DIGESTIVE PRACTICE QUESTIONS

DIGESTIVE PRACTICE QUESTIONS - GI Practice Questions 1....

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GI Practice Questions 1. Which of the following statements is true regarding the teeth? A. Each quadrant of the permanent teeth contains 2 incisors, 1 canine, 3 premolars, and 2 molars B. The root canal is the site for entrance of blood vessels and nerves into the pulp cavity C. The cementin is one of the strongest substances in the body and lies immediately below the enamel D. The dentin is the external portion of the crown region B 2. Which of the following statements is true regarding the tongue? A. It is skeletal muscle innervated by the vagus nerve B. It's epithelial type is nonkeratinized stratified columnar C. The papillae that are most associated with taste are the fungiform and circumvallate papillae D. The sensation of taste is transmitted by CN V (trigeminal) C 3. Which of the following statements is true regarding the tongue? a. it is skeletal muscle innervated by the vagus nerve b. it is skeletal muscle innervated by the hypoglossal nerve c. it is smooth muscle innervated by the vagus nerve d. it is smooth muscle innervated by the hypoglossal nerve B 4. The primary intrinsic innervation of the GI tract for peristalsis is which of the following? a. the sympathetic nervous system b. the parasympathetic nervous system c. the myenteric plexus of Auerback and the submucosal plexus of Meissner d. all of the above B 5. The portion of the intestines that has the largest number of mucosal folds and epithelium that has microvilli for absorption of nutrients is which of the following? a. the stomach
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c. the distal portion of the small intestine d. the large intestine B 6. All of the following are true regarding the esophagus except which of the following? a. the epithelial type is stratified squamous b. digestion of proteins begins in the esophagus c. the lower esophageal sphincter is contracted except when a bolus of food is entering the stomach d. the esophagus has both skeletal and smooth muscle in its walls B 7. Which of the following statements is true regarding the stomach? a. it has two layers of smooth muscle in its walls for mixing of food b. the folds of the gastric mucosa are called plica circulares c. the sheet of connective tissue with copious fat that hangs from the greater curvature of the stomach is called the greater omentum d. the region that is closest to the esophagus is the termed the body of the stomach C 8. The cell in the gastric mucosa that is most associated with the secretion of pepsin is which of the following? a. the parietal cell b. the principle cell c. the chief cell d. the G cell C 9. Which of the following substances are absorbed directly into the bloodstream after passing through the epithelial cells of the intestine? a. glucose and long chain fatty acids
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This note was uploaded on 07/29/2010 for the course SCI none taught by Professor None during the Spring '10 term at Armstrong State University.

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DIGESTIVE PRACTICE QUESTIONS - GI Practice Questions 1....

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