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Digestivesp'13
| Question | Answer |
|---|---|
| The complete deciuous dentition hs 20 teeth and the permanent dentition has 32 teeth. | True |
| Impulses along the vagus nerve stimulate gastric secretions in the cephalic phase of the regulation of gastric secrtions. | True |
| The passage of chyme through the cardiac sphincter initiates the intestinal phase of gastric secretions. | False |
| The splenic flexure is between the ascending colon and transverse colon. | False |
| The gallbladder is located anterior to the liver and connected via the common bile duct. | False |
| The pancreas to secretes digestive enzymes amylase, tripsin and lactase. | True |
| Pepsin and trypsinboth function in the digestio of proteins. | True |
| Bile salts emulsify fats prior to digestion and then aid in the absorptio of the end products of fat digestion. | True |
| Nutrients are absorbed in the small intestine via specialized epithelial cells before they are absorbed into the blood. | True |
| Which one of the folloowing is an accessory organ of the digestive tract? | Pancreas |
| Mechanical digestion begins in the mouth with | Mastication (term for chewing) |
| The layer of the wall of the gastronintestinal tract that contains the blood vessels and nerves is the | Submucosa |
| Mechanical digestion begins in the ______ with the process called _______ | Mouth; mastication |
| The structure that separates the nasal cavity from the oral cavity is called | Palate |
| The posterior portion of the palate ends with a projectio called the | Uvula |
| The hard substance that covers the crown of a tooth is | Enamel |
| The pulp cavity is surrounded by | Dentin |
| The largest of the salivary glands is normally the ______gland | Parotid |
| The enzyme in saliva that begins to break down carbohydrates is | Amylase |
| Masses of lymphoid tissue located in the region of the oral cavity and oropharynx are | Palatine tonsils |
| Which of the folloowing is the correct sequence for the passage of food after it is swallowed | Phyarynx, esophagus, stomach |
| Regurgitation of stomach contents into the esophagus is preented by the | Cardiac sphincter or Esophageal sphincter |
| Most of the stomach is located in the__________ quadrant of the abdomen. | Epigastric |
| Longitudinal folds of the stomach mucosa that permit expansion are called | Rugae |
| The layer of the stomach wall that allows the stomach organ to move and churn consists of | Smooth or visceral muscle |
| Exocrine cells in the stomach secrete all of the following EXCEPT | Gastrin |
| Which of the following typically slow stomach emptying and stays in the stomach for the longest time period | Fats |
| The tiny fingerlike projections of the sucosal layer in the small intestine are | Villi |
| Chyme passes through the pyloric sphincter from the stomach into the | Duodenum |
| Place the three regions of the small intestine in order from proximal to distal. | Duodenum, jejunum, ilium |
| The flexure between the transverse colon and descending colon is the ______flexure. | Splenic |
| Which of the following is a primary function of the large intestine | Absorption of water and electrolytes |
| Most of the liver is located in the ____quadrant of the abdomen. | Right hypochondriac |
| Blood that is rich in nutrients from the digestive tract is carried to the liver by the | Hepatic portal vein |
| A hepatocyte is a | Liver cell |
| All of the following are not functions of the liver EXCEPT | Secretion of digestive enzymes |
| Fatty substances in chyme are emulsified by | bile salts |
| Bile is temporarily stored in the | Gallbladder |
| The pancreas is located | Along the posterior abdominal wall |
| The exocrine portions of the pancreas are the | Acinar cells which secrete digestive enzymes |
| The end products of carbohydrate digestion are | glucose, fructose, and galactose |
| The end products of protein digestion are | Amino acids |
| The end products of fat digestion are | Monoglycerides and fatty acids |
| Inflammation of the salivary glands is called | Sialadenitis |
| Postprandial means | After a meal |
| What are the primary functions of the digestive tract | Digestion, absorption, elimination |
| What are considered the accessory organs of the digestive system | Live, gallbladder, pancreas |
| What is the name of the m ovements of the digestive tractthat propel food particles | Perystolsis |
| What is the process by which simple molecules from chemical digestion pass through the cell membranes into the blood | Diffusion |
| Wha type of muscle tissue is in the tongue | Skeletomuslce |
| What is the term for the lymph capillaries that absorb monoglycerides and fat soluble vitamins | Lacteals |
| What is the digestive function of the liver | The production of bile |
| What is the term for the opening of the common bile duct and the pancreatic duct as empties into the small intestin | Ampule of vater /Odi |
| What vessel carries oxygen-rich blood to the liver | Heaptic arteries |
| What vessel carries nutrient rich blood to the liver | Hepatic portal veiw |
| What vessel carries de-oxygenated blood away from the liver | Hepatic veins |
| What duct attaches the gallbladder to liver | Cystic duct |
Created by:
veraj1970