Exam 38: Upper Digestive Tract

An overly full stomach can push against the small intestine and obstruct the movement of food.

The pancreas is a main organ of the digestive system.

The sublingual glands are the smallest of the major salivary glands.

The mucosa is made up of three layers: the mucous epithelium, the lamina propria, and the muscularis mucosae.

The submucosal plexus is a group of parasympathetic nerves found in the submucosa.

The parotid salivary gland drains into the mouth through the parotid (Stensen) ducts.

Explain why soluble drugs can be absorbed rapidly if placed under the tongue.

The greatest proportion of the tooth shell consists of:

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

Match each of the following structures with its corresponding location or description. -Smallest of the salivary glands

The intrinsic muscles of the tongue, by definition, have their origin and insertion in the tongue.

In the stomach, hydrochloric acid is secreted by the:

Heartburn is often caused by acid reflux. Which of the following might aggravate the reflux?

The hard palate is composed of two maxillae: the ethmoid and sphenoid bone.

Both the chemical composition and the physical state need modification so food can be absorbed.

The walls of the GI tract are composed of ____ layers of tissue.

One of the functions of the intrinsic factor of the stomach is to protect vitamin A from damage.

Which of the following is not a main part of the tooth?

Dentin comes in direct contact with what substance above the gum line?

The hard palate of the mouth consists of two maxillae and two palatine bones.