An arterial dissection is a tear is which layer of the artery?

Prepare for the WCUI/Smith Chason Exit Assessment – Abdomen, Vascular, OB/GYN Test. Enhance your study with flashcards and detailed multiple choice questions, complete with hints and explanations. Master your exit exam with confidence!

Multiple Choice

An arterial dissection is a tear is which layer of the artery?

Explanation:
A arterial dissection begins with a tear in the tunica intima, the inner lining of the vessel. This intimal rupture allows blood to enter the wall and dissect through the tunica media, creating a false lumen. While the endothelium is part of the intima, the lesion is best described as an intimal tear, not a tear in the outer layers.

A arterial dissection begins with a tear in the tunica intima, the inner lining of the vessel. This intimal rupture allows blood to enter the wall and dissect through the tunica media, creating a false lumen. While the endothelium is part of the intima, the lesion is best described as an intimal tear, not a tear in the outer layers.

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