the structure behind the horizontal part of duodenum is () A: Hepatic portal vein; B: Hepatic vein; C: Inferior vena cava. D: Superior mesenteric artery; E: Inferior mesenteric artery

Some patients develop ileus, by X - ray, it is caused by vascular compression, the blood vessels is () A: Gastroduodenal arteries and veins B: Superior mesenteric arteries and veins C: Inferior mesenteric arteries and veins D: Proper hepatic artery E: Splenic arteries and veins

When the medicine is injected into the mesenteric vein, the direction of the needle should be toward the intestine. The bleeding point of injection site should be ligated in time to stop bleeding. ( )

Short gastrc arteries usually arise from the A: Splenic artery. B: Caudate lobe of the liver. C: Hepatic artery. D: Superficical mesenteric artery. E: Gastric artery.

Therightrenalartery A: Arises from the abdominal aorta near the level of the inferior mesenteric artery B: Passes posterior to the inferior vena cava C: Supplies the only arterial branches to the right suprarenal gland D: Is shorter than the left renal artery E: Is the usual source of the right testicular (or ovarian. artery