Chapter 17- Digestive System

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the liver

forms glucose from noncarbohydrates.

One of the major functions of the large intestine is to

absorb ingested water

Pancreatic acinar cells secrete pancreatic juice.

TRUE

Peristalsis mixes food in small segments of the alimentary canal with digestive enzymes.

FALSE

* the ______ refers to the peritoneum that is responsible for connecting the small intestines to the posterior abdominal wall.

mesentery

*the mesentery also contains long ______ and _____ branching out directly out of the center of the mesentery.

arteries and veins

*the mesentery then folds around the small intestine to enclose it as the ______ peritoneum.

visceral

*the mesentery is attatched to the back of the abd wall and the intestines are free to move against on another without friction.

back

SEPERATE

SEPERATE

*The tongue makes the food into a _____.

bolus

*the tongue pushes the food into the ______.

pharynx

* a reflux that occurs that closes the _____, nasal, and laryngeal openings.

ORAL

* the tactile receptors in the ______ trigger peristalisis

esophogus

* throughout the digestive tube , _______ continues.

peristalsis

Bile salts function like detergents in that they ___________ fat globules

emulsify

Acute pancreatitis is often caused by the conversion of

trypsinogen to trypsin.

The disorder of the large intestine producing a "cobblestone" effect within the tissues of the colon is

Chron's disease

Which of the following is a function of the large intestine?

Absorption of water and electrolytes

Enlarged blood vessels of the anal columns is called

hemorrhoids

The root canal of a tooth contains

BV & Nerves

The parotid gland differs from the submandibular and sublingual glands in that it secretes a clear fluid that is rich in amylase.

TRUE

______ is a protein-splitting enzyme in pancreatic juice.

trypsin

Bile salts function as digestive enzymes to break down fatty acids.

FALSE

Cholecystokinin, a hormone released from intestinal mucosa as a result of stimulation by the presence of fats in the small intestine, stimulates the gallbladder to contract and release bile into the duodenum

TRUE

The canaliculi in the liver transport ___________ through the ductules.

bile

Feces contain mucus, electrolytes, bacteria, or undigestive food.

all of the above

The _________ canal includes the mouth, pharynx, esophagus, stomach, small intestine, large intestine, and anal canal.

alimentary

The esophagus passes through an opening in the diaphragm called the esophageal _______.

hiatus

______ ions help to regulate the pH of saliva.

bicarbonate

Bile salts aid the absorption of _________ vitamins.

fat soluble

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