What are the major factor/s that stimulate the release of Secretin by the S cells? I. Acidic pH of chyme entering the duodenum II. Parasympathetic stimuli III. Peptons in the gastric chyme entering the duodenum IV. A stomach full of digested content
1. What are the major factor/s that stimulate the release of Secretin by the S cells?
I. Acidic pH of chyme entering the duodenum
II. Parasympathetic stimuli
III. Peptons in the gastric chyme entering the duodenum
IV. A stomach full of digested content
2. Which is/are true about cholecystokinin?
I. Secreted in response to the presence of fat or protein digestive products
II. CCK inhibits gastric and intestinal motility
III. It potentiates the secretory action of the pancreas
IV. It causes contraction of the gall bladder wall
3. Which of the following ions are correctly matched to its mode of transport and part of the tubule?
I. Urea - Passive Transport - Proximal Convoluted Tubule
II. Sodium - Passive Transport - Ascending Loop of Henle
III. Water - Active Transport - Proximal Convoluted Tubule
IV. Potassium - Active Transport - Proximal Convoluted Tubule
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