Exam 18: The Digestive System

Exocrine secretions of the digestive system include enzymes and bicarbonate.

In which of the following areas does carbohydrate digestion occur?

"Traveler's diarrhea" results when

The appendix is a short,thin out-pouching of the ileum.

The mucosa of the esophagus is

As bile is produced,it drains into

Damage to which tunic of the GI tract would directly affect Auerbach's plexus?

Place the tunics of the GI tract wall in the correct order from superficial to deep.

Most of the glucose is absorbed in the epithelial cells of the small intestine by

Protein digestion would decrease if lactase were not present on the brush border.

Which of the following is NOT a section of the small intestine?

Secretion of enterogasterone is stimulated by _____ in the chyme.

Long folds of the stomach's inner surface are called

Chewing of food is

What structure keeps food from exitting from the nose during swallowing?

Trypsin is activated by the enzyme

Increased production of cytochrome P450 enzyme to break down hormones and drugs is mediated through the stimulation of what kind of receptor?

Inhibition of exocrine pancreatic secretions results in

H⁺/K⁺ ATPase pumps transport H⁺ against its concentration gradient out of the lumen of the stomach while transporting K⁺ in the opposite direction.

The ______ stimulates increased gastrin activity and increased movement of chyme into the duodenum.