Question #7 hle c have receptors for several different .K is the only agonist likely to play a physiologically significant role in regulating acinar cell secretion. A The statenent is TRUE. B.The statenent is FAlSE Which statement about pancreatic exocrine secretion is NOT true? A.The higher the flow rate the higher the bicarbonate concentration. B.The fluid secreted by the acinar cells resembles plasma in its ionic compostion. C.Secretin causes the extralobular ducts to elaborate a secretion high in bicarbonate. D.CCK stimulates the secretion of the acinar cells and inhibits the secretion by the extralobular ducts E None of the above. Question#9 Which statement about pancreatic exocrine secretion is NOT correct? A.Pancreatic juice contains enzynes for digesting fats.proteins.carbohydrates,and nucleic acids B.Cholinergic neurons stimulate pancreatic secretion. C.During the cephalic phase,gastrin eatic secret During the gastric phase,gastrin and cholinergic reflexes stimulate pancreatic secretion. E.None of the above. Question#10 of flos of pancreatic than that of plast. the rat B.In response to secretin,extralobular ducts secrete a fluid that is high in [bicarbonatel. C.During the gastric phase of pancreatic secretion,gastrin stimulates acinar cells to release digestive enzynes. D.WhileCCK is the mjor physiological secretagogue for pancreatic acinar cells,they respond to several rhormones and neuroactive tance E.In the absence of secretin the"spontaneous secretion is produced by the extralobular ducts of the pancreas. Question 11-------------------------------------------------------------------------------- Question # 7 While pancreatic acinar cells have receptors for several different agonists, CCK is the only agonist likely to play a physiologically significant role in regulating acinar cell secretion. A. The statement is TRUE. B. The statement is FALSE. -------------------------------------------------------------------------------- Question # 8 Which statement about pancreatic exocrine secretion is NOT true? A. The higher the flow rate the higher the bicarbonate concentration. B. The fluid secreted by the acinar cells resembles plasma in its ionic compostion. C. Secretin causes the extralobular ducts to elaborate a secretion high in bicarbonate. D. CCK stimulates the secretion of the acinar cells and inhibits the secretion by the extralobular ducts. E. None of the above. -------------------------------------------------------------------------------- Question # 9 Which statement about pancreatic exocrine secretion is NOT correct? A. Pancreatic juice contains enzymes for digesting fats, proteins, carbohydrates, and nucleic acids. B. Cholinergic neurons stimulate pancreatic secretion. C. During the cephalic phase, gastrin stimultates pancreatic secretion. D. During the gastric phase, gastrin and cholinergic reflexes stimulate pancreatic secretion. E. None of the above. -------------------------------------------------------------------------------- Question # 10 Which of the following statements is FALSE? A. When the rate of flow of pancreatic juice is high, its [Cl-] is much less than that of plasma. B. In response to secretin, extralobular ducts secrete a fluid that is high in [bicarbonate]. C. During the gastric phase of pancreatic secretion, gastrin stimulates acinar cells to release digestive enzymes. D. While CCK is the major physiological secretagogue for pancreatic acinar cells, they respond to several other hormones and neuroactive substances. E. In the absence of secretin, the "spontaneous secretion" is produced by the extralobular ducts of the pancreas. -------------------------------------------------------------------------------- Question # 11