Which biological tissue exhibits viscoelastic behavior, showing both viscous fluid damping and elastic spring properties under stress?
Answer and explanation
Correct answer: C. Arterial vascular walls and cartilage
- Step 1: Tissues containing elastin and collagen fibers combined with ground substance display time-dependent strain and hysteresis. Step 2. Aortic walls and articular cartilage stretch elastically while dissipating energy viscoelastically, cushioning pulsatile blood pressure. Answer: Arterial vascular walls and cartilage. Why not the others: Pure mineral hydroxyapatite is brittle elastic; enamel is stiff and brittle; albumin in solution is a Newtonian fluid.
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