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digestion system erj
exam
Question | Answer |
---|---|
where does the digestion begin | mouth |
where does absorption of most nutrients take place? Water | nutrients in small intestine, water in large intestine |
who are the 3 parts of salivary glands | Paroid cheek in front of the ear sublingual- under tongue submandibular - under lower jaw bone |
what is the other name for the roof of the mouth | palate |
the 5 parts of the tooth | enalem-outer covering of tooth, hardest substance in the body made up of the same tissue as bone crown- above the gum line dentin- bulk of tooth root- portion of tooth below the gum line pulp cavity- space inside tooth that contains blood vessels and |
where are the taste buds located | onthe papillae of the tongue |
what is peristalsis | is the wavw like muscle contraction that moves materials through the digestive tract |
what is the function of the esophagus | carries food from the mouth to the stomach |
the location and function of gastroesophageal and pyloric sphincters | gastroesophageal sphincter is located between the stomach and esophagus pyloris sphincter is between the stomach and duodenum and they allow the things to movw through |
the 3 divisions of the stomach from proximal to distal | fundus, body, pylorus |
what does the vagus nerve do | stimulates the stomach to move which includes peristalsis and acids and enzymes to get released |
which substance are secreted by the stomach for digestion | hydrochloric acid and enzymes are secreted by the stomach for digestion |
the 3 division of the small intestine from proximal to distal | duodenum, jejunum, ileum |
what are villi and what is their function | villi are fingerlike projection in the small intestin to increase the surface area for absorption of nutrients |
bile and other digestive secretion empty into which part of small intestine | duodenum |
the division of the large intestine from prosimal to distal | Cecum, acending colon,trasverse colon,descending colon, sigmoid colon rectum |
what is the peritoneum | is the serous membrane that covers the abdominalpelvic organs and lines the abdominal cavity |
what is the function of the gallbladder | stores and concetrates bile |
what is the digestive function of the pancreas | secretes enzymes that breakdown carbs, fat, and proteins |
the names of 3 digestive enzymes produced by pancreas | lipase, amylase, trypsin |
what is the digestive function of the liver | manufactures and secretes bile |
know the names os the ducts that empty into the common bile duct | hepatic, cystic, and pancreatic ducts empty into the common bile |
what is GREAD | gastroesophageal reflux Disease |
what is hiatal hernia | is when a portion of the stomach pushes up through diaphragm |
what is cirrhosis | is fatty degeneration of the liver causes scarring |
what is an ileostomy? Colostomy? | is when you bring a piece of the ileum through the abdominal wall for the exretion of stool |
whats a ulcer | is a lesion on a mucous membrane |
what is OCG | oral cholecystogram (gallstones) |
what is BE | barium enema |
what is UGI | upper gastrotestinal, swalow barium so dostor can look at the upper digestive system |