This document discusses arteriosclerosis, which widens a blood vessel's lumen. It asks about the tunica layer that distinguishes oxygenated vessels, providing options of media, externa, interna. Finally, it asks to identify the erroneous relationship between a type of capillary and tissue, providing options of continuous capillary-skin-tight junction, fenestrated capillary muscle -incomplete basement membrane, sinusoidal capillary liver discontinued basal lamina, and fenestrated capillary-kidney-pore with diaphragm.