No Bones About It Science Olympiad Practice Test -

Differentiate between osteoporosis and osteomalacia . (Include the primary mineral deficiency, bone appearance on X-ray, and who is most at risk.)

Audio description (provided by proctor): "I am a sesamoid bone embedded within the quadriceps tendon. I protect the knee joint and increase the leverage of the quadriceps muscle." What bone is being described? Part 2: Bone Markings & Functions (Short Answer) Time limit: 6 minutes | Points: 24 No Bones About It Science Olympiad Practice Test

Which muscle originates on the iliac crest and inserts on the tibia (via the IT band), acting as a major abductor of the thigh? Differentiate between osteoporosis and osteomalacia

Histology slide: Compact bone. Name the structural unit of compact bone, visible as concentric layers of matrix surrounding a central canal. bone appearance on X-ray