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← ScienceWhich risk increases when blood velocity exceeds critical limits in arteries?
A)Endothelial cell activation✓
B)Decreased oxygen diffusion
C)Reduced arterial elasticity
D)Increased red blood cell rigidity
💡 Explanation
Endothelial cell activation will occur. The onset of turbulence via shear stresses activates inflammatory pathways in endothelial cells because the disturbed flow lacks laminar organization, therefore activating the cells rather than maintaining a quiescent state such as in undisturbed laminar flow.
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