Exam 6: Bones and Skeletal Tissues

What is the structural unit of compact bone?

The cell responsible for secreting the matrix of bone is the .

Osteogenesis is the process of .

Which of the following statements best describes interstitial growth?

The term osteoid refers to the organic part of the matrix of compact bones.

Compact bone is replaced more often than spongy bone.

What tissue forms the model for endochondrial ossification?

Bones are constantly undergoing resorption for various reasons. Which of the following cells accomplishes this process?

Figure 6.1Using Figure 6.1, match the following bone types with the numbered structure: -What is a disease of the bone in which bone reabsorption outpaces bone deposit, leaving the person with thin and often very fragile bones?

A fracture in the shaft of a bone would be a break in the .

Each consecutive bone lamella has collagen fibers that wrap in alternating directions.

While on spring break from college, June fell on the pavement and broke her wrist. At the emergency room, a resident placed a cast on her wrist after manipulating the bones. It seemed to heal within a few months. Now, decades later she has noticed lumps in the area where the break happened and she has been complaining of pain. What could be causing the lumps and the pain?

Figure 6.1Using Figure 6.1, match the following bone types with the numbered structure: -Inflammation of bony tissue is called .

Figure 6.1Using Figure 6.1, match the following bone types with the numbered structure: -Bone 6.

Explain why swimming is not generally recommended as an exercise to prevent osteoporosis.

Figure 6.1Using Figure 6.1, match the following bone types with the numbered structure: -Bone 2.

The trabeculae of spongy bone are oriented toward lines of stress.

Johnny fractured the lower third of his right tibia in a skiing accident. The soft tissues in the area were severely damaged and their surgical removal was necessary. After prolonged immobilization, it was found that Johnny was healing very poorly. The explanation offered by the orthopedic surgeon was that vascularization of the fracture site was still inadequate and good healing was absolutely dependent upon an adequate blood supply. Describe how a long bone receives its blood supply and trace the path of nutrient delivery to the osteocytes.

The hormone that is primarily involved in the control of bone remodeling is the parathyroid hormone.

All bones stop growing by the end of adolescence.