Bone Composition Final Exam

End of long bones are covered with ____ cartilage

hyaline

The frontal bone(of the skull) would be an example of a ___ bone

flat

A condyle is a bone marking that is considered a ____

projection

What are some functions of bones?

store minerals, red blood cell formation(hematopoiesis), protect organs

The cells which break down bone are the?

osteoclasts

The structural unit of compact bone is the?

osteon

The connective tissue on the outside of a bone, connected to compact bone is called the?

periosteum

The canal that runs through the core of each osteon( the central/haversion canal) is the site of

blood vessels and nerve fibers

the medullary cavity in the diaphysis of a long bone in adults contain

yellow bone marrow

the epiphysis of a long bone

the top of it

Ossification of flat bones during fetal development is termed?

intramembranous ossification

In a ___ fracture, the bone is broken, along with the skin

compound

Which of the following choices would be the first thing to occur in endochondral ossification?

formation of a periosteal bud

This type of bone development occurs through childhood and late adolescence

endochondral ossification

bone remodeling that occurs throughout your life is called.

appositional growth

For bones to maintain their thickess

bone deposition must equal bone reabsorption

What does the perforating canal do?

allows for transport between osteons

Which of the following patients has the highest risk of developing osteoporosis?

sedentary 70 year old women

Site of hemotopoiesis

red bone marrow

Structures that give spongy bone strength

trabeculae

Connective tissue covering the inside surface of the medullary cavity

endosteum

During prenatal development, the skelton begins as

hyaline cartilage

When does the epiphyseal plate close?

end of puberty

Bone building cells

osteoblasts

hairlike channels that connect lacunae to each other

canaliculi

break down bone

osteoclasts

rings that form around the haversian canal

lamella

lines the medullary cavity

endosteum

ossification of the ends of long bones

is produced by secondary ossification centers

repair of a fracture involves the following stages, in this order.

hematoma formation, external/internal callous formation and new blood vessels form, bony callous formation, bone remodeling

A non-displaced fracture is a fracture is which

the ends retain their normal position; no reduction necessary

In endochondral ossification, the primary ossification center forms in the

diaphysis

yellow bone marrow contains a large percentage of

fat