2004_GI - 310M507 PHYSIOLOGY/GI Student Test Report 011 G1...

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Unformatted text preview: 310M507 PHYSIOLOGY/GI Student Test Report 011 G1 1 A ________,—____—__.__#_————un-—-n-u——_——O_——_—fl Course #: BIOM507Physi0 Instructor: Dr. Greene Course Title: 810M507 Physiology Description: BIOM507 Physiology Day/Time: Biomd 3/15/04 Term/Year: Spring Student Na Student ID: 970790 Possible Pts. Raw Ob'ective Sub'JEssa 17.00 15.00 15.00 0 Response <dash> correct response <#> mulfipte marks <space> no response Description: <a|phabet> student‘s incorrect response <*> bonus test item Answers , " _ 1. Which one of the following is NOT found in fluid secreted from the salivar glands’? a.—’eiearbenate b. potassium 2- All of the following statements about mechanisms of gastric acid secretion are true EXCEPT: 2"“? histamine stimulates the parietal cell. b. somatostatin inhibits gastrin release c. gastrin stimulates the secretion of acid a,\ acidic fluid in the gastric antrum inhibits gastrin release. - the acidity of the venus blood leaving the stomach increases as acid is a' oduced by the parietal cells 3. Ail of the following statements associated with protein breakdown are true EXCEPT: 3- Pchatanacdplflor optimal activation: b. pepsin is produced as pepsrnogen in chief cells hsqiepsin initiates the breakdown of polypeptides in the stomach h autocataiytic means functions to digest the walls of the stomach . pepsin can act on pepsinogen to activate the enzyme in the gastric lumen. ' a 4. Which of the following statemeants concerning gastrin I5 true? séEFelion.‘ ‘ ul tedb carboh drat - ' meals. / secretion is inhibited by acid in the gastric lumen; \ . acts on intrinsic factor to decrease pepsin production d. inhibits histamine release \e. is produced by the chief cells 5. A patient is having difficulty swallowing. Recordings of esophageal motility indicate that voluntarily initiated swallows. produce no primary waves of peristalsis. Local dWWnorWondagy peristalsis with sequential contractions and relaxation of the lower esophageal sphincter. The difficulty in swallowing probably is due to: a. a defectin normal tongue movements b. failure to protect the trachea when swallowing c. retching a problem in the striated muscle portion of the esophagus. . a problem in the smooth muscle portion of the esophagus. 6. Which of the following substances would empty from the stomach into the duodenum at the fastest rate? :ga. Wm Sunday b Bi ac gleam . Mog e. french fries 7. When the saliva emerges into the mouth from the glands, it is hypotonic to plasma: Q True . False Use the graph below to answer question 8. Permit! alive _ ‘ I Fiasrna 350 1%3 328 7 Concentration {mam m § U m m G) c-onoentratien Emmi.) h :3 a 20 as an rat! Secretory rate in mgjgm of giendimtn 8. This graph indicates that the faster the flow of saliVa the greater the amount of chloride ion is reabsorbed in the salivary gland ducts: X the presure in the mouth is usually below atmospheric pressure except when allowing _ firessure in the esophagus is equal to the pressure in the stomach between ls ‘ 0. pressure in the esophagus is always greater than atmospheric pressure Q receptive relaxation is increased by vagal nerve stimulation and primary ristalsis e. none of the above 10. The myenteric plexus: a. lies between the submucosa- and the circular muscle layers is unaffected by extrinsic autonomic nerve stimulation % ties between the serosa and the longitudinal muscle layers lies between the circular and longitudinal layers of muscles . none of the above ' - I! ‘1 1. The process of masticatidn involves: 12. Which of the following is characteristic of retchin but not vomiting? inspiration against a closed glottis ’ 'a _- contracted upper esophageal sphinCter c. high intra-abdominal pressure d. low intra-thoracic pressure Nody of stomach relaxed t3. Which compound is required for the initial direct activation of the pepsin molecule from pepsinogen following a high protein meal? a. HCI atostatin c. gastrin - salivary amylase pepsin 14. In persons without gastric rettLhr: a. as lustre—abdominal pressure increases upper esophageal sphincter pressure decreases b. as intra-abdominal pressure increases lower esophageal sphincter pressure increases ' c. a 'intra—abdominalpressure decrease 0 ha eals hincter pressure increases d. acid is not produced in the stomach e. none of the above _ 15. Which of the following is NOT a gastric secretion? a. intrinsipfactor b. hydrogen ions @vitamin 812 . pepsinogen e. mucus 16. During the processing of a meal: a. stomach contractions occur at approximately three times per minute b. the pylchjS‘piiificteniiélfififiip“létefrmlfiseL c. the antrum of the stomach acts as a storage hopper cl. fundus contractsviiifiTgTreater force fifirrtheantrum R} @none of the above 17. Vomiting: is stimulated by the migrating motor complex \ requires contraction of the body of the stomach c” can cause acid base imbalances d." aepends on reverse peristalsis in the esophagus e. none of the above ...
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This test prep was uploaded on 04/08/2008 for the course PHYS 500 taught by Professor Greene during the Spring '06 term at Philadelphia College of Osteopathic Medicine.

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2004_GI - 310M507 PHYSIOLOGY/GI Student Test Report 011 G1...

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