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Which outcome appears when laminar flow transitions within hypodermic needle?

A)Increased pressure drop to injection site
B)Decreased drug viscosity from shear
C)Predictable fluid velocity stabilizes fully
D)Reduced thermal heating from fluid friction

💡 Explanation

Increased pressure drop will occur; the increasing fluid velocity introduces turbulence. Increased inertial forces in relation to viscous forces via the Reynolds number cause the transition to turbulent flow, therefore additional energy will be dissipated rather than smooth flow because turbulence increases friction.

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