Chapter 15

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alimentary canal

The correct sequence for the layers within the wall of the alimentary canal from inside to outside is (Mucous membrane, submucosa, muscular layer, serous layer )

The organs of the alimentary canal are innervated by sympathetic as well as by parasympathetic nerve fibers. (TRUE)

large intestine

One of the major functions of the large intestine is to (Reabsorb water from chyme)

Bile

Bile is composed of HCl, pepsin, mucus and intrinsic factor (FALSE)

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

What constituent of bile has a digestive function? (Bile salts)

Jaundice

Jaundice, which is characterized by a yellowish tinge to the tissues, is due to an increased blood concentration of (Bile pigments)

secretin

The hormone called secretin functions to
(Stimulate the release of pancreatic fluid)

Cholecystokinin

Cholecystokinin, a hormone released from intestinal mucosa by the presence of fats, stimulates the gallbladder to contract and release bile into the duodenum. (TRUE)

Cholecystokinin secretion from the intestinal wall is stimulated by the presence of (Fat in the small intestine)

The gallbladder

The gallbladder is connected to the common bile duct by the hepatic duct. (FALSE)

teeth

Loss of teeth is most commonly associated with diseases of the (Dental pulp and gums)

The teeth that are best adapted for biting off relatively large pieces of food are the (Incisiors)

Microorganisms promote the development of dental cavities by utilizing carbohydrates and producing by-products that are (Acidic)

American Heart Association

The American Heart Association recommends that the percentage of calories in a person's diet derived from fats should not exceed (30%)

amino acid molecules

Before portions of amino acid molecules can enter the citric acid cycle, they must undergo __(deamination)___.

epithelial cells

The epithelial cells that form the inner lining of the small intestine (Are replaced every few days)

Gallstones

Gallstones are usually composed of (Cholesterol)

chyme

The movement of chyme through the small intestine is increased by parasympathetic impulses and is inhibited by sympathetic impulses. (TRUE)

liver

The liver functions to (All of these)

Digestion of which of the following would be affected the most if the liver were severely damaged? (lipids)

Plant proteins

Plant proteins typically contain less than adequate amounts of (Essential amino acids)

palatine tonsils

Because of their location, swollen palatine tonsils may interfere with (Both breathing and swallowing)

defecation reflex

During the defecation reflex, the (Diaphragm is lowered)

greater omentum

The greater omentum is composed of the
(Peritoneal membrane)

intestinal tissues

When nutrients are digested but are not taken in by the intestinal tissues, the condition is called (Malabsorbtion)

amylase

The salivary enzyme amylase functions to digest (Carbohydrates)

Peristalsis

Peristalsis is defined as a mixing movement that results in food in small segments of the alimentary canal being mixed with digestive enzymes. (FALSE)

Peristalsis occurs in the digestive tract
(From the pharynx to the anus)

hiatal hernia

A hiatal hernia is due to a weakness of the (Diaphragm )

stomach

The main part of the stomach is called the
(NONE OF THESE)

lactose intolerance

The condition called lactose intolerance is caused by (Deficiency of lactase)

gastric ulcers

A relatively new treatment in the management of gastric ulcers is a drug that inhibits the production of HCl in the stomach. If a person took this medication for a long period, the digestion of which of the following would be affected the most? (Proteins )

Gastrin

Gastrin, which is secreted by stomach cells, functions to (Increase the secretions of the gastric glands)

B hepatitis

Type B hepatitis can be transmitted by means of (All of these)

Fat molecules

Fat molecules with longer chains of carbon atoms tend to be transported away from the intestine by lymph. (TRUE)

pancreatic juice

Which of the following is a protein-splitting enzyme found in pancreatic juice? (Trypsin)

gallbladder

The gallbladder is connected to the common bile duct by the hepatic duct. (FALSE)

acute pancreatitis

The condition called acute pancreatitis is often caused by the conversion of
????Trypsinogen to trypsin ????

greater omentum

The greater omentum is composed of the (Peritoneal membrane)

secretin

The hormone called secretin functions to (Stimulate the release of pancreatic fluid)

cecum

The cecum is located at the inferior end of the descending colon. (FALSE)

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