c. Hypertonic solutions in the duodenum d. Distention of the duodenum e. All of
ID: 268139 • Letter: C
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c. Hypertonic solutions in the duodenum d. Distention of the duodenum e. All of the above 10. 11. Now would be a great time to fill in the interactive table on page 12. The cephalic phase of digestion is regulated by short reflexes regulate gastric juice secretion during the cephalic phase. 7 of the Motility topic. a. True b. False. 13. The 14. The hormone 15. Gastric motility 16. The hormone nerve regulates gastric secretion during the gastric phase of digestion. as the stomach begins to receive food. released by the duodenum cause gastric motility to decrease when fats are in the duodenum. 17. The hormone les describes the c 18. The 19. Sympathetic nervous system stimulation 20. The motility process illustrated below is- causes the gall bladder to contract and release bile into the small intestine. communication between the intestine and the stomach. roteins, digestive system activity or T cells 21. Segmentation moves chyme in only one direction. a. True b. False 22. The frequency of segmentation contractions is greatest in the 23. 24. The hormone 25. During the inter-digestive period, reflexes stimulate the ileum to increase activity when food is in the stomach. causes the ileocecal sphincter to relax during the gastric phase. occur about once every 90 minutes to move undigested materials toward the terminal ileum. 26. Migrating motility complexes are controlled by the central nervous s True b. False e. 3. Its ge 27. List the two major functions of the large intestine. 28. Pockets formed by the contractions of the transverse and descending colon musculature are called 29. Sustained, intense propulsive peristaltic contractions of the large intestine are called 30. Which of the following is under voluntary control? a. b. Internal anal sphincter External anal sphincter a. b. 31. Only about ml of the 500 ml of chyme that entered the colon is voided as feces 32. Place the following labels on the large intestine figure below Cecum, ascending colon, transverse colon, descending colon, sigmoid colon, rectum, haustra, appendixExplanation / Answer
10) Nerves.
Nerves regulate gastric juice secretion during the cephalic phase. The cephalic phase of gastric secretion is regulated by the vagus nerve.
12) The given statement is false.
The cephalic phase of gastric secretion is regulated by the vagus nerve. Production of Acid and enzymes by gastric mucosa, which regulates gastric activity by short reflexes. Short reflexes coordinate in wall of stomach, which is known as gastric phase.
13) Vagus.
The vagus nerve carries electrical signals from the brain to the stomach. It carries signals between the brain, the stomach and intestinal tract. These signals control stomach contractions, which help digestion of food.
14) Gastrin.
The hormone gastrin regulates gastric secretion during the gastric phase of digestion. Secretion of gastrin is stimulated by the act of eating known as cephalic phase and the arrival of food in the stomach known as gastric phase.
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