organ that secretes the most potent digestive enzymes
organ that secretes bile
the organ that secretes hydrochloric acid and pepsinogen
most digestion and absorption takes place in this part of the small intestine
the stomach mashes food into a paste called _____________
the primary autonomic nerve that supplies the GI tract
food tube; from pharynx to stomach
ascending, transverse, descending, sigmoid
the appendix attaches to this structure
valve between the small intestine and large intestine
gastric reflux involves this valve
sucrase, lactase, maltase
mechanically breaks a large fat globule into many smaller fat globules
the enzyme that splits fats into fatty acids and glycerol
trypsinogen and chymotrypsinogen
responsible for the gastric pH
a deficiency causes pernicious anemia
hormone secreted by the walls of the duodenum; stimulates the pancreas to secrete potent digestive enzymes
hormone secreted by the walls of the duodenum; stimulates the pancreas to secrete a bicarbonate-rich secretion
hormone secreted by the stomach; causes the secretion of HCl
enzymes that digest carbohydrates/starches to the disaccharide stage
Which of the following is not true of the salivary glands?
secrete the most important of the digestive enzymes
is a hollow tube that carries food from the pharynx to the stomach.
delivers chyme to the duodenum at the proper rate.
With which word is deglutition most associated?
Paralytic ileus is the
slowing or cessation of peristalsis.
Which of the following best describes the omentum and the mesentery?
Which of the following is not a function of the stomach?
synthesis of plasma proteins especially albumin
Which of the following is not descriptive of bile?
classified as a lipase
Lipases, proteases, and amylases are
Fat digestion is accomplished by
bile and lipase.
contracts in response to cholecystokinin.
Which of the following is not a function of the liver?
secretes cholecystokinin and secretin
Which of the following best describes emulsification?
A large fat globule is mechanically broken into smaller fat globules.
Which of the following organs or structures is essential to life (can't live without it)?
secretes the most potent digestive enzymes.
Which of the following is least related to the appendix?
regulates the rate at which the contents of the ilium are delivered to the cecum
The duodenum is most concerned with
digestion and absorption.
The common bile duct
empties bile into the duodenum.
Relaxation of the sphincter of Oddi allows
bile to enter the duodenum from the common bile duct.
An amylase and disaccharidase both
The canaliculi, hepatic duct, and the cystic duct
The digestive end products are absorbed into the
proteolytic, pancreatic, digestive
Which of the following is most related to the small intestine?
duodenum, jejunum, and ileum
This chemical aid unravels dietary protein and decreases bacteria in the stomach.
Which of the following is (are) true of cholecystokinin (CCK)?
secreted by the walls of the duodenum in response to the presence of fat, stimulates the gallbladder to contract, thereby delivering bile to the duodenum, also stimulates the pancreas to secrete digestive enzymes
The vagus nerve
is the most important nerve of the digestive tract.
Which drug action increases gut motility and is therefore used in the treatment of paralytic ileus?
activates muscarinic receptors
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