A&P Chp 7: Bones

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Endochondral ossification ______, whereas intramembranous ossification ______. A. replaces hyaline cartilage; replaces undifferentiated connective tissue B. forms bone in broad, flat areas of the skull; occurs in the limbs C. deposits calcium salts; activates osteoclasts D. activates osteocytes; stimulates osteoblastsE. replaces undifferentiated connective tissue; replaces hyaline cartilage

A. replaces hyaline cartilage; replaces undifferentiated connective tissue

Which of the following is not a step in endochondral bone formation?

Hyaline cartilage changes to adipose tissue.

Which of the following is the form in which calcium is found in the inorganic matrix of the bone?

Hydroxyapatite

Which of the following is(are) an example of an intramembranous bone?

Broad, flat skull bones

It is possible to determine if a child's long bone is growing by examining a radiograph of the ___________________

epiphyseal plate

It is possible to determine if a child's long bone is growing by examining a radiograph of the

epiphyseal plate.

The membranous soft spots of a newborn's skull are called ______.

frontanels

articular cartilage is

hyaline cartilage

The microscopic bony chambers that house mature bone cells are called______________

lacunae

Articular cartilage of a long bone is found

on the outer surface of the epiphyses

The presence of lacunae, calcium salts, and blood vessels would indicate ________.

osseous tissue

Sex hormones stimulate

ossification of epiphyseal plates.

The cells responsible for removing excess bone tissue after the fracture repair process are _____________________

osteoblasts

Cells that remove excess bone tissue after fracture repair are

osteoclasts and phagocytes.

Which of the following is not found in spongy bone?

osteons

Red bone marrow functions in the formation of

red blood cells, white blood cells, platelets

Which of the following is not found in spongy bone?A. Trabeculae B. Osteons C. Canaliculi D. OsteoblastsE. Periosteum

Osteons

The white material that reduces friction at the ends of bones is called

articular cartilage

A bone thickens

as compact bone is deposited beneath the periosteum of the diaphysis.

An osteocyte is a __________________

bone cell surrounded by matrix

Osteoclasts are

bone cells that resorb bone tissue

Osteoclasts are _____________

bone cells that resorb bone tissue

Osteoblasts are ______, whereas osteocytes are ______.

bone-forming cells; mature bone cells Osteoclasts are

Endochondral ossification ______, whereas intramembranous ossification ______.

replaces hyaline cartilage; replaces undifferentiated connective tissue

A compound fracture

results when the broken bone is exposed to the outside.

The presence of an epiphyseal plate indicates that:

the bone is lengthening.

Compact bone has ________, whereas spongy bone has __________.

tightly packed tissue that is solid, strong, and resistant to bending; cancellous bone that reduces the weight of bone


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