Podcast
Questions and Answers
What is the main function of the gastric glands in the stomach?
What is the main function of the gastric glands in the stomach?
- To produce mucus
- To regulate stomach pH
- To absorb nutrients
- To secrete digestive enzymes (correct)
What type of cells primarily make up the walls of the gastric pit?
What type of cells primarily make up the walls of the gastric pit?
- Mucous cells (correct)
- Enteroendocrine cells
- Oxyntic cells
- Goblet cells
What is the approximate increase in surface area of the small intestine due to the combination of circular folds, villi, and microvilli?
What is the approximate increase in surface area of the small intestine due to the combination of circular folds, villi, and microvilli?
- 800-fold
- 500-fold
- 600-fold (correct)
- 700-fold
How does the stomach protect itself from self-digestion?
How does the stomach protect itself from self-digestion?
Which part of the small intestine is responsible for the absorption of bile acids and vitamin B12?
Which part of the small intestine is responsible for the absorption of bile acids and vitamin B12?
What is the main function of the small intestine in the digestive system?
What is the main function of the small intestine in the digestive system?
What is the outermost layer of the gastrointestinal tract composed of?
What is the outermost layer of the gastrointestinal tract composed of?
What is the name of the junction that connects the small intestine to the large intestine?
What is the name of the junction that connects the small intestine to the large intestine?
What are the two main types of gastric glands in the stomach mucosa?
What are the two main types of gastric glands in the stomach mucosa?
Which of the following neural plexuses is located in the submucosa layer of the gastrointestinal tract?
Which of the following neural plexuses is located in the submucosa layer of the gastrointestinal tract?
What is the main function of the duodenum in the small intestine?
What is the main function of the duodenum in the small intestine?
What is the main function of the mucosa layer in the gastrointestinal tract?
What is the main function of the mucosa layer in the gastrointestinal tract?
What percentage of total saliva secretions is contributed by the major salivary glands?
What percentage of total saliva secretions is contributed by the major salivary glands?
What is the primary function of saliva in digestion?
What is the primary function of saliva in digestion?
What is the pH of saliva?
What is the pH of saliva?
What is the pharynx part of?
What is the pharynx part of?
What component of the digestive system processes ingested foods into molecular forms?
What component of the digestive system processes ingested foods into molecular forms?
What is the purpose of the digestive system?
What is the purpose of the digestive system?