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DVT398-HD1

USIDMS Extracranial Carotid

QuestionAnswer
Between the ICA and ECA, which is larger, more posterior, and has a low resistance? ICA
Where in relation to a severe stenosis does a Tardus parvus waveform appear? distal
Which layer of the arterial walls consists of loose connective tissue? tunica adventitia
Which layer of the arterial walls does fibromusclar dysplasia have affects on? tunica media
What difference in mmHg between both the right and left arms is an indication of sublavian steel? Does the affected arm have a higher or lower blood pressure? 20 mmHg difference, affected arm has lower blood pressure
What is it known as when a false lumen is created by the separation of layers in the arterial wall?Which two layers does it occur between most often? arterial dissection, in most cases the separation is between the intima and media layers
What is a special feature that veins have to prevent the retrograde flow of blood? valves
How is the resistance of blood related to the radius of the vessel? proportional, to the power of four
Is flow with a Reynolds number greater than 2,000 considered laminar or turbulent? turbulent
Which category of blood lfow is associated with the absence of respiration? It doesn't have any acceleration or deceleration? steady flow
Created by: hmdant1