CWU Skeletal System Quiz

Bone growth:

• occurs through the deposition of new bone lamellae onto existing bone or other connective tissue.

• at the epiphyseal plates causes increase in bone diameter/width.

• causing an increase in the length of the bone is called appositional growth.

• is accomplished by the osetoclasts.

• All of these are true of bone growth.

Bone remodeling:

• is essential for maintaining blood calcium levels.

• continues throughout the lifespan of the individual.

• is accomplished by the actions of the osteoclasts and osteoblasts.

• is controlled by the actions of PTH and Calcitonin.

• All of these are true of bone remodeling

What are the most effective preventative measures against the effects of aging on the skeletal system?

• Decreasing physical activity and the amount of stress on the bones.

• Increasing physical activity.

• Ingesting dietary calcium and vitamin D supplements.

• The combination of increasing physical activity and taking dietary calcium with Vitamin D supplements.

• Decreasing your dietary intake of calcium and vitamin D.

The functions of the skeletal system include all of the following EXCEPT:

• support and protection.

• movement and leverage.

• transport of materials via its fluid matrix.

• blood cell production.

• storage of materials.

Bones are a type of

• nervous tissue.

• epithelial tissue.

• connective tissue.

• muscle tissue.

• multi-cellular membrane.

During growth of a long bone, the site of growth in length is the

• medullary cavity.

• marrow.

• epiphyseal plate.

• endosteum.

• periosteum.

The inner surface of bone is covered by a connective tissue layer called the

• lamellae.

• endosteum.

• periosteum.

• epiphysis.

• diaphysis.

A long bone

• has a medullary cavity in the diaphysis.

• has red marrow and yellow marrow in its cavities.

• has endosteum lining in the medullary cavity.

• has an epiphysis as each end.

• Has all of these properties.

Compact bone consists of cells called osteocytes located within spaces in the matrix called

• lamellae.

• central canals.

• canaliculi.

• lacunae.

• medullary cavities.

In compact bone, a central canal, with the lamellae and osteocytes surrounding it is called a(n)

• lacunae.

• osteon.

• canaliculi.

• spongy bone.

• medullary cavities.