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Megacolon: Quiz


Question 1: Toxic megacolon is mainly seen in ulcerative colitis and pseudomembranous colitis, two chronic ________ of the colon.
Leukocyte extravasationInflammationMeningitisVasculitis

Question 2: In Central and ________, the most common incidence of chronic megacolon is that observed in ca.
South AmericaLatin AmericaNorth AmericaAmericas

Question 3: In stable cases, use of ________ and bulking agents, as well as modifications in diet and stool habits are effective.

Question 4: In more extreme cases, the feces consolidate into hard masses inside the colon, called fecalomas (literally, fecal tumor), which can require ________ to be removed.
Cardiothoracic surgeryICD-9-CM Volume 3SurgeryNeurosurgery

Question 5: Why T. cruzi causes the destruction, however, remains to be elucidated: there are evidences for the presence of specific neurotoxins as well as a disordely ________ reaction.
Toll-like receptorAdaptive immune systemImmune systemLymphatic system

Question 6: ________ and other anti-inflammatory medication is used in toxic megacolon.
MineralocorticoidCorticosteroidSex steroidGlucocorticoid

Question 7: 20% of patients affected with ________.
Chagas diseaseLeishmaniasisAfrican trypanosomiasisVisceral leishmaniasis

Question 8: When megacolon worsens and the conservative measures fail to restore transit, ________ may be necessary.
Cardiothoracic surgeryICD-9-CM Volume 3SurgeryNeurosurgery

Question 9: It is probably due to an excessive production of ________, at least in ulcerative colitis.
Carbon monoxideHydrogen sulfideNitric oxideNitrous oxide

Question 10: Also called Hirschsprung's disease, it is a congenital disorder of the colon in which ________ of the myoenteric or Auerbach's plexus in its walls, also known as ganglion cells, are absent.
Nervous systemPhotoreceptor cellGlial cellNeuron

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