Chapter 8: Bone
Which component of bone impedes the distribution of nutrients and oxygen to osteocytes?
Which if the following most accurately describes compact bone?
a. Predominant bone type in the epiphyses of adult long bones
b. Also known as cancellous bone
c. Characterized by the presence of osteons
d. Lines the medullary (marrow) cavity
e. Forms the diploë in cranial bones
In healthy bone canaliculi are likely to contain which one of the following?
e. Osteoclasts in resorption lacunae
Which of the following most accurately describes the endosteum?
a. Composed of two layers: osteogenic and fibrous
b. Continuous with the joint capsule
c. Attached to the bone surface by collagen bundles called Sharpey fibers
d. Lines the medullary cavity
e. Contains mature osteocytes
In the diaphysis of a typical long bone which of the following structures is in closest proximity to the trabeculae of cancellous bone?
d. Outer circumferential lamellae
e. Inner circumferential lamellae
Which “zone” of endochondral ossification in the growing femur of an adolescent is the farthest from that bone’s secondary ossification center?
b. Zone of reserve cartilage
c. Zone of calcified cartilage
The major lubricant for diarthrotic joints is ...