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Terms in this set (59)
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 teeth that are best adapted for biting off relatively large pieces of food are the...
the root canal of a tooth contains....
blood vessels and nerves
the salivary enxyme amylase functions to digest
the main part of the stomach is the...
the parietal cells of gastric glands secrete...
Gastrin which is secreted by stomach cells, functions to...
increase secretions of gastric glands
cholecyctokinin from the intestinal wall is stimulated by the presence of...
protein and fat in small intestine
The hormone called secretin functions to...
stimulate release of pancreatic juice
which of the following is a protein splitting enxyme found in pancreatic juice..
the liver functions to...
A) form glucose from noncarbohydrates, B) store vitamin D C) destroy damaged red blood cells D) all the above
What constituent of bile has a digestive function?
one of the major functions of the large intestine is to...
reabsorb water from chyme
During the defacation reflex, the...
diaphragm is lowered
A characteristic shared by all enxymes involved in protein digestion is that all are...
secreted in an inactive form
which of the following is true in regard to bile?
A) the production of bile is stimulated by cholecystokinin B) the release of bile into the duodenum is stimulated by secretin C) it contains concentrated enzymes involved in lipid digestion D) none of these is true
peristalsis occurs in the digestive tract...
from pharynx to anus
digestion of which of the following would be affected the most if the liver were severely damaged?
A)carbs B)proteins C)lipids D)all of these would be affected the same
Because of their location, swollen palatine tonsils may interfere with...
breathing and swallowing
Heartburn is usually caused by the effects of gastric juice on the...
the effects of sympathetic nerve impulses on the alimentary canal are______ and parasympathetic impulses are________.
inhibitory (slow down activity)
stimulative (increase activity)
the mechanism of swallowing involves... a) food being forced into pharynx b) involuntary reflexes moving food into esophagus C) peristaltic contractions moving food through esophagus d) all
the bile canals of the liver unite to form the...
Gallstones may form if...
bile is concentrated excessively
Which of the following i s afunction of the large intestine? A) absorption of water and electrolytes B) digestion of amino acids C) absorption of food molecules D) synthesis of cholesterol
Secondary teeth of the human include the following( use 1/2 maxilla for order and numbers)
one incisor, one lateral incisor, one canine, two premolars, and three molars
the salivary glands located near the masseter muscle and responsible for secreting a serous saliva rich in amylase are called...
the structure which serves as a valve between stomach and small intestine is called the...
INtrinsic factor plays a role in the absorption of which of the following from small intestine?
The three enzymes secreted by the pancreas which aid in protein digestion include...
carboxypeptidase, trypsin, and chympotrypsin
the portion of intestine which adjoins stomach is the...
the structure which controls movement of intestinal contents from small intestine to large intestine is called...
the color of feces is due to_____ that have been altered by bacterial action
The area located between the lips and gums is called the...
the vomiting center is locating in what region of the brain...
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? A) carbs B) lipids C) proteins D) none
the loss of teeth is most commonly associated with diseases of the...
gums and dental pulp
the hiatal hernia is due to a weakness of the...
the condition called acute pancreatitis is often caused by conversion of...
trypsinogen to trypsin
Gallstones are usually composed of...
Jaundice which is characterized by yellowish tint to the tissues id due to an increased blood concentration of...
The greater omentum is composed of...
Digestive functions of saliva include... A) digesting starch into disaccharides B) acting as a lubricant during swallowing C) dissolving food chemicals D) all the above
When Nutrients are digested but are not taken in by the intestinal tissues the condition is called...
If the blood vessels of the anal columns become enlarged the condition is called...
The valsalva maneuver is normally used to aid..
Pancreatic digestive secretions are regulated by... A) parasympathetic impulses, B) secretin, C) Cholecystokin, D) All the above
T or F Chamber of the mouth between the tongue and the palate is called the vestibule.
T or F A set of primary teeth consists of 20 teeth while a set of secondary teeth consists of 32 teeth.
T or F Fatty foods remain in the stomach longer than protein or carbohydrate foods.
t or f the esophagus passes through an opening in the diaphragm called the esophageal hiatus.
T or F receptive relaxation is related to peristalsis in that when peristalsis occurs, the muscular wall just behind the contracted ring relaxes.
T or F Esophagus provides a passageway for substances from the larynx to the bronchi.
T or F cholecystokinin stimulates the gallbladder to contract and release bile into the duodenum
T or F food passing from stomach through small intestine would first pass into the Jejunum, then the ileum, and lastly the duodenum
T or F the sub lingual glands differ from sub mandibular and parotid glands in that they secrete a clear fluid rich in amylase.
T or F the organs of the alimentary canal are innervated by sympathetic as well as by parasympathetic nerve fibers
t or f The pyloric sphincter serves as a valve that controls movement of food between stomach and esophagus
t or f the enterogastric reflex begins in stomach and ends in small intestine
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