Quiz 8: Bone Tissue

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FALSE

Normal bone growth requires adequate amounts of calcium, phosphate, and vitamin E.

bone-forming cells; mature bone cells

Osteoblasts are ______, whereas osteocytes are ______.

TRUE

Osteoclast activity is increased by parathyroid hormone.

skull, hyoid bone, thoracic cage, and vertebral column.

The axial skeleton includes the

living material and nonliving material

A bone includes

As compact bone is deposited beneath the periosteum of the diaphysis

A bone thickens by

3,2,1,5,4

Arrange the following events in endochondral ossification in proper sequence: (1) Cartilage matrix is calcified and chondrocytes die. (2) Chondrocytes hypertrophy. (3) Cartilage model is formed. (4) Osteoblasts deposit bone on the surface of the calcified cartilage called the primary ossification center. (5) Blood vessels from the periosteum invade calcified cartilage bringing in osteoblasts and osteoclasts.

hyaline cartilage

Articular cartilage is

FALSE

Calcitonin elevates blood calcium levels.

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

Compact bone has ________, whereas spongy bone has __________.

the bone is lengthening

The presence of an epiphyseal plate indicates that:

hydroxyapatite

The type of calcium phosphate forming most of the inorganic salts in bone extracellular matrix is

hyaline cartilage

The type of cartilage associated with bone function and development is

replaces hyaline cartilage; replaces undifferentiated connective tissue

Endochondral ossification ______, whereas intramembranous ossification ______.

Thickens; strengthens

Exercise ______ and _______ bones.

epiphyseal plate

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

FALSE

When blood calcium levels are low, osteoblast activity increases.

TRUE

When blood calcium levels are too low, osteoclast activity increases.

Osteoblasts deposit bone matrix around themselves and become osteocytes when they are isolated in lacunae.

Which is true?

Irregular bones-bones of the backbone

Which of the following four groups of bones, based on shape and with an example of each, is correct?

all of the above

Which of the following is a function of the skeletal system?

Contraction

Which of the following is not a function of bones?

Hyaline cartilage changes to adipose tissue.

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

Osteons

Which of the following is not found in spongy bone?

Broad, flat skull bones

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


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