Exam 29: B: Physiology of the Digestive System

Pancreatic juice contains all of the following substances except:

Which blood vessel carries absorbed food from the GI tract to the liver?

Bile contains all of the following substances except:

Which of the following is not a barrier to the absorption of glucose?

What are the functions of mechanical digestion?

Bicarbonates are useful in the GI tract to:

Saliva contains all of the following substances except:

Match each of the digestive juices and enzymes with its corresponding description. -substance that emulsifies fat

Which statement best explains the process of absorption?

Pancreatic juice contains all of the following substances except:

Which of the following is not true of segmentation?

Match each structure with its function, description, or the enzyme it produces. -structure in which villi are located

The major final product that results from the digestion of carbohydrates is:

The hormone thought to be a messenger causing release of digestive enzymes from the intestinal mucosa is:

Match each phase of gastric secretion with its corresponding statement or definition. -phase that is controlled by the entrance of acidic chyme into the duodenum

Which of the following structures is not used to block an opening during swallowing?

Match each structure with its function, description, or the enzyme it produces. -location of lipase production that is ineffective because the ingested lipids are still too large

Chylomicrons are formed to facilitate the transport of:

Jeff was a successful country music star,but he worked too hard and was under great stress.His physician cautioned him that if he did not alter his lifestyle,he would be subject to hyperacidity.What could be the resulting condition of hyperacidity? Explain how the hyperacidity develops.

Which of the following is a true statement?