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GI & Renal practice

GI & Renal practice - 1 What prevents food from...

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1. What prevents food from entering the nasal passages during swallowing? a. elevation of the uvula b. contraction of the pharyngeal muscles c. elevation of the larynx d. positioning of the tongue e. movement of the epiglottis 2. The lower esophageal sphincter is normally closed a. to prevent air from entering the stomach during breathing b. to prevent gastric contents from refluxing into the esophagus c. to prevent vomiting d. to prevent esophageal secretions from entering the stomach e. to prevent food from entering the pharynx 3. Gastric emptying is decreased by a. distension of the stomach b. gastrin c. carbohydrate in the stomach d. fat in the stomach e. fat in the duodenum 4. Which of the following breakfasts would remain in the stomach the longest? a. toast, orange juice, coffee b. black coffee c. fried eggs, bacon, hash browns d. cereal with skim milk e. boiled egg, toast, and juice 5. During the cephalic phase of gastric secretion, a. thinking about, smelling, seeing food reflexively increases gastric secretion b. vagal stimulation of the gastric glands occurs c. gastrin is released d. a and b above are correct e. a, b, and c above are correct 6. Alcohol a. stimulates gastric secretion b. can be absorbed more rapidly from the small intestine than from the stomach c. inhibits gastic emptying via the enterogastric reflex d. a and b above are correct e. a, b, and c above are correct
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7. Cholecystokinin
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