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LOM Ch 5 Digestive System Set 7
Language of Medicine, 9th edition, Davi-Ellen Chabner
50
Medical
Professional
04/21/2010

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Term
fundus
Definition
upper portion of the stomach
Term
body
Definition
middle section of the stomach
Term
antrum
Definition
lower portion of the stomach
Term
sphincters
Definition
rings of muscle that control the openings into and leading out of the stomach
Term
prevent food from regurgitating
Definition
What do sphincters prevent?
Term
regurgitating
Definition
flowing backward from normal position
Term
lower esophageal sphincter
Definition
relaxes and contracts to move food from the esophagus into the stomach
Term
pyloric sphincter
Definition
allows food to leave the stomach when it is ready
Term
rugae
Definition
folds in the mucous membrane lining the stomach that contain digestive glands that produce the enzume pepsin and hydrochloric acid
Term
pepsin
Definition
enzyme that begins the digestion of proteins
Term
small intestine; duodenum; chemically; small
Definition
The stomach prepares food for the __________, where digestion and absorption into the bloodstream take place. The stomach controls the passage of food into the _________ , where it proceeds only when it is _______ ready and in _______ amounts.
Term
1; 4; amount; type
Definition
Food leaves the stomach in __ to __ hours, depending on the ______ and ______ of food eaten.
Term
small bowel
Definition
another name for small intestine
Term
20; pyloric
Definition
The small intestine extends ____ feet from the ________ sphincter to the first part of the large intestine.
Term
duodenum; jejunum; ileum
Definition
What are the three parts of the small intestine?
Term
duodenum
Definition
first part of the small intestine that is only 1 foot long
Term
stomach; bile; pancreatic juices
Definition
The duodenum receives food from the _______, __________ from the liver and gallbladder, and ____________ from the pancreas.
Term
enzymes; bile
Definition
__________ and _________ help digest food before it passes from the duodenum into the jejunum.
Term
jejunum
Definition
second part of the small intestine that is 8 feet long
Term
ileum
Definition
11 feet long, this part of the small intestine receives food from the jejunum and attaches to the first part of the large intestine
Term
fundus; body
Definition
The ______ and ________ are often referred collectively as the fundus and are a reservoir for intested food and an area for action by pepsin and acid.
Term
antrum
Definition
muscular grinding chamber that breaks up food and feeds it gradually into the duodenum
Term
villi
Definition
The capillaries in the _______, which line the walls of the small intestine, absorb the digested nutrients into the bloodstream and lymph vessels.
Term
large intestine
Definition
extends from the end of the ileum to the anus
Term
cecum, colon, rectum
Definition
What are the three parts of the large intestine?
Term
cecum
Definition
the first part of the large intestine, a pouch on the right side that connects to the ileum at the ileocecal valve
Term
colon
Definition
Second part of the large intestine that is five feet long and has four named segments
Term
ascending, descending, transverse, sigmoid
Definition
What are the four segments of the colon?
Term
ascending colon
Definition
segment of the colon that extends from the cecum to the under surface of the liver, where it turns to the left to become the transverse colon
Term
transverse colon
Definition
part of the colon that passes horizontally to the left toward the spleen and then turns downward into the descending colon.
Term
sigmoid colon
Definition
part of the colon that is shaped like an S and begins at the distal end of the descending colon and leads into the rectum
Term
large intestine
Definition
receives the fluid waste products of digestion and stores these wastes until they can be released from the body
Term
True
Definition
T or F: The large intestine absorbs most of the water within waste
Term
liver, gallbladder, pancreas
Definition
What three organs play a crucial role in the proper digestion and absorption of nutrients?
Term
bile
Definition
a thick, orange-black, sometimes greenish fluid that is manufactured by the liver
Term
bilirubin
Definition
pigment in bile that is produced from the breakdown of hemoglobin during normal red blood cell destruction
Term
liver; bile; duodenum; pigments
Definition
Bilirubin travels in the bloodstream to the ________, where it is converted into a water-soluble form.  It is then added to _____ and enters the __________.  Bacteria degrades bilirubin into a variety of _________ that give feces a brownish color.
Term
In feces
Definition
How do bilirubin and bile leave the body?
Term
jaundice
Definition
Condition caused by a blocked bile duct or liver damage, where bilirubin is unble to be excreted and remains in bloodstream
Term
jaundice
Definition
Another name for hyperbilirubinemia
Term
b
Definition

A patient has yellow discoloration of the skin, whites of the eyes, and mucous membranes.  What condition does he have?

a) hyperlipemia

b) hyperbilirubinemia

c)hypothyroidism

Term
hemolysis
Definition
red blood cell destruction
Term
True
Definition
T or F: The liver continuously releases bile
Term
hepatic duct, cystic duct
Definition
What two ducts does bile travel through from the liver to the gallbladder?
Term
gallbladder
Definition
pear-shaped sac under the liver that connects to the cystic duct--which contracts in response to food in the stomach and duodenum, which forces bile out of the cystic duct and into the common bile duct
Term
True
Definition
T or F: The pancreas works at the same time as the gallbladder
Term
pancreatic; common bile
Definition
The pancreas secretes enzymes that are released into the ________ duct, which joins with the ____________ duct as it enters the duodenum, which receives a mixture of bile and pancreatic juices
Term
it would remain undigested
Definition
What would happen to most of the fat taken into the body without bile?
Term
b; c; e; a; f; d
Definition

Put in order: a) bilirubin added to bile

b) hemolysis produces bilirubin

c) bilirubin travels to liver

d)bilirubin and bile excreted in feces

e) bilirubin made water soluble

f) bilirubin and bile enters duodenum

Term
unconjugated bilirubin
Definition
measured in lab tests as indirect bilirubin
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