The Digestive System and Basic Nutrition

The processing of food so that nutrients can be used by each cell is called:

• chewing

• digestion

• absorption

• nutrition

What is the long muscular tube that makes up the digestive system called?

• esophagus

• pharynx

• alimentary canal

• elementary canal

Which glands are responsible for producing a secretion that dissolves food and coats the food with mucus?

• digestive glands

• salivary glands

• spit glands

• gastric glands

What is another word for throat?

• larynx

• pharynx

• epiglottis

• trachea

What is the purpose of the epiglottis?

• It is a passageway for food.

• It is a flap that covers the trachea when food or water is swallowed.

• It receives food and water from the pharynx.

• It keeps the food from going backwards into the esophagus.

This ring of muscle fibers is located where the esophagus and stomach join.

• cardiac sphincter

• anus

• pyloric sphincter

• gastric sphincter

This medical term refers to the backward flow of stomach acid contents into the esophagus. It is commonly called "heartburn."

• Gastric reflux

• Gastric reflex

• esophagitis

• Reflexive disease

What is the anatomic term for the tiny projections, that are found in the small intestine, and where the absorption of the majority of the nutrients occurs?

• villi

• cilia

• capillaries

• mucosa

These organs are known as the Accessory Structures of the digestive system.

• liver, gallbladder and pancreas

• stomach, esophagus and pharynx

• liver, gallbladder and kidneys

• stomach, esophagus and anus

This organ is responsible for the production of bile, removal of poisons that have been absorbed in the small intestines, and production of heparin, which prevents the blood from clotting.

• liver

• pancreas

• gall bladder

• stomach