NDFS Ch4

What is lumen?

A hollow space through which food and fluid pass.

The two major components of the digestive system are the_____

Accessory organs, GI tract

The extent to which the digestive tract absorbs a nutrient and how well the body uses it is termed____

Bioavailability

swollen veins in the anal canal are called?

Hemorrhoids

What are causes of diarrhea

More water than normal is secreted into the GI tract The GI tract absorbs less water than normal

Deep, dull upper abdominal pain and a feeling of fullness that occurs about 2 hours after eating are symptoms of a ______ _______

Peptic ulcer

What is the function of the liver?

Produce and secrete bile

What is the function of salivary glands?

Produce and secrete salivary amylase

What is the function of the pancreas?

Produce and secrete the majority of digestive enzymes

What is the function of the gallbladder?

Release bile into duodenum

In casas of______, the inflammatory process causes ulcers to form in the mucosa of the colon and rectum.

Ulcerative colitis

The______ uses cholesterol to make bile.

liver

The movement of a nutrient from the higher concentration (i.e. lumen) to where it is less concentrated (i.e. absorptive cells) is called____

simple diffusion

The mucosa of the small intestine is highly folded and covered by tiny, fingerlike projections are called_____

villi