In contrast to diarrhea, constipation

In contrast to diarrhea, constipation
 
 A. results from reduced extraction of water from feces in the colon.
  B. results from quicker transit time through the colon.
  C. results in watery feces.
  D. results in hard, dry fecal matter, making elimination difficult.

Q. 2

Why is emulsification of fat so important for its digestion?

Q. 3

When a person with celiac disease consumes gluten, it can damage the absorptive surface of the small intestine. This can lead to
 
 A. poor absorption of nutrients.
  B. malnutrition.
  C. nutritional deficiencies.
  D. All of the above

Q. 4

What characteristic of phospholipids allows them to be such
  an important part of the cell membrane?

Q. 5

After chyme leaves the stomach and enters the duodenum, the duodenum is protected from the acidic chyme because
 
 A. bicarbonate secreted by the pancreas neutralizes the chyme.
  B. bile secreted by the gallbladder neutralizes the chyme.
  C. enzymes secreted in the duodenum degrade the acid.
  D. None of the above because the chyme is not terribly acidic when it leaves the stomach

Q. 6

Recall the role of insulin in carbohydrate metabolism.
  Draw parallels between the roles of insulin in lipid and
  carbohydrate metabolism.

Q. 7

Gallstones can interfere with the normal flow of bile and can cause a great deal of pain. Removing the gallbladder is one method to treat gallstones. What potential problem might arise if the gallbladder is removed?
 
 A. Absorption of fat-soluble nutrients could be impaired.
  B. Absorption of water-soluble nutrients could be impaired.
  C. Release of pancreatic secretions into the duodenum could be impaired.
  D. The duodenum could be damaged.