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36 Cards in this Set
- Front
- Back
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normal diameter of SB, trans colon, cecum?
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SB-3 cm
trans colon-6cm cecum-9cm |
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cells that secrete granules and enzymes?
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paneth cells
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cells that secrete alkaline solution?
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brunner's gland
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lymphoid tissue in SB?
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peyer's patches
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antigen presenting cells?
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M cells
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phases of gut motility?
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rest, accleration and GB contraction, persitalsis, deceleration
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percentage of bile acids reabsorbed?
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95%, of which 50% active in terminal ileum, 45% passive in ileum, 5% passive in colon
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bile conjugated to what in bowel?
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taurine and glycine
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two primary and secondary bile acids?
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cholic and chenodeoxycholic
deoxycholic and lithocolic |
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stain to check fecal fat?
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sudan red stain
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test to measure vit B12 absorption?
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schilling test
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fistula at which bowel location likely to heal spontaneously?
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distal bowel more likely than proximal bowel
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meckel's pathogenesis?
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failure of closure of omphalomesenteric duct
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MC type of tissue found in meckel's?
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pancreatic tissue
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mc tissue type found in symptomatic meckel's?
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gastric
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tx of anal/perianal crohn's?
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flagyl
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MC symptom of anal crohn's?
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large skin tags
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what percentage of crohn's pt eventually need surgery?
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90%
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cells that produce serotonin in carcinoid?
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kulchitsky cells
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what other test used to localize carcinoid tumor besides CT?
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octreotide scan
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carcinoid tumor measurement cutoff for appy vs. hemicolectomy?
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>=2cm or at base require hemi-colectomy
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chemo for carcinoid?
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streptozocin and 5FU, usually only for unresectable disease and symptomatic
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tx for flushing related to carcinoid?
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alpha-blockers
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what substance can exacerbate carcinoid symptoms?
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pentagastrin
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mc benign small bowel tumor?
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leiomyomas
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MC malignant small bowel tumor?
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adenocarcinoma
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malignancy often found in jejunum and ileum?
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leiomyosarcoma
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young male with clubbing is a symptom is which SB malignancy?
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mediterranean variant lymphoma
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mc stomal infection?
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candida
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tx of hartmann pouch colitis?
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short chain aa enemas
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mc cause of stomal stenosis?
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ischemia
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mc cause of fistula near stoma?
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crohn's
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mc location of perforation in appy?
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midpoint of antimesenteric border
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which trimester most likely to have perforation?
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3rd
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which trimester most likely to have appy?
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2nd
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tx for salmonella enteritis?
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bactrim
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