GI tract anatomy, hepatobiliary and pancreatic pathology, and classic GI disease presentations tested on USMLE Step 1.
About this set
45 mixed cards for USMLE Step 1 Gastroenterology. Set 1 of 5 in USMLE Gastroenterology. It opens with "Which major artery supplies the foregut (stomach to proximal duodenum, liver" and "Which major artery supplies the midgut (distal duodenum to proximal two-thirds". Study it alongside the other USMLE Step 1 sets below.
45 cards · mixed cards · AI-written, checked twice. Edit anything.
- Which major artery supplies the foregut (stomach to proximal duodenum, liver, pancreas, spleen)?
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Celiac trunk (celiac artery)- Which major artery supplies the midgut (distal duodenum to proximal two-thirds of the transverse colon)?
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Superior mesenteric artery (SMA)- Which major artery supplies the hindgut (distal one-third of the transverse colon to the upper rectum)?
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Inferior mesenteric artery (IMA)- What anatomic landmark marks the duodenojejunal junction?
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Ligament of Treitz- Meckel's diverticulum is a remnant of which embryologic structure?
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The vitelline (omphalomesenteric) duct- What three structures make up the portal triad?
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Proper hepatic artery, portal vein, and common bile duct- The pectinate (dentate) line marks the transition between which two embryologic tissue origins in the anal canal?
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Endoderm (hindgut) above and ectoderm below- Where are Brunner's glands located and what do they secrete?
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Submucosa of the duodenum; they secrete alkaline mucus to neutralize stomach acid- What do gastric parietal cells secrete?
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Hydrochloric acid (HCl) and intrinsic factor- What do gastric chief cells secrete?
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Pepsinogen- Gastrin is secreted by G cells, located mainly in the ____ of the stomach.
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antrum- What is the function of Kupffer cells in the liver?
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Resident macrophages that phagocytose bacteria and debris from portal blood- What is the function of hepatic stellate (Ito) cells?
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Store vitamin A at rest; become activated to produce collagen and cause fibrosis after liver injury- Which zone of the liver lobule is most susceptible to ischemic injury?
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Zone 3 (centrilobular/pericentral)- Which zone of the liver lobule is affected first by viral hepatitis and by ingested toxins?
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Zone 1 (periportal)
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