Cardiac Vascular Nursing Certification Practice Exam 2025 - Free Cardiac Vascular Nursing Practice Questions and Study Guide

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What is the innermost layer of vascular anatomy called?

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Intima

The innermost layer of vascular anatomy is known as the intima. This layer consists of a thin layer of endothelial cells that provide a smooth lining for the interior of blood vessels, allowing for unobstructed blood flow. The presence of this smooth surface is crucial in reducing friction between the blood and the vessel walls, which is essential for maintaining proper circulatory function.

The intima also plays a role in the regulation of vascular tone and blood flow, and it is involved in various biological processes such as inflammation and thrombosis. Understanding the structure and function of the intima is vital for nurses and healthcare professionals when assessing vascular health and managing conditions related to the cardiovascular system.

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