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What is the term when a venous system is duplicated?

The innermost lining of the common carotid artery is the:

Please click on the image provided where the transducer would be placed for a transtemporal approach.

Please click on the area of the PCA in the image provided.

Which vein is considered a superficial vein of the lower extremity?

Describe Virchow’s Triad and give a specific example of each component.  There should be each section of Virchow’s Triad specifically listed with an example of each.

Which vessels normally have two veins with one artery?

Squeezing an extremity distal to the area of interrogation is known as: 

Based upon your knowledge of peripheral vascular anatomy, which structure is visualized below and pointed out by the blue arrow?  

Which of the following parameters will most dramatically alter the volume of flow across a vessel? Hint: Think about the equation you learned about regarding the volume of flow.