Chapter 21, Problem 19CP

Summary Introduction

To determine:

The blockage of which branch from the aortic arch would interfere with blood flow to the left arm.

Introduction:

The aortic arch vessel is present above the heart, where it supplies blood to the left and the right arm. This vessel forms the brachiocephalic trunk, right subclavian artery and left subclavian artery. The left subclavian artery supplies the blood to the left arm.