Podcast
Questions and Answers
What is the primary function of the gastrointestinal tract?
What is the primary function of the gastrointestinal tract?
- Mechanical digestion of food
- Secretion of digestive enzymes
- Elimination of waste products from the body
- Absorption of nutrients into the bloodstream (correct)
What type of digestion occurs in the stomach and small intestine?
What type of digestion occurs in the stomach and small intestine?
- Mechanical digestion only
- Chemical digestion only
- Both mechanical and chemical digestion (correct)
- Neither mechanical nor chemical digestion
What is the role of the salivary glands in digestion?
What is the role of the salivary glands in digestion?
- To mix food with saliva
- To absorb nutrients into the bloodstream
- To secrete enzymes to break down carbohydrates (correct)
- To secrete acid into the mouth
What is the term for the passage of molecules through the plasma membranes of cells lining the stomach and intestines into the blood and lymph?
What is the term for the passage of molecules through the plasma membranes of cells lining the stomach and intestines into the blood and lymph?
What is the term for the muscles in the organ wall that rhythmically contract and relax to mix food and secretions together and to move the mixture through the system?
What is the term for the muscles in the organ wall that rhythmically contract and relax to mix food and secretions together and to move the mixture through the system?
What is the term for the breakdown of food into molecules small enough to be absorbed?
What is the term for the breakdown of food into molecules small enough to be absorbed?
What is the function of the saliva produced by the salivary glands?
What is the function of the saliva produced by the salivary glands?
Which of the following is NOT a layer of the GI tract?
Which of the following is NOT a layer of the GI tract?
What is the function of the muscularis mucosae?
What is the function of the muscularis mucosae?
Which of the following is responsible for controlling the passage of food from the pharynx to the esophagus?
Which of the following is responsible for controlling the passage of food from the pharynx to the esophagus?
What is the name of the contractions that move food through the GI tract?
What is the name of the contractions that move food through the GI tract?
What is the function of the enteric nervous system?
What is the function of the enteric nervous system?
What is the name of the fold that binds organs to one another and to the walls of the abdominal cavity?
What is the name of the fold that binds organs to one another and to the walls of the abdominal cavity?
What is the main function of the pancreatic juice secreted by the pancreas?
What is the main function of the pancreatic juice secreted by the pancreas?
What is the name of the hormone secreted by G cells in the stomach?
What is the name of the hormone secreted by G cells in the stomach?
What is the main function of the liver?
What is the main function of the liver?
What is the name of the valve that separates the small intestine from the large intestine?
What is the name of the valve that separates the small intestine from the large intestine?
What is the name of the process by which the liver breaks down fats to produce ATP?
What is the name of the process by which the liver breaks down fats to produce ATP?
What is the name of the phase of digestion that occurs when food is in the mouth?
What is the name of the phase of digestion that occurs when food is in the mouth?
What is the name of the cells that produce mucous in the stomach?
What is the name of the cells that produce mucous in the stomach?
What is the name of the duct that joins the pancreatic duct to form the common bile duct?
What is the name of the duct that joins the pancreatic duct to form the common bile duct?
What is the name of the process by which the liver removes bilirubin from the blood?
What is the name of the process by which the liver removes bilirubin from the blood?
