Nutrition 300 ch. 3 quiz

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The ____ is the smallest living functional unit in an organism.

cell

Treatment of irritable bowel syndrome usually includes making dietary changes and

learning ways to manage stress effectively.

The _____ is an accessory organ of the digestive system.

liver

The process of digesting food begins in the

mouth.

The brain and spinal cord are structures of the ____ system.

nervous

Which of the following physiological changes is a result of catabolic chemical reactions?

All of these are correct.

Which best describes "Digestion"?

Breaking food down into smaller and smaller parts until they are small enough to enter the bloodstream.

Which of the following conditions is characterized by inflammation and swelling of the intestinal tract?

Crohn's disease

Which of the following structures normally prevents swallowed food from entering the larynx and trachea?

Epiglottis

Blood and blood vessels are primary components of the _____ system.

None of these is correct.

Which best describes "Absorption" in the small intestine?

The movement of nutrient molecules from the Gastro Intestinal Tract into the blood or lymph

Antonio has severe chronic gastroesophageal reflux disease (GERD). To reduce his likelihood of developing heartburn, his physician recommended that he

avoid overeating during meals.

The primary function of the cardiovascular system is

circulation of blood throughout the body.

The lining of the small intestine is covered with _____, tiny, finger-like structures that absorb nutrients from food.

villi


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