Which two veins join to form the portal confluence?

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Prepare for the Ultrasound Registry (URR) Exam with focused practice on abdomen topics. Use flashcards and multiple choice questions with hints and explanations. Achieve exam success with comprehensive study materials.

Multiple Choice

Which two veins join to form the portal confluence?

Explanation:
The portal confluence is where the splenic vein joins the superior mesenteric vein behind the neck of the pancreas to form the main portal vein. This union creates the single vessel that leads blood into the liver for processing. The hepatic veins drain the liver into the IVC, not into the portal confluence, and the splenic artery is an artery, not a vein, so it doesn’t participate in forming the portal vein.

The portal confluence is where the splenic vein joins the superior mesenteric vein behind the neck of the pancreas to form the main portal vein. This union creates the single vessel that leads blood into the liver for processing. The hepatic veins drain the liver into the IVC, not into the portal confluence, and the splenic artery is an artery, not a vein, so it doesn’t participate in forming the portal vein.

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