charlie has a break in the shaft of his thigh bone. He broke the

• epiphysis

• epiphyseal plate

• diaphysis

• articular cartilage

Bone deposition exceeds bone resorption when bones are stressed through compression or tension.

• True

• False

Primary ossification centers develop in long bones in the:

• epiphyses

• periosteum

• diaphysis

• articular cartilage

Whose bone marrow is mostly red?

• elderly

• infants

• middle aged adults

• young adults

Which statement best describes primary bone?

• primary bone has regular arranged parallel

• primary bone contains abundant osteocytes

• primary bone contains higher percentage

• primary bone is stronger than secondary bone

Which hormone, produced by the thyroid gland, works opposite to parathyroid hormone (PTH)?

• estrogen

• calcitonin

• thyroid hormones

• testosterone

Parathyroid hormone (PTH) stimulates effects that increase the blood calcium ion level.

• true

• false

Secondary ossification centers are characteristic of:

• appositional growth

• mesenchymal ossification

• intramembranous ossification

• endochondral ossification

What vitamin deficiency causes rickets in children?

• vitamin c

• vitamin k

• vitamin d

• vitamin a

Place the following steps of bone repair in the correct sequence.

1.The bone callus is remodeled and primary bone is replaced with secondary bone.

2.A hematoma fills the gap between bone fragments.

3.Osteoblasts build a new bone callus.

4.Fibroblasts and chondroblasts infiltrate the hematoma and a soft callus forms.

• 3241

• 3214

• 2431

• 2341