Which Statement Best Describes Boundary Layer Separation in the Carotid

Multiple Choice

Which statement best describes boundary layer separation in the carotid bulb?

A) Flow moves forward on the wall opposite the flow divide between the internal and external carotid arteries.
B) Both forward and reverse flow patterns are present as a result of dilatation of the carotid bulb and the presence of a pressure-flow gradient on the posterolateral wall of the bulb.
C) Forward flow is seen on the wall opposite the flow divide, whereas reverse flow is seen on the anterolateral wall of the bulb.
D) Disordered flow patterns are seen in the carotid bulb as a result of thickening of the arterial intima.