the teeth that are best adapted for biting off relatively large pieces of food are the
the root canal of the tooth contains
blood vessels and nerves
The salivary enzyme amylase functions to digest
The main part of the stomach is called
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 secretion of gastric gland
Cholecystokinin from the interstinal wall is stimulated by the presence of
protein and fat in the small intestine
the mechansim of swallowing involves
food being forced into the pharynx, involuntary reflexes moving food into the esophagus, peristaltic contractions moving food through the esophagus
the hormone called seccretin functions to
stimulate the release of pancreatic juice
which of the following is a protein-splitting enzyme found in a pancreatic juice?
the liver functions to
form glucose from noncarbohydrates, store vitamin D, destroy damaged blood cells
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 enzymes involved in protein digestion is that all are
secreted in an inactive form
which of the following is true in regard to bile?
none of these
Peristalsis occurs in the digestive tract
from pharynx to the anus
digestion of which of the following would be affeccted 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
gum and pulp
jaundice, which is characterized by a yellowish tinge to the tissue, is due to an increased blood concentration of