Exam 40: Digestion and Absorption

Glucose moves from the GI tract into the circulatory system by the process of:

The end product of carbohydrate digestion is:

The hydrophilic portion of lecithin is attracted to the interior fat of the micelle.

Enzymes can be named based on the substance on which they act.

Most enzymes are able to work on more than one substance.

Amino acids are the end products of protein digestion.

The blood surrounding the stomach would have a pH slightly higher than blood in other parts of the body.

Diarrhea is one of the leading causes of infant mortality in developing countries.

Gastrin, an enzyme that stimulates gastric secretions, is made by G-cells.

What are the functions of mechanical digestion?

The process of emulsification is important in the digestion of:

Mechanical digestion reduces the size of ingested food, which increases the surface area of the food making chemical digestion more efficient.

Amylases are found in saliva and in pancreatic juice.

Rotavirus can cause what life-threatening condition in infants?

Most enzymes in the body are intracellular.

All digestive enzymes are classified as extracellular hydrolases.

Although both peristalsis and segmentation require movement of the alimentary canal, only peristalsis moves food through the alimentary canal.

The digestion of triglycerides produces monoglycerides and phospholipids.

The nutrients absorbed by the lacteals enter the blood by being dumped into the subclavian veins.

Match each of the digestive juices and enzymes with its corresponding description. -Enzyme that works on milk sugars