A Long Bone Is Able to Withstand Extreme Torsion or Twisting

question 11

Multiple Choice

A long bone is able to withstand extreme torsion or twisting stresses because

• A) the bone is spongelike with many hollow spaces, such as the central and epiphyseal marrow cavities.
• B) within each osteon the collagen fibers and mineral crystals in adjacent lamellae are aligned in opposite directions.
• C) the internal and external surfaces are both covered in irregular connective tissue fibers.
• D) the trabeculae of spongy bone are aligned along stress trajectories.

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Definitions:

16PF

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