Podcast
Questions and Answers
What is the primary function of the gastric phase of control?
What is the primary function of the gastric phase of control?
- To slow gastric emptying
- To segment food in the small intestine
- To prepare the arrival of the meal (correct)
- To initiate secretion of digestive enzymes
Which phase of control occurs simultaneously with the others after the meal begins?
Which phase of control occurs simultaneously with the others after the meal begins?
- All phases occur sequentially
- Gastric phase (correct)
- Cephalic phase
- Intestinal phase
Where do inhibitory reflexes originate to slow gastric emptying?
Where do inhibitory reflexes originate to slow gastric emptying?
- Pancreas
- Large intestine
- Small intestine (correct)
- Stomach
What is released into the lumen of the GI tract during the intestinal phase of control?
What is released into the lumen of the GI tract during the intestinal phase of control?
What is the primary function of the cephalic phase of control?
What is the primary function of the cephalic phase of control?
During which phase of control is the meal in the small intestine?
During which phase of control is the meal in the small intestine?
What is the primary site of fat digestion and absorption?
What is the primary site of fat digestion and absorption?
What is released into the small intestine during the intestinal phase of control?
What is released into the small intestine during the intestinal phase of control?
Which structural modification of the small intestine forces chyme to spiral slowly, allowing more time for nutrient absorption?
Which structural modification of the small intestine forces chyme to spiral slowly, allowing more time for nutrient absorption?
Which type of cells line the villi in the small intestine and are responsible for absorption?
Which type of cells line the villi in the small intestine and are responsible for absorption?
What enzymes are found in the microvilli that complete the digestion of carbohydrates?
What enzymes are found in the microvilli that complete the digestion of carbohydrates?
What is the primary form in which carbohydrates are absorbed in the small intestine?
What is the primary form in which carbohydrates are absorbed in the small intestine?
Which enzyme breaks down lactose into its monosaccharide components?
Which enzyme breaks down lactose into its monosaccharide components?
How are glucose and galactose primarily transported across the epithelial cells in the small intestine?
How are glucose and galactose primarily transported across the epithelial cells in the small intestine?
Which enzyme continues the digestion of carbohydrates in the duodenum of the small intestine?
Which enzyme continues the digestion of carbohydrates in the duodenum of the small intestine?
By what mechanism are most nutrients absorbed in the small intestine?
By what mechanism are most nutrients absorbed in the small intestine?
What is the primary breakdown product of triglyceride molecules during digestion?
What is the primary breakdown product of triglyceride molecules during digestion?
Where does most digestion and absorption occur in the gastrointestinal tract?
Where does most digestion and absorption occur in the gastrointestinal tract?
Which enzyme is essential for the bulk of fat digestion?
Which enzyme is essential for the bulk of fat digestion?
What is the primary mechanism of water absorption in the small intestine?
What is the primary mechanism of water absorption in the small intestine?
Why is the stomach a poor absorptive area of the GI tract?
Why is the stomach a poor absorptive area of the GI tract?
What type of substances can be absorbed in small quantities in the stomach?
What type of substances can be absorbed in small quantities in the stomach?
What is the primary function of pancreatic lipase in fat digestion?
What is the primary function of pancreatic lipase in fat digestion?
What is the primary mechanism of sodium transport in the small intestine?
What is the primary mechanism of sodium transport in the small intestine?
Flashcards are hidden until you start studying
