Exam 15: The Digestive System

A later stage of gum inflammation in which bacteria grow in pockets between the gums and the teeth and in which teeth may become loose is called ________.

Pepsinogen is converted to pepsin by the presence of what other substance?

The destruction of this organ would mean that you would no longer be able to absorb vitamin B₁₂ through the digestive system.

Most nutrient absorption occurs in the ________,a major organ of the digestive system.

If you took a new,strong antibiotic,which vitamin would you most likely need that you didn't need before?

A 60-year-old having frequent constipation runs a greater risk of this condition.

Chyme travels from the stomach to which specific structure?

________ is a hormone secreted by the cells in the stomach lining that functions to increase gastric juice release.

Food is sent along the GI tract by means of a wave-like process called ________.

If a person were unable to produce much of this substance,the gastric juices might destroy the stomach lining.

Your friend is trying to tell you that human teeth are not alive.You disagree.Why would you say that a tooth in an adult is alive?

If a gallstone were to block the bile duct,which type of food would become more difficult to digest?

This additive to municipal water supplies will reduce the rate of tooth decay.

Match each definition in the first column to the correct term in the second column. -An opening at one end of the gastrointestinal tract that functions in mechanical digestion and the breakdown of carbohydrates by secreting amylase.

Match each definition in the first column to the correct term in the second column. -Severe pain in the lower right abdomen along with fever and nausea is often a sign of an infection in this structure.

The stomach begins chemical digestion of which of these substances?

A hormone released in the small intestine that stimulates the pancreas to release digestive enzymes and the gallbladder to release bile is known as ________.

If you had a friend with a peptic ulcer,would you recommend that he or she take aspirin for the pain? Why or why not?