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25DigestiveSystem
Ch. 25 Digestive System Review
| Question | Answer |
|---|---|
| The lacteals absorb... | Chylomicrons |
| Periodontal tissue... | Gingiva |
| Physical breakdown of food into smaller particles... | Mechanical digestion |
| Muscular tube extending from mouth to anus... | Alimentary canal |
| Muscular tube extending from mouth to the anus, also known as the alimentary canal... | Digestive tract |
| Teeth... | Dentition |
| Vomiting without prior knowledge or retching... | Projectile vomiting |
| Fat digestion begins in the... | Stomach |
| A tooth is composed mostly of... | Dentin |
| Peristalsis is controlled by the... | Myenteric nerve plexus |
| The absorption of dietary ___ requires the intrinsic factor... | B12 |
| The filing of the stomach stimulates the contractions of the __ | Colon |
| The ___ secrete 1 to 2 L of juice per day which has a pH of 7.4 to 7.8... | Intestines |
| The __is the first 40% of the small intestine beyond the duodenum... | Jejunum |
| The __ is the space between the cheeks and the teeth/lips... | Vestibule |
| Study of the digestive tract and the diagnosis and treatment of its disorders... | Gastroenterology |
| The esophagus, stomach and intestines have a nervous network known as the ___ which regulates digestive tract motility, secretion and blood flow... | Enteric nervous system |
| Hold the abdominal viscera in the proper relationship to each other... | Mesenteries |
| The motility and secretion of the digestive tract are controlled by neural, ___ and paracrine mechanisms | Hormonal |
| The average adult has __ teeth... | Thirty-two |
| The stomach mechanically breaks up food particles, ___ the food and begins the chemical digestion of proteins and fat. | Liquifies |
| The mixture of gastric juices and food that travels from the stomach through the intestines... | Chyme |
| About 25% of people develop this as a consequence of cirrohosis | Ascites |
| Chronic inflammation resulting in ulceration of the large intestine which tends to be hereditary... | Ulcerative colitis |
| Hard masses in the gallbladder or bile duct... | Gallstones |
| Home to more than 700 species of microorganisms, especially bacteria... | Human mouth |
| Inflammation of the small and large intestines... | Crohn disease |
| Inflammation of the stomach... | Gastritis |
| Lacking the enzyme lactase... | Lactose intolerance |
| Pepsin and HCl have eroded the stomach lining... | Peptic ulcer |
| Pulp of the tooth is removed and replaced with inert material... | Root canal |
| Severe pancreatic inflammation... | Acute pancreatitis |
| Elimination of solid waste... | Defecation |
| Organ lies against the posterior body wall and is covered by peritoneum on the anterior side only... | Retroperitoneal |
| The mouth is lined with... | Stratified squamous epithelium |
| Retain food and push between teeth for chewing... | Cheeks/lips |
| Manipulates fod between the teeth, extract food from teeth; sense of taste is rooted here... | Tongue |
| Separates oral cavity from nasal cavity... | Palate |
| Swallowing... | Deglutition |
| Chewing... | Mastication |
| Muscular funnel that connects oral cavity to the esophagus and nasal cavity to the larynx... | Pharynx |
| Straight muscular tube leading to stomach... | Esophagus |
| Involuntary phase of swallowing... | Pharyngoesophageal phase |
| Voluntary phase of swallowing... | Buccal phase |
| Muscular sac used primarily for food storage... | Stomach |
| Composed mainly of water, HCl acid and pepsin... | Gastric juice |
| Wrinkles of the stomach mucosa and submucosa... | Gastric rugae |
| Digests proteins into shorter chains... | Pepsin |
| Digests dietary fat in the stomach... | Gastric lipase |
| Forceful ejection of the stomach and intestinal contents through the mouth... | Vomiting |
| A typical meal is emptied into the stomach in about ___ hours... | 4 |
| Reddish brown gland with tremendous variety of functions... | Liver |
| Largest gland in the body... | Liver |
| Regulates the passage of bile and pancreatic juice into duodenum... | Hepatopancreatic sphincter |
| Serves to store and concentrate bile... | Gallbladder |
| Green fluid containing minerals, cholesterol, neutral fats, etc. | Bile |
| Spongy retroperitoneal gland composed mostly of exocrine tissue... | Pancreas |
| Stimulates pancreatic cells to secrete enzymes even before food is swallowed... | Acetylcholine |
| Stimulates pancreatic cells to secrete enzymes and stimulates gallbladder while relaxing the HP sphincter... | Cholecystokinin |
| Stimulates the ducts of liver and pancreas to secrete abundant sodium bicarbonate solution... | Secretin |
| Nearly all chemical digestion and nutrient absorption occur in the __ | Small intestine |
| Begins at the pyloric valve and receives stomach contents, pancreatic juice and bile... | Duodenum |
| Most digestion/nutrient absorption occurs in this section of the small intestine... | Jejunum |
| Movement in which stationary ring-like constrictions appear along intestine and relax as new constrictions form elsewhere... | Segmentation |
| Blind pouch in lower right quadrant of large intestine; appendix is attached to lower right end... | Cecum |
| Section between ileocecal junction and rectum... | Colon |
Created by:
SavannahElkins
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