10. Digestive system reflexes that involve the brain are called II. A meal consi
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Question
10. Digestive system reflexes that involve the brain are called II. A meal consisting largely of fatty foods will take of starchy foods. to digest than a meal consisting of mainly s. 3. Chemicals unflamma t. 3. Sebaceous (ol) gland mation 5. Antibacterial 3 A or acids, B or lysozytr G. a. a longer time b. a shorter time c. the same time from the lungs to the throat, while only postganglionic fibers of the sympathetic 12. All preganglionic ANS fibers release division release of the following neurotransmitters stimulates smooth muscle contraction in the digestive tract? a. VIP l by certain cells The rough b. norepinephrine c. NO 2. Disposes of cell debris an d. ACh lammatory chemicala4 9. I 14. 8 I or neutrophils. slow intestinal motility and cause the pyloric sphincter to contract 15. List 5 peptide hormones of the Gl tract The cell produces and rele multiplying withirn those immunity. 4 and 5. B 9. G or lymph nodes b. c. d. ar 16. List four functions of duodenal CCK c. d. 17. Secretin stimulates gastric HCI secretion. a. True b. False 18. GIP stimulates the pancreas to secrete 19, 20,-. effects. stimulates motility of the intestine, thereby moving its contents toward the terminal ileum. occurs when the combined action of two hormones is greater than the sum of their individual The Digestive System: Motility 1. 2. The process by which food is received into the GI tract via the mouth is called The esophagus is digestive in function. a. True ane of the hymphocyte. b. False Swallowing has both voluntary and involuntary components 3. a. True b. False 4. The function of the epiglottis is to prevent a bolus from entering the 5. The first wave of contraction of the esophageal muscles is called 6. If a food bolus does not make it all the way to the stomach,peristalsis forces the bolus the remainder of the way Peristaltic contractions of the stomach occur about 7. body & fundus. times per minute when food makes it into the 8. The frequeney of peristaltic contractions is regulated by cells. 9. Gastric emptying would be slowed by which of the following: a. b. Fats in the duodenum Acids in the duodenumExplanation / Answer
Solutions:
10. Long reflexes
11. Longer time
12. a) ACh
b) NE
13. ACh
14. Enkephalins
15. i) Gastrin
ii) Cholecystokinin
iii) Secretin
iv) Glucose dependent insulinotropic peptide
v) Motilin
16. i) Gallbladder contraction and release of bile
ii) Release digestive enzymes
iii) Inhibits gastric emptying
iv) Stimulates growth of pancreas and gall bladder mucosa
17. False
18. Insulin
19. Motilin
20. Potentiation
Digestive system: Motility
1. Motility
2. False
3. True
4. Trachea
5. Primary peristalisis
6. Secondary
7. 3-5 times
8. Pacemaker
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