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Chapter 8: Bone

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Which component of bone impedes the distribution of nutrients and oxygen to osteocytes?

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a. Extracellular matrix

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b. Canaliculi

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c. Periosteum

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d. Cell processes

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e. Haversian canals

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Which if the following most accurately describes compact bone?

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a. Predominant bone type in the epiphyses of adult long bones

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b. Also known as cancellous bone

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c. Characterized by the presence of osteons

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d. Lines the medullary (marrow) cavity

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e. Forms the diploë in cranial bones

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In healthy bone canaliculi are likely to contain which one of the following?

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a. Capillaries

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b. Nerve axons

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c. Osteocytic processes

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d. Osteoid

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e. Osteoclasts in resorption lacunae

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Which of the following most accurately describes the endosteum?

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a. Composed of two layers: osteogenic and fibrous

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b. Continuous with the joint capsule

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c. Attached to the bone surface by collagen bundles called Sharpey fibers

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d. Lines the medullary cavity

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e. Contains mature osteocytes

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In the diaphysis of a typical long bone which of the following structures is in closest proximity to the trabeculae of cancellous bone?

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a. Interstitial lamellae

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b. Osteons

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c. Sharpey fibers

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d. Outer circumferential lamellae

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e. Inner circumferential lamellae

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Which “zone” of endochondral ossification in the growing femur of an adolescent is the farthest from that bone’s secondary ossification center?

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a. Zone of hypertrophy

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b. Zone of reserve cartilage

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c. Zone of calcified cartilage

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d. Zone of ossification

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e. Zone of proliferation

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The major lubricant for diarthrotic joints ...

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