physio

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Author:
pszurnicki
ID:
65495
Filename:
physio
Updated:
2011-02-11 15:18:52
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physio
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physio
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  1. What coverts trypsinogen to trypsin?
    enterokinase (enteropeptidase)
  2. What activates lipase and colipase?
    Bile salts
  3. Enterokinase is secreted where?
    Duodenum
  4. What activates chemotrypsinogen, caboxypeptidase A and B?
    Trypsin
  5. How is secretin action different from that of CCK?
    • Secretin--high volume, low enzyme , high bicarbonate
    • CCK- low volume, low bicarbonate and high enzyme
  6. Norepinephrine is synthesized where?
    Locus cereleus
  7. 5HT is synthesized where?
    Raphe Nucleus
  8. Ach is synthesized where
    Basal Nucleus of Meynert
  9. GABA is synthesized where?
    Nucleus Accumbens
  10. Hirshprung's disease is caused by what?
    loss of Myenteric nerve plexus
  11. Metanephrines in urine, episodic hypertension, headaches, palpitations, perspiration are all indicative of what?
    Pheochromocytoma
  12. Chvostek's sign and Troussaeu appear in what condition?
    Hypocalcemia
  13. What is the difference between Chvostek's sign and Troussaeu sign?
    • Chvostek--tapping of facial nerve--twitches
    • Troussaeu--blood pressure cough...movement of fingers
  14. Achalasia and Hirshprungs disease are caused by what?
    absent myenteric plexus
  15. Proton pump blocker?
    Omeprazole
  16. H2 receptor antagonist?
    cimetidine
  17. Ach receptor antagonist on a parasympathetic gland?
    Atropine
  18. What enzyme catalyzes the formation of carbonic acid from CO2 and H20?
    Carbonic anhydrase
  19. What happens in Zollinger-Ellison Syndrome?
    • Gastrin secreting tumor of pancreas or duodenum
    • recurrent ulcers
  20. What muscle is affected is Achalasia?
    • Lower esophageal sphincter (LES)
    • Cardiac Sphincter
  21. Barret's Esophagus?
    • glandular metaplasia--Non keratinized SSE to columnar epithelium
    • Becomes
    • adenocarcinoma
    • results
    • reflux disease
  22. What happens in Celiac sprue( gluten sensitive enteropathy)
    • autoimmune to mucosal cells
    • malabsorption
  23. In terms of stool what is expected in Celiac Sprue?
    Steatorrhea
  24. Steatorrhea and failure to thrive are seen in what GI disorder?
    Celiac Sprue
  25. What nerve controls the internal anal sphincter?
    Pelvic
  26. What nerve controls the external anal sphincter?
    Pudendal ( S2,S3,S4)
  27. What is the differential for Gastric ulcer and Duodenal Ulcer?
    • Gastric--pain is Greater with Meals
    • Duodenal--pain Decreases with Meals

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