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DVT398AF1

USIDMS Extracranial Carotid

QuestionAnswer
What are the principal arteries supplying the head and neck? The right and left common carotid arteries
What is the purpose of valves in the veins? Prevent the retrograde movement of blood
What is the first and largest branch off of the aortic arch? The brachiocephalic artery
What are the highest and lowest pressure areas in the venous system? Highest-left ventricle Lowest-right atrium
Name some high-resistance vessels. External carotid, subclavian, distal aorta, iliac, superior mesenteric
What is most important regarding energy loss in a vessel according to Poiseuille's law? The radius of a stenosis
When standing, what is the hydrostatic pressure at the heart? 0 mmHg
During pregnancy, what can be compressed while lying supine? The inferior vena cava and the iliac veins
How long can a TIA last, but not exceed? 24 hours
What percent of the normal CCA flow volume passes through the ICA? 70%
Created by: arfair1