Term
| Stimulates gastric secretion. |
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Definition
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Term
| Secreted by the pyloric gland area. |
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Definition
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Term
| Secretion is stimulated by acidic conditions in the duodenum. |
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Definition
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Term
| Stimulated primarily by the presence of fat (fatty acids) in the duodenum. |
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Definition
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Term
t/f
Instrinsic factor is necessary for the absorption of vitamin B12. |
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Definition
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Term
t/f
The pancreas secretes enzymes involved in the digestion of all three categories of foodstuff. |
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Definition
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Term
t/f
Shorter loops of Henle have the potential to produce more concentrated urine than longer loops of henle. |
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Definition
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Term
t/f
Upon arrival of a new meal in the stomach, the gastrocolic reflex pushes the colonic contents into the rectum, triggering the defecation reflex to eliminate the remains of a preceding meal. |
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Definition
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Term
t/f
Insulin is secreted by the alpha cells from the Islets of Langerhans and aids in carbohydrate digestions. |
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Definition
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Term
t/f
The vast majority of filtered fluid is reabsorbed. |
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Definition
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Term
t/f
The rate of gastric emptying is influenced by factors both in the stomach and in the duodenum. |
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Definition
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Term
| Digestive secretions include |
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Definition
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Term
| The intestinal feature responsible for increasing the absorptive surface area the most are |
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Definition
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Term
| Where is digestion completed? |
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Definition
| On the brush borders of the small intestinal epithelial cells. |
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Term
| Which of the following is NOT accomplished by chewing? |
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Definition
| Begins digestion of carbohydrates. |
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Term
| Which of the following organs is not a digestive tract organ? |
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Definition
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Term
| The distal and collecting tubules are the site of |
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Definition
| Aldosterone and vasopressin action |
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Term
| Which of the following statements concerning parasympathetic innervation of the digestive tract is incorrect? |
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Definition
| Parasympathetic stimulation to the salivary glands decreases salivary secretions. |
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Term
| The enteric nervous system |
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Definition
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Term
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Definition
| all of these answers are correct. |
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Term
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Definition
| activate the cyclic AMP second-messenger system within the tubular cells to insert water channels into the distal and collecting tubules. |
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Term
| Which of the following correctly describes carbohydrate absorption by intestinal cells? |
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Definition
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Term
| What of the following does not occur during swallowing? |
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Definition
| Relaxation of the smooth muscles in the esophagus. |
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Term
| The descending limb of the loop of Henle is where |
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Definition
| water passively leaves the tubular fluid due to osmosis. |
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Term
| The gastroesophageal sphincter is normally closed to prevent |
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Definition
| gastric contents from refluxing into the esophagus. |
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Term
| Which of the following is entirely under nervous control and has no hormonal regulatory component? |
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Definition
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Term
| Which statement regarding control of digestive processes is incorrect? |
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Definition
| osmoreceptors monitor the acidity of the luminal contents. |
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Term
| Select the incorrect statement about the pancreas. |
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Definition
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Term
| The ascending limb of the loop of Henle |
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Definition
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Term
| Shich of the following statements about pancreatic enzymes is incorrect? |
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Definition
| except for trypsinogen, other proteolytic enzymes are secreted in active form. |
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Term
| Select the terminal portion of the colon. |
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Definition
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Term
| Which of the following statements concerning water reabsorption is correct? |
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Definition
| the ascending limb of the loop of Henle is always impermeable to water. |
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Term
| Which of the following statements concerning HCl secretion by the stomach is correct? |
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Definition
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Term
| The primary factor responsible for moving the chyme forward in the small intestine is |
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Definition
| a gradient in the frequency of segmentation along the length of the small intestine. |
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Term
| Venous flow into the liver is via the |
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Definition
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Term
| The chief cells of the gastric mucosa secrete |
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Definition
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Term
| Which of the following factors does NOT inhibit gastric motility? |
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Definition
| carbohydrates in the stomach. |
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Term
| Receptive relaxation refers to the relaxation of the |
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Definition
| stomach rugae as it starts to fill, thereby allowing an increase in volume with very little increase in pressure. |
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Term
| Select the major waste product of nitrogen metabolism. |
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Definition
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Term
| Carbohydrates are absorbed as |
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Definition
|
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Term
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Definition
| aggregations of triglycerides formed within intestinal epithelial cells and covered with a layer of lipoprotein, which renders them water-soluble. |
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Term
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Definition
| is accomplished by smooth muscle contractions. |
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Term
| The ascending limb of the loop of Henle of a juxtamedullary nephron |
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Definition
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Term
| Proteins are primarily digested to and absorbed as |
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Definition
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Term
| What mechanisms are responsible for producing concentrated urine? |
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Definition
| a and b and c all play a role. |
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Term
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Definition
| outer connective tissure covering of the digestive tract. |
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Term
| Which of the following breakfasts would remain in the stomach the longest? |
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Definition
| Fried eggs, bacon and hash browns. |
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Term
| Which of the following is a precursor to an enzyme that functions in the stomach? |
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Definition
|
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Term
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Definition
| all of the above are correct. |
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Term
| Which of the following statements concerning the colon is correct? |
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Definition
| Colonic movements are much slower than those in the small intestine. |
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