Gross Anatomy USMLE Step 1 Practice Question
A 62-year-old man undergoes emergency laparotomy for hepatic hemorrhage with BP 92/58, HR 118/min, RR 22/min. Intraoperative ultrasound confirms active bleeding from the right hepatic artery. To achieve hemostasis, the surgeon places a finger through the opening posterior to the hepatoduodenal ligament. The patient denies prior abdominal surgery. Which of the following structures forms the posterior boundary of this anatomical opening?
Answer choices
- AFirst part of duodenum
- BHepatogastric ligament
- CPortal triad
- DCaudate lobe of liver
- EInferior vena cavaCorrect answer
- FHepatic sinusoids
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