Exam 4: Human Digestion and Absorption

A main cause of intestinal gas formation is ________.

Which of the following dietary or nutritional factors may worsen gastroesophageal reflux disease?

An example of a probiotic is ________.

An example of a brush border enzyme is ________.

The lifespan of absorptive cells in the villi is approximately ________.

A circular muscle that can open and close and acts to regulate the flow of materials in one direction is referred to as ________.

A coordinated muscular contraction that propels food along the GI tract is called ________.

The 4 primary types of tissue are ________.

The ______ layer of the GI tract wall contains glands,blood vessels,and nerves,whereas the ________ layer is the outermost layer that protects the GI tract.

Which substances can be absorbed in the small intestine?

The salivary glands produce about ___ cup(s)of saliva each day.Saliva is a watery fluid that contains ________,___________,and ___________.

In the process of swallowing,food cannot normally enter the trachea because the ________.

Probiotics may be most useful in treating ________.

The sphincter that allows chyme to pass into the small intestine is known as the ________.

The gastric secretion pepsin is necessary for ________.

Most of the digestive processes occur in the ________.

In what order does food pass through the organs of the GI tract?

A good way to treat mild constipation is to consume 25 to 35 grams of fiber each day.

The taste sensation umami can best be described as ________.

The stomach can absorb ________.