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21 Cards in this Set
- Front
- Back
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Name the regions of the large intestine as digestion progresses.
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ileocecal valve
The Cecum Appendix or Vermiform Appendix The Ascending Colon Transverse Colon. Descending Colon Sigmoid Colon Rectum |
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2. Which cells absorb water and which lubricate the intestine?
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Absorptive cells function primarily in absorption of water.
Goblet cells secrete mucous to lubricate contents as they pass. |
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3. What nervous system is responsible for gut innervation?
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Enteric nervous system
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4. From what two major arteries does blood supply to the large intestine originate?
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Superior and Inferior Mesenteric Arteries.
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5. Blood supply from the large intestine returns via what major vein?
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Hepatic Portal Vein.
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What are the 5 principal regions of the Large Intestine?
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Cecum, Colon , Sigmoid Colon, Rectum, and Anal Canal
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What portion(s) of the colon are retroperitoneal?
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Ascending and descending colons
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What hormone relaxes the ileocecal sphincter during mechanical digestion?
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Gastrin
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What is the purpose of the ileocecal sphincter?
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Regulates passage of chyme from ileum to cecum and prevent regurgitation of gastric contents into ileum.
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What are the layers of the Large Intestinal wall?
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Mucosa, Submucosa, Muscularis, and Serosa
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What influence does the parasympathetic nervous system have on the large intestine?
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Increases motility and increases secretion of mucous
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What is the major difference between the goblet cells of the small and large intestine?
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The goblet cells of the large intestine have no villi decreasing its absorptive surface area
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A patient presenting with appendicitis will have which of the following?
a. rebound tenderness b. positive obturator and psoas sign c. continuous and dull pain d. all of the above |
D -- all of the above
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What is the purpose of the mucosa layer of the large intestine?
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Absorb water, absorb vitamins, absorb electrolytes, and secrete mucous
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Put the following in order for proper technique for an abdominal exam: 1. palpation 2. inspection 3. percussion 4. auscultation
a. 1234 b. 2431 c. 4213 d. 3142 |
B --
2 Inspectiion 4 Auscultation 3 Percussion 1 Palpation |
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Vague abdominal pain, peptic ulcer-like symptoms, weight loss and altered bowel habits could indicate what disease?
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Colorectal cancer
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Rebound tenderness in the left lower quadrant accompanied by fever and a tender mass on digital rectal exam can indicate what disease?
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Diverticulitis
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What pain fibers are associated with Abdominal visceral pain?
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C Fibers: Crampy -dull pain
A Fibers: Sharp pain |
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What type of pain is associated wtih abd surgery with irritation of the peritenium, ph & temp changes?
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Somatic pain
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What is Mesenteric Traction Syndrome?
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Tachycardia, hypotension and cutaneous hyperemia
Also--PaO2 decreases, Due to release of vasoactive histamine release (prostacyclin(PG1)) |
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How would you treat Mesenteric Traction syndrome?
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NSAID Ketoralac inhibits cycloxygenase, also H1 &H2 antihistamines
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