Collateral circulation between the subclavian and external iliac arteries is created by an anastomosis between which of the following structures?
A. Epigastric arteries
B. Lumbar arteries
C. Posterior intercostal arteries
D. Round ligament of the liver
E. Superficial epigastric arteries
Ans: A. Epigastric arteries
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Which diagnostic exam uses an infrared light to determine the amount of oxygenated hemoglobin in the blood?
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