Flashcards in Chapter 15 Deck (35):
The correct sequence for the layers within the walls of the alimentary canal from inside to outside is the
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 enzyme amylase functions to digest
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?
The parietal cells of gastric glands secrete
Gastrin, which is secreted by stomach cells, functions to
increase the secretions of the gastric glands.
Cholecystokinin from the intestinal wall is stimulated by the presence of
protein and fat in the small intestine.
emulsification by bile
2, 4, 3, 1, 5
The hormone called secretin functions to
stimulate the release of pancreatic juice.
Which of the following is a protein-splitting enzyme found in pancreatic juice?
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 defecation reflex, the
diaphragm is lowered.
A characteristic shared by all enzymes involved in protein digestion is that all are
secreted in an INACTIVE FORM.
Peristalsis occurs in the digestive tract
from the pharynx to the anus.
Digestion of which of the following would be affected the most if the liver were severely damaged?
Because of their location, swollen palatine tonsils may interfere with
BOTH breathing and swallowing.
The loss of teeth is most commonly associated with diseases of the
gums and dental pulp.
A hiatal hernia is due to a weakness of the
Heartburn is usually caused by the effects of gastric juice on the
Gastric and duodenal ulcers are usually caused by the action of
The condition called acute pancreatitis is often caused by the conversion of
1. trypsinogen to 2. trypsin
Jaundice, which is characterized by a yellowish tinge to the tissues, is due to an increased blood concentration of
Gallstones are usually composed of
The greater omentum is composed of the
The epithelial cells that form the inner lining of the small intestine
are replaced every few days.
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
The effects of sympathetic nerve impulses on the alimentary canal are _____ and parasympathetic impulses are _____ .
inhibitory, or slow down activity;
stimulative, or cause increases in activity
Which layer of the alimentary canal is responsible for absorption of nutrients?
The bile canals of the liver unite to form the
Gallstones may form if
bile is concentrated excessively.