Create an account
The digestive system functions to _____ food into particles small enough to be _____.
The process by which end products of digestion move across the wall of the GI tract and into the blood is known as _____.
Blood vessels, nerves, glands and lymphatics
What 4 structures are contained within the submucosal layer of the digestive tract?
This layer of the digestive tract consists of inner circular and outer longitudinal layers with autonomic nerve fibers in between.
Mucosa, submucosa, muscle layer and serosa
List in order, from innermost to outermost, the layers of the digestive tract.
anchor digestive organs, transmits vessels and nerves to organs, restricts spread of abdominal infections
List 3 functions of the Periotoneal membrane
Uvula and epiglottis
Food does not usually enter the nasal or respiratory tract due to the action of the _____ and the _____.
The esophagus has _____ muscle near the top which evolves into _____ muscle near the bottom.
The pharyngoesophageal sphincter is located near the _____ of the esophagus and the gastroesophageal sphincter is located near the _____.
GERD (Gastroesophageal reflux disease)
_____ is a pathology caused by a weakening of the gastroesophageal sphincter muscle tone.
True or False: the esophagus is supplied by nerves called the esophageal plexus and small capillaries that have the potential to rupture and cause severe bleeding.
This pathology is often a symptom of a larger issue such as GERD and may include a burning feeling.
Weight gain, weakened esophageal sphincter muscle and/or an overproduction of acid
What 3 things might cause heartburn?
Mucus cells, chief cells and parietal cells
Which three cells are found within the glands of the stomach?
The mucus produced within the stomach is much thinner and coats the entire inside of the stomach offering protection from acids.
One main acid found within the stomach creates a very low pH level and is known as _____.
This substance is secreted by the parietal cells and aids in the absorption of vitamin B12.
A narrowing of the pylorus impeding the movement of chyme into the small intestine and characterized by projective vomiting.
The stomach releases a hormone called _____ which notifies the small intestine that chyme is coming and sets of the stomach's preparations for receiving acidic substances.
When attempting to neutralize chyme, the gallbladder releases _____ and the pancreas releases _____.
The small intestine ends at the _____ valve which prevents backflow from the cecum into the small intestine.
Increase the surface area to aid in absorption
The small intestines many folds contain villi and microvilli in order to _____.
Gallbladder and Pancreas
The Secretin and cholecystokinin secreted by the walls of the small intestine act on which two organs?
The _____ is attached to the cecum and associated with lower right quadrant pain.
Cecum, ascending colon, hepatic flexure, transverse colon, splenic flexure, descending colon, sigmoid colon, rectum, anal canal, anus
List all sections of the large intestine as it travels through the body.
True or False: besides the absorption of water and electrolytes and the synthesis of vitamins the large intestine also acts as a temporary storage site for waste and to eliminate waste from the body through defecation.
True or False: vitamins produced within the large intestine are produced by bacteria and not the intestine itself.
Hepatic portal vein
This carries blood rich in digestive end products from the organs of digestion to the liver.
Pathology of the liver that involves the build-up of scar tissue due to the liver being in a constant state of emulsification.
Synthesize plasma proteins, store glycogen and fat soluble vitamins A,D,E and K, detoxification, excretion of bilirubin, cholesterol and drugs and metabolism of carbs, proteins and fats, phagocytosis, synthesis of bile salts and bile secretion for fat digestion
List the 7 functions of the liver.
The liver is responsible for excreting bilirubin which builds up due to the breakdown of _____.
This is a function of the liver which causes the breaking down of large fat globs into smaller fat globs so that our enzymes can break them down further.
Please allow access to your computer’s microphone to use Voice Recording.
Having trouble? Click here for help.
We can’t access your microphone!
Click the icon above to update your browser permissions and try again
Reload the page to try again!Reload
Press Cmd-0 to reset your zoom
Press Ctrl-0 to reset your zoom
It looks like your browser might be zoomed in or out. Your browser needs to be zoomed to a normal size to record audio.
Please upgrade Flash or install Chrome
to use Voice Recording.
For more help, see our troubleshooting page.
Your microphone is muted
For help fixing this issue, see this FAQ.
Star this term
You can study starred terms together