Chapter 6 Group 2

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Spongy bone is found primarily at which part of long bones?

Expanded ends, where long bones articulate with other skeletal elements

Which of the following statements about bone tissue is FALSE?

It is made primarily of cells

Which of the following types of bone cells are responsible for removing and recycling bone?

Osteoclasts

Which component of bone is responsible for blood cell formation?

Red bone marrow

One function of bone is to produce red and white blood cells. Thses cells are made in what substance in bone?

Red marrow

Which of the following is an effect of stress on bone?

The bone will become thicker

The basic functional unit(s) of compact bone tissue is/are ___.

an osteon

Unlike compact bone, spongy bone (also called cancellous bone) resembles a network of bony struts separated by spaces that are normally filled with ___.

bone marrow

Narrow passageways that allow osteocytes to communicate with neighboring osteocytes are called ___.

canaliculi

The small passageways that exist in the bone matrix to allow living bones cells to obtain nutrients and get rid of wastes are called __________.

canaliculi

The term for the expanded end of a long bone where the joint surfaces are located is the ___.

epiphysis

Two-thirds of a bone's weight is composed of calcium phosphate which interacts with calcium hydroxide to form crystals of ___.

hydroxyapatite

The spaces in the bony matrix where osteocytes exist are __________.

lacunae

Compact bone is characterized by many cylindrical osteons. Osteons are formed by layers of nested cylinders each called a(n) ___.

lamella

the narrow zone that connects the epiphysis and the diaphysis of long bones is the ___.

metaphysis

Cells that produce new bone matrix are called ___.

osteoblasts

An osteoclasts absorb and remove bone matrix, they leave shallow depressions called a(n) ___.

osteoclastic crypt

Giant, multinucleated cells involved in the process of osteolysis are ___

osteoclasts

Mature bone cells found in lacunae are called ___.

osteocytes

Even as an adult, we have populations of primitive cells that can produce osteoblasts. These primitive cells are called __________.

osteogenic cells

the process of bone breakdown or erosion is called ___.

osteolysis

Canals that extend perpendicularly through bone to supply blood to deeper osteons and to tissues of the medullary cavity are ___ canals

perforating

the meshwork of supporting bundles of fibers that make up spongy bone are ___.

trabeculae

which of the following are NOT structural components of compact bone

trabeculae

Which component of bone stores energy?

yellow marrow


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