretion,

Which layer of the digestive tract directly underlies the epithelium?

In response to the hormone secretin,the pancreas secretes a fluid

There are normally a total of ________ primary teeth.

The ________ supports all but 25 cm of the small intestine and provides stability and limited movement.

Figure 24-1 The Stomach (dissected) Use Figure 24-1 to answer the following question: -What is the function of the structure labeled "6"?

Figure 24-2 The Wall of the Small Intestine Use Figure 24-2 to answer the following question: -What is the layer labeled "2"?

Put the following layers of the digestive tract wall in order from the lumen to the deepest layer: 1. lamina propria 4. digestive (mucous) epithelium 2) muscularis externa 5. serosa 3) submucosa 6. muscularis mucosae

The part of the stomach that functions as a mixing chamber for food and secretions is the

Figure 24-1 The Stomach (dissected) Use Figure 24-1 to answer the following question: -Identify the structure labeled "10."

A drug that blocks the action of the hormone cholecystokinin would affect

The defecation reflex involves

The layer of loose connective tissue that directly supports the digestive epithelium is the

The esophagus has several variations from the standard plan of the gut tube.These include