Upper GI

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Anonymous
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154163
Filename:
Upper GI
Updated:
2012-05-16 10:15:23
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johndc3476
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  1. What are the three primary functions of the digestive system? What happens in each one?
    • Intake and Digestion
    • - Intake of water, vitamins and minerals + digestion of food
    • Absorption
    • - Abosprtion of particles, water and etc. into blood
    • Elimination
    • - Eliminate any unused material in form of semisolid waste.
  2. What are the parts of the oral cavity?
    • - Upper and lower teeth
    • - Hard and soft palates
    • - Palatine Uvula
    • - Toungue
    • - Pharynx
  3. What are the three Salivary Glands?
    • - Parotid
    • - Submandibular
    • - Sublingual
  4. Are Salivary Glands considered Accesory organs?
    Yes
  5. What is the cemical composition of saliva?
    • 99.5% water
    • .5 % salts
  6. How much saliva do you secrete daily?
    1k to 15k mL daily
  7. What does Saliva do? What does it do to starch?
    Saliva helps dissolves food to begin digestion. It has enzymes that begins the digestion of starch.
  8. What is the act of swallowing known as?
    Degluition
  9. How long is the pharynx?
    12.5 cm long
  10. What are the three parts of the pharynx? Where are they?
    • - Nasophayrnx: Poseterior to the bony nasal septum and nasal cavities.
    • - Oropaharynx: Directly posterior to oral cavity proper
    • - Laryngopharynx: Extends for the epiglottis to the level of lower border of the cricoid cartilage.
  11. What does the tounge help prevent?
    It prevents food from comig back to the mouth.
  12. What does the epiglottis do?
    Covers the laryngeal opening.
  13. How long is your esophogus? ( or Gullet )
    9 and 3/4s inches or 25 cm long.
  14. Where does the esophagus start?
    • Posetrior to the lower border of the cricoid cartilage.
    • or
    • At level of C6
  15. Where does the esophagus end?
    Level of T11
  16. Where is the esophagus most constricted?
    • - Entrance of Thorax
    • - When it passes through the Diaphragm
    • - When it goes through the mediastainum where its indentated by the aortic arch and the left primary bronchus
  17. What is peristalsis?
    Wavelike series of involuntary muscular contraction that brings food through.
  18. What is the greek and latin name for stomach?
    • Gastr - Greek
    • Latin - Ventriculus
  19. What is the portion of the esophagus between the stomach and diaphraghm?
    Cardiac Antrum
  20. What is the opening between the esophagus and the stomach?
    Esophagogastric Junction ( Cardiac orifice )
  21. What is the Rugae?
    Gastric Folds ( Internal Folds of stomach )
  22. What is the gastric canal formed by?
    Formed by ruagae along hte lesser curavture to move fluids directly to the pylorus
  23. What is the most superior part of the stomach?
    Fundus
  24. What are the two curvatures of the stomach
    • Lesser - Medial
    • Greater - Lateral Part
  25. Where is the Pylorus?
    Pretty much the last part of the stomach.
  26. What part of the pylorus goes into the duodenum?
    Pyloric Orifice
  27. What are the parts of the Pylorus?
    • Pyloric Antrum - Entrance
    • Pyloric Canal - Middle of it
    • Pylroic Sphincter - End.
  28. b

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