The Digestive System
50 questions available
Questions
Which organ is considered an accessory organ of the digestive system, as opposed to a part of the main digestive canal?
View answer and explanationWhat is the approximate length of the small intestine according to the chapter?
View answer and explanationWhat is the approximate length of the large intestine?
View answer and explanationWhich specific function is attributed to the stomach, distinguishing it from other digestive organs?
View answer and explanationWhat type of tissue lines the lumen of the esophagus?
View answer and explanationWhich of the four main layers of the alimentary canal contains the submucosal plexus (plexus of Meissner)?
View answer and explanationWhat is the primary digestive function of the liver?
View answer and explanationWhat is the primary function of the gallbladder in the digestive process?
View answer and explanationThe pancreas contributes to digestion by producing which substances?
View answer and explanationWhich process is a major function of the large intestine?
View answer and explanationIn which part of the digestive system does the chemical breakdown of carbohydrates begin?
View answer and explanationWhat is the term for the valve that prevents the backflow of food from the small intestine back into the stomach?
View answer and explanationWhich histological features are primarily responsible for vastly increasing the absorptive surface area of the small intestine?
View answer and explanationThe exocrine part of the pancreas produces pancreatic juice that is delivered to what part of the small intestine?
View answer and explanationWhat is the primary cell type that makes up the liver lobules and is responsible for producing bile?
View answer and explanationWhich of the following is a function of bicarbonate-rich pancreatic juices?
View answer and explanationWhat are the four main layers of the alimentary canal wall, from the innermost to the outermost layer?
View answer and explanationIn the mouth, what enzyme begins the chemical breakdown of carbohydrates?
View answer and explanationWhich part of the digestive system is described as a hollow tube that connects with the esophagus and is also connected with the respiratory system?
View answer and explanationWhat is the primary function of goblet cells in the histology of the large intestine?
View answer and explanationWhat are the cells in the pancreas that produce hormones like insulin and glucagon called?
View answer and explanationAccording to Figure 23.10, which process is NOT considered a form of mechanical digestion?
View answer and explanationWhat is the function of the muscularis layer in the alimentary canal?
View answer and explanationThe stomach begins the chemical breakdown of which major macronutrient?
View answer and explanationWhat is the name of the semi-fluid mass of partially digested food that is formed in the stomach?
View answer and explanationWhich organ of the digestive system is located in the bend between the stomach and the small intestine?
View answer and explanationWhat is the primary substance stored in the gallbladder?
View answer and explanationThe tubular esophagus passes through an opening in which muscular organ to reach the stomach?
View answer and explanationWhich layer of the alimentary canal is composed of areolar connective tissue and epithelium, and is also known as the visceral peritoneum?
View answer and explanationWhat is the main purpose of mucus secreted by the large intestine?
View answer and explanationMost digestion and absorption of nutrients occur in which part of the digestive system?
View answer and explanationThe pancreas is described as an accessory organ of the digestive system that is unable to regulate the level of sugar in the blood in which disorder?
View answer and explanationWhat are the three sections of the small intestine?
View answer and explanationThe main function of the digestive system is to process food that is eaten and convert it into what?
View answer and explanationWhat is the function of the pharynx in the digestive system?
View answer and explanationWhat type of muscle is found in the muscularis layer of the stomach?
View answer and explanationIn addition to digestion, what other function does the stomach possess according to Table 1?
View answer and explanationWhat is the term for the movement of food through the digestive tract, such as swallowing and peristalsis?
View answer and explanationWhere in the alimentary canal does absorption of nutrients and water into blood vessels and lymph vessels primarily occur?
View answer and explanationThe esophagus is described as propelling food to the stomach. What other function is listed for the esophagus in Table 1?
View answer and explanationWhich organ absorbs breakdown products of carbohydrates, proteins, lipids, and nucleic acids, along with vitamins, minerals, and water?
View answer and explanationThe structure of the small intestine is vastly enlarged by circular folds, villi, and what other microscopic feature?
View answer and explanationWhat is the function of the accessory organs (liver, gallbladder, pancreas) in relation to the chyme from the stomach?
View answer and explanationThe digestive system consists of the mouth, pharynx, esophagus, stomach, small intestine, and which other major organ?
View answer and explanationWhat is the name of the cells in the stomach's gastric glands that secrete hydrochloric acid?
View answer and explanationWhich of these is NOT a function of the mouth in digestion?
View answer and explanationWhere are the breakdown products of food digestion ultimately absorbed, as depicted in Figure 23.10?
View answer and explanationWhat is the function of segmentation, which occurs in the small intestine?
View answer and explanationWhat is the term for the mucosal folds in the stomach that allow it to expand?
View answer and explanationUndigested food passes from the small intestine into the large intestine, where waste such as feces and what other substance are stored?
View answer and explanation