front 1 The terminal portion of the small intestine is known as the ________. | back 1 ileum |
front 2 The function of a lacteal is to ____________________. | back 2 Absorption of fats and other nutrients. |
front 3 Pepsinogen, a digestive enzyme, is secreted by the ________. | back 3 Chief cells of the stomach. |
front 4 In addition to storage and mechanical breakdown of food, the stomach ________. | back 4 Initiates protein digestion and denatures proteins. |
front 5 True or False Food is contained in the gastrointestinal tract from the time of ingestion until it is completely digested and the waste prepared for elimination. | back 5 True |
front 6 The sheets of peritoneal membrane that hold the digestive tract in place are called ________. | back 6 Mesenteries |
front 7 Which vitamin requires intrinsic factor in order to be absorbed? | back 7 B12 |
front 8 You have just eaten french fries, buttered toast, ice cream, and whole milk. Which of the following glands would be active in helping you to digest this food? | back 8 The pancreas |
front 9 True or False The submucosa is in direct contact with food. | back 9 False |
front 10 Gastrin is a digestive hormone that is responsible for the stimulation of acid secretions in the stomach. These secretions are stimulated by the presence of ________. | back 10 Protein and peptide fragments |
front 11 True or False Some of the microbes that often invade other organs of the body are rarely found in the stomach. The reason for this is the presence of HCl. | back 11 True |
front 12 Which of the following enzymes is specific for proteins? | back 12 C. Trypsin |
front 13 True or False The gall bladder stores and releases bile, but does not produce it. | back 13 True |
front 14 Pancreatic amylase does not get to the small intestine via the ________. | back 14 Cystic duct |
front 15 Chyme is created in the ________. | back 15 Stomach |
front 16 Digestion of which of the following would be affected the most if the
liver were severely damaged? | back 16 A. Lipids |
front 17 Which of the following is not true of saliva? | back 17 B. Contains enzymes that begin the breakdown of proteins |
front 18 Which of these is not a component of saliva? | back 18 D. Nitric oxide |
front 19 The function of the hepatic portal circulation is to ________. | back 19 B. Collect absorbed nutrients for metabolic processing or storage |
front 20 The major means of propelling food through the digestive tract is ________. | back 20 Peristalsis |
front 21 Which of the following is NOT a characteristic of the
stomach? | back 21 A. The stomach releases enzymes to digest carbohydrates. |
front 22 What is the major digestive function of the pancreas? | back 22 Production of digestive enzymes |
front 23 In the __________ phase of gastric secretion, chyme is moved into the duodenum. | back 23 Intestinal |
front 24 Most digestion and absorption of nutrients occur in the __________. | back 24 Small Intestine |
front 25 Which vitamins are made by the bacteria in the large intestine? | back 25 B complex and K vitamins |
front 26 Which of the following processes occurs only in the large
intestine? | back 26 C. Defecation |
front 27 An effective way to medically treat diarrhea would be to use a drug that ______. | back 27 Inhibits the activity of the myenteric nerve plexus |
front 28 Which vitamin requires intrinsic factor in order to be absorbed? | back 28 B12 |
front 29 The final product of carbohydrate digestion is ____________________. | back 29 Glucose, fructose, and galactose |
front 30 From the esophagus to the anal canal, the walls of every organ of the alimentary canal are made up of the same four basic layers. Arrange them in order from the lumen. | back 30 mucosa, submucosa, muscularis externa, and serosa |
front 31 What part of the tooth bears the force of chewing? | back 31 cementum |
front 32 Parietal cells of the stomach produce ________. | back 32 Mucin |
front 33 True or False The major stimulus for production of intestinal fluid is distention or irritation of the intestinal mucosa by hypertonic or acidic chyme. | back 33 True |
front 34 In addition to storage and mechanical breakdown of food, the stomach ________. | back 34 It is the first site where absorption takes place |
front 35 Which of the following is not a phase of gastric secretion? | back 35 A. Cephalic |
front 36 Nervous control of gastric secretion is provided by ________. | back 36 A. Somatic neurons in the spinal cord |
front 37 Which of the following sphincters is under voluntary control? | back 37 D. External anal |