Biology, 07.10.2019 00:00 Jazminfun70
A2-year-old boy swallows a penny. the boy's mother checks his stool for several days, but the penny does not appear. meanwhile, the boy has lost his appetite and seems to have difficulty eating. when a foreign object is swallowed, it often lodges at which portion of the gut?
anus
duodenum
ileocecal sphincter
lower esophageal sphincter
Answers: 3
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