Nutrition ch. 3 terms.txt

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Cells lining the digestive tract replace themselves every

3 days.
The primary organ of digestion and absorption is the

small intestine.
Which of the following is not one of the major storage systems which store and release nutrients to meet the cells' needs between meals?

pancreas
One of the stomach's main functions is part of the digestion of what nutrient?

protein
Nutrients are delivered from the intestines through the circulatory system to the cells by

transport through the blood to the liver for chemical altering to make them better suited for use by the tissues.
The digestive juices in the small intestine include:

pancreatic juice which neutralizes stomach acids reaching the small intestine.
As the villi in the small intestine are exposed to nutrients

they will preferentially absorb a greater percentage of deficient nutrients.
What structure prevents food from entering the trachea when you swallow?

epiglottis
In what organ does the digestion process begin?

mouth
Which of the following is a description of chyme?

A semiliquid mass of partially digested food released by the stomach into the small intestine
Which of the following is a feature of peristalsis?

It consists of wavelike muscular contractions resulting from alternate tightening and relaxing of circular muscles and longitudinal muscles
Which of the following is a function of sphincter muscles?

Control the passage of food through the GI tract
What substance protects the stomach lining from damage due to digestive juices?

mucus
What is the function of bile?

emmulsifies fats
When the pancreas detects a high concentration of the blood's sugar, glucose, it releases

insulin
When consumed on a regular basis, which of the following foods promotes healthful changes of the microflora of the GI tract?

yogurt
A bolus is conducted past the diaphragm through the

esophagus
Immediately after absorption, what circulatory system carries the fat-soluble vitamins and large fats?

lymphatic
Among the cells' most basic needs are _____ and the oxygen with which to burn it.

energy
What is mastication?

the act of chewing

Author

jlue93

207696

Card Set

Nutrition ch. 3 terms.txt

Description

tatat

Updated

2013-03-17T00:09:15Z

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