Exam 3: Digestion, Absorption, and Transport

In the GI tract, the ____ secrete mucus.

Dietary fiber ____. ​

Water-soluble nutrients are transported from intestinal epithelial cells to the ____ via the ____. ​

What is the body's most metabolically active organ? ​

Which structure conducts lymph into the vascular system?

Which substance cannot be digested by humans but instead stimulates intestinal muscle contractions? ​

When alcohol and barbiturates are ingested, they are absorbed from the gastrointestinal tract and transported immediately to the ____.

Describe the basic process of taste sensation.

In the colon, ____ is/are absorbed and ____ is produced from the fermentation of fibers. ​

Describe the similarities and differences in fluid and nutrient losses associated with vomiting and diarrhea.

Discuss the validity of "food combining" to enhance digestion and absorption.

The passageway leading from the mouth to the esophagus is called the ____. ​

A person on a low-fiber diet is at increased risk for experiencing elevated rectal vein pressure that can lead to the formation of ____.

Approximately how many different species and subspecies of bacteria live in a healthy GI tract? ​

Ingestion of which nutrients is most associated with increased production of intestinal gas? ​

Which structure prevents the entrance of food into the trachea? ​

Over-the-counter antacids are used to treat ____.

What is the primary function of the rectum?

Microorganisms in food (e.g., yogurt)that are viable when consumed and promote healthful changes in the human microbiome are known as ____. ​

Common causes of gastroesophageal reflux include ____.