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Achalasia
Failure of LES to relax; dilation of esophagus above the narrowing and loss of peristalsis occur.
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Achlorhydria
Absence of hydrochloric acid from the gastric juice
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Amylase
Enzyme that digests starch
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Portal hypertension
Increased pressure in veins near liver
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What causes gastric cancer?
chronic gastritis associated with baterial infection
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What causes PUD?
Helicobacter pylori mixed with hyperacidity and gastric juices
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What causes hemorrhoids?
pregnancy and chronic constipation
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Anal fistula
Abnormal tube-like passageway near the anus
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Antrum
Lower portion of stomach; muscular grinding chamber that breaks up food and feeds it gradually to the duodenum
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aphthous stomatitis
Inflammation of the mouth with small, painful ulcers; canker sores
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Appendix
Small, slender sac near the beginning of the colon in the RLQ of the abdomen
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Atresia
Absence of a normal opening
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Barium Swallow
Study of the esophagus
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3 ways a patient can become jaundiced
1. any liver disease so that bilirubin is not processed into bile and cannot be excreted in feces, 2. obstruction of bile flow so that bile and bilirubin are not excreted and accumultate in the bloodstream, 3. excessive hemolysis leading to overproduction of bilirubin and high levels in the bloodstream
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What enzymes to LFTs test for?
ALT, AST, alk phos (and bilirubin)
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Celiac disease
autoimmune disorder in which villi in the lining of the small intestine are damaged resulting from dietary glutens
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What is a direct bilirubin test?
elevated conjugated bilirubin (biliary obstruction causing liver disease)
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What is an indirect bilirubin test?
elevated unconjugated bilirubin in serum (excessive hemolysis)
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Barrett esophagus
Premalignant condition; long-term irritation of the esophagus caused by gastric reflux
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Biliary atresia
Congenital absence of the opening from the common bile duct into small intestine
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Biliary colic
Pain from blocked cyst or common bile duct
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Biliary tract
organs and ducts that secrete, store, and empty bile into the duodenum
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Borborygmus
Rumbling or gurgling noise produced by hyperactive movement of gas, fluid, or both in the GI tract
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Bronchiectasis
Abnormal widening of the bronchial tubes or their branches
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buccal mucosa
Mucous membrane lining the cheek
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Cathartics
Medications to promote movement of stools
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Cecal volvulus
Twisting of cecum
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Cecum
First part of large intestine
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celiac
Pertaining to the abdomen
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Celiac artery
Blood vessel that carries blood to the abdominal organs from the aorta
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Celiac sprue
celiac disease
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Cheilitis
Inflammation of the lip
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Cheilosis
Abnormal condition of the lips
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Cholangiectasis
Abnormal widening or dilation of a bile vessel
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Cholangiography
X-ray recording of bile vessels using radiopaque contrast medium
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Cholangiopancreatography
X-ray recording of bile vessels and the pancreas after administration of contrast material directly into bile and pancreatic tissue
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Cholangitis
Inflammation of bile vessels
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cholecystectomy
Removal of gall bladder
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Cholecystojejunostomy
Formation of a new opening between the gallbladder and jejunum
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Cholecystolithiasis
Abnormal condition of stones in the gallbladder
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Choledochal
Pertaining to the common bile duct
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Choledochojejunostomy
Anastomosis between the common bile duct and the jejunum
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Choledocholithiasis
Abnormal condition of stones in the common bile duct
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Choledochotomy
Incision of the common bile duct
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Cholelithiasis
Abnormal condition of gallstones
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Cholestasis
Stoppage of bile flow
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Cirrhosis
Chronic, degenerative disease of the liver
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Colonic Polyposis
Benign growths protrude from the mucous membrane lining the colon
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common bile duct
Tube carrying bile from the gallbladder and liver into the first part of the small intestine
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Constipation
Difficulty in passing feces
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Contrast medium
Substance that xrays cannot penetrate
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Crohn disease; Crohn's
Inflammatory bowel disease marked by diarrhea, pain, fever, weakness, and weight loss
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Dentibuccal
Pertaining to teeth and cheeks
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Diverticula
Small, pouch-like herniations through the muscular wall of a tubular organ
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Diverticulosis
Abnormal condition of diverticula without inflammation
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Dysentery
Painful intestines; marked by inflammation and infection of the colon with abdominal pain and diarrhea
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Dysphagia
Difficulty swallowing
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Elimination
Discharge from the body of indigestible materials or wastes
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Emulsification
Breakdown of large fat globules into smaller, digestible particles
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Enterocolostomy
New surgical connection between parts of the small intestine and colon; anastomosis
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Eructation
Gas expelled from the stomach through the mouth
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Esophageal atresia
Congenital absence of the normal opening from the esophagus to the stomach
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Esophageal varices
Swollen, twisted veins at the lower end of the esophagus
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fatty acids
Substances produced when fats are digested; combine with glycerol to form fat
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Flatus
Gas expelled through the anus
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Fundus
Upper portion of stomach
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Gastroduodenal anastomosis
New surgical opening between the stomach and duodenum
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Gastroesophageal reflux disease (GERD); Reflux esophagitis
Backflow of solids and fluid from the stomach to the mouth against its normal direction of movement
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Gastrointestinal endoscopy
Endoscopic examination of stomach and intestines
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Gastrojejunostomy
New surgical opening between the stomach and the jejunum; anastomosis
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Gingivectomy
Removal of gums tissue
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Glycogenolysis
Breakdown of glycogen to release sugar
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Glycolysis
Breakdown of sugar to release energy in body cells
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Hematochezia
Passage of bright red blood from the rectum
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Herniorrhaphy
Suture a hernia
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Herpetic stomatitis
Inflammation of the mouth caused by infection with the herpes virus.
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hydrochloric acid
Strong acid present in a dilute form in the stomach
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Hypoglossal
Pertaining to below the tongue
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Icterus
Jaundice; yellow-orange coloration of the skin and whites of the eyes caused by high levels of bilirubin in the blood
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ileocecal sphincter
Rings of muscle between the ileum and cecum
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Ileus
Failure of peristalsis with obstruction of the intestines
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Inflammatory bowel disease
Severe inflammation of the small and large intestine; Crohn disease and ulcerative colitis
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Intussusception
One portion of the intestine slips into an adjoining part; telescoping of the intestines
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Irritable bowel syndrome (IBS)
Abdominal pain, diarrhea, constipation, and bloating associated with stress and tension
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Labioglossopharyngeal
Pertaining to the lips, tongue, and throat
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Lithogenesis
Formation of stones
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Liver function tests
Tests for presence of enzymes and bilirubin in blood or serum
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lower esophageal sphincter
Ring of muscles between the esophagus and stomach
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Lower gastrointestinal series
X-ray imaging of the small and large intestines after injecting barium into the rectum; barium enema
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Lymphangiectasia
Widening or dilation of lymph vessels
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Lysis
Destruction, breakdown
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Mesocolon
Part of mesentery attached to colon
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Odynophagia
Painful swallowing
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Palatopharyngoplasty
Suture of the roof of the mouth and throat*
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paralytic ileus
Acute, transient loss of peristalsis
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Parenteral
Pertaining to a route other than through the GI tract
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parotid gland
Salivary gland within the cheek, anterior to the ear
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Peptic Ulcer
Open sore or lesion of the mucous membrane of the stomach and duodenum
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Percutaneous endoscopic gastrostomy tube (PEG tube or G tube)
Tube inserted through the abdomen into the stomach to deliver food and liquids when swallowing is impossible
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Periodonist
Specialist in the treating the gums
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Periodontal disease (gingivitis)
Inflammation and degeneration of the gums, teeth and surrounding bone
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Periodontal membrane
Membrane that surrounds the tooth in the tooth socket
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Peritonitis
Inflammation of the peritoneum
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Polyphagia
Excessive eating
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Postprandial
After a meal
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Proctosigmoidoscopy
Endoscopic examination of the sigmoid colon, anus, and rectum
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Proptosis
Forward protrusion of the eyeballs
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Protease
Enzymes that digests proteins
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pyloric sphincter
Ring of muscle surrounding the opening of the stomach to the duodenum
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Pyloroplasty
Surgical repair of the pyloric sphincter
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Rectal carcinoma
Malignant tumor of the rectum*
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Rectocele
Hernia of the rectum
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Rectum
Final section of the colon
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Rugae
Folds or creases in the mucus membrane of the stomach or hard palate of the mouth
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Sialadenectomy
Removal of salivary glands
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Sialadenitis
Inflammation of a salivary gland
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Sialolith
Salivary gland stone
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sigmoid colon
Distal, lower end of the colon
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Splenic flexure
Downward bend of the colon on the left side of the body toward the descending colon
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Stool culture
Test for microorganisms in feces
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Stool guaiac
Test for detection of occult blood in feces
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Ulcerative colitis
Inflammation of the colon and rectum with the presence of ulcers; inflammatory bowel disease
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Uvula
Small, fleshy mass hanging from the soft palate at the back of the mouth
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Villi
Fingerlike, microscopic projections on the inner surface of the small intestine; sites of absorption of foods and fluids
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Volvulus
Twisting of the intestine upon itself
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What is the function of the uvula?
aids in production of sounds/speech
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What is the function of the tongue?
Moves food around during mastication and deglutition
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What is the function of the tonsils?
Protect the body from the invasion of microbes and produce lymphocytes
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How many teeth does an adult have?
32 permanent teeth
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What is the part of the tooth above the gum line?
Crown
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What is the part of the tooth in the bony tooth socket?
Root
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What is the protective layer of the crown?
Enamel
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What is the main substance of the tooth?
Dentin
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What is the dentin composed of?
Bony tissue (yellow)
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What is the soft delicate tissue containing within a tooth?
Pulp
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What covers, protects and supports dentin in the root?
Cementum
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What surrounds the cementum and holds the tooth in place in the tooth socket?
Periodontal membrane
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Central incisor �
2 front teeth in dental arch
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Lateral incisor �
2 teeth next to front teeth
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Canine �
Pointed, doglike teeth next to the incisors (cuspids or eyeteeth)
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First premolar -
4th tooth from middle on either side of dental arch
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Second premolar -
5th tooth from middle on either side of dental arch
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First molar �
6th tooth from middle on either side of dental arch
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Second molar -
7th tooth from middle on either side of dental arch
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Third molar -
8th tooth from middle on either side of dental arch
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Labial surface �
nearest lips - incisors and canine teeth
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Buccal surface �
adjacent to cheeks � premolars and molars
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Facial surface �
Front surface of teeth
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Lingual surface �
Back surface of teeth
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Mesial surface �
Lies nearer to median line
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Distal surface �
Lies further from median line
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Occlusal surface �
comes in contact with a corresponding tooth in the opposite arch (molars and premolars only)
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Incisal edge �
Sharp end of incisors and canines
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What are the 3 types of salivary glands?
parotid, submandibular, sublingual
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What is the function of the epiglottis?
Covers the trachea so food cannot enter
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What is the function of the esophagus?
peristalsis
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What is the function of the the lower esophageal sphincter?
Relaxes and contracts to move food from esophagus to stomach; prevent regurgitation
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What is the function of the pyloric sphincter?
allows food to leave the stomach when it is ready
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What is the function of the rugae?
Produce pepsin and hydrochloric acid
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Function of the small intestine
digestion and absorption
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Function of villi
absorb digested nutrients into bloodstream and lymph vessels
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Function of large intestine
absorption of water and elimination of solid feces
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What are the 3 parts of the large intestine?
cecum, colon, rectum
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What are the 4 segments of the colon?
ascending, transverse, descending, and sigmoid
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What are the 6 functions of the liver?
1. maintains normal blood glucose levels, 2. stores, iron, and vitamines, 3. maufactures blood proteins, 4. removes toxins from the blood, 5. releases bilirubin, 6. produces bile
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How does the liver maintain normal blood glucose levels?
removes excess glucose from the bloodstream and stores it as glycogen in liver cells, converts glycogen into glucose when blood sugar is low (glucogenylisis), converts proteins and fats to glucose (gluconeogenesis)
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Pathway of bilirubin
1. hemolysis and hemoglobin breakdown in spleen, 2. travels to liver, 3. made water-soluble in liver (conjugated bilirubin), 4. added to bile and enters duodenum, 5. bilirubin and bile are degraded in intestines and exit body in feces
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How does bile get from the liver to the gallbladder?
travels through hepatic duct to cystic duct to gallbladder
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How do nutrients get to liver?
portal vein carries digested food absorbed by the capillaries of the small intestine
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How does bile get to the intestines?
contraction of gallbladder after a meal forces bile out of cystic duct and into the common bile duct into duodenum
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How do pancreatic juices get into intestines?
pancreatic duct to duodenum
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What enzymes are in pancreatic juices?
amylase, lipase, protease
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Choledoch/o
Common bile duct
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Sialaden/o
Salivary gland
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PTHC
percutaneous transhepatic cholangiography - contrast medium injected using a needle placed through abdominal wall into the liver
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LAC
Laparoscopic-assisted colectomy
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BRBPR
Bright red blood per rectum - hematochezia
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T tube
Tube placed in the bile duct for drainage into a small pouch
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EGD
esophagogastroduodenoscopy
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TPN
Total parenteral nutrition - sugar, proteins, electrolytes, and vitamins
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ERCP
Endoscopic retrograde cholangiopancreatography - contrast medium is administered through oral catheter and passes through esoophagus, stomach, duodenum, and into bile ducts
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EUS
Endoscopic ultrasonography
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PEG tube
Percutaneous endoscopic gastrostomy tube - feeding tube
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FOBT
Fecal occult blood test
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PEJ tube
Percutaneous endoscopic jejunostomy tube - feeding tube
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What causes ascites?
neoplasm inflammastory disorder, venous hypertension from liver disease, or heart failure
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What causes borygmus?
Hyperactive intestinal peristalsis - gastroenteritis, diarrhea
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What causes melena?
bleeding in upeer GI tract
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Canker sores are a symptom of what disease?
aphthous stomatitis
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Fever blisters and cold stores are characteristics of what disease?
Herpetic stomatitis
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What causes oral leukoplakia?
chronic tobacco use
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What causes periodontal disease?
Accumulation of dental plaque and dental calculus or tartar
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