Bones

Place the following steps of bone repair in order

Blood clotting in formation of a fracture hematoma, removal of dead bone cells by osteoclast, formation of fibrocartliaginous callus, remodeling of bone at the site

The function of osteoclast is to

Break down bone matrix

In the embryonic development of long bones, ....., secrete, and form a shaft of ....

Chondrablast, hyaline cartilage

A long bone consist of a shaft, or .... , and a .... At each end.

Diaphxsi and eohiazis

The articular Cartlidge of a long bone covers the

Distal epiphysis, proximal epiphysis

Flat bones like which of the following?

Medullary cavity

In a long bone, yellow bone marrow is found in the ... and red bone marrow is found in the ....

Medullary cavity, spongy bone

How does the skeletal system facilitate body movement?

Muscles attached to the bones and causes movement when they contract

All of the following statements accurately describe bone cells, except

Osteoblasts secrete enzymes to break down bone matrix.

Which of the following accurately compares the different types of bone cells?

Osteoblasts synthesize bone matrix, osteoclasts break down bone matrix, and osteocytes maintain bone tissue structure.

If you we're giving an oral report on bone repair, all of the following would be points in your presentation except

Osteocytes transform the fibrocartlaginous callus into bone

All of the following are functions of the skeletal system, except

Production of white blood cells

Long bones are adapted for all of the following, except

Protecting internal organs

Osteoporosis results from a higher rate of bone ....relative to .....

Reabsorption, deposition

Which best describes a comminuted fracture?

The bone is crushed into three or more pieces

The axial skeleton consist of bones in all of the following body regions except

The pectoral girdle

How are osteoblast delivered to the areas where long bone forms?

They arrive in the blood as blood vessels penetrate the bone template.

Which of the following is not true about the formation of flat bones?

They develop through endochondral ossification

Which type of fracture results when a bone is crushed into pieces?

comminuted fracture

Which of the following accurately list the layers of long bones, from superficial to deep?

compact bone, spongy bone, medullary cavity

If the end of a broken bone pierces the skin, the fracture is considered a

compound fracture

The medullary cavity of a long bone is located inside the

diaphysis

Which substance forms the framework on which long bones will be based?

hyaline cartilage

Red bone marrow is found in all of the following, except

in the medullary cavity of long bones

All of the following are part of the appendicular skeleton, except

neck

The cells that build up bone tissue are called

osteoblasts

Which cells are responsible for removing dead bone tissue during the bone repair process

osteoclasts

Which of the following structural elements are unique to compact bone?

osteons

All of the following are long bones, except

rib

All of the following bones are classified as long bones except

ribs

The patella is an example of which bone type

sesamoid

The carpals of the wrist are examples of which bone type?

short

Moving from deep to superficial, the layers covering bone marrow are

spongy bone, compact bone, periosteum

What is the purpose of the central canal in osteons?

to provide space for the passage of blood vessels and nerves

All of the following are components of an osteon, except

trabeculae

Which of the following is not a flat bone?

vertebra

Which is an example of an irregular bone?

vertebrae

Which of the following statements accurately compares two types of fractures

A greenstick fracture is a partial break, whereas a comminuted fracture occurs when a bone is crushed into three or more pieces.

Which of the following statements accurately describes the exterior structures of a long bone?

A long bone consists of a diaphysis (shaft) and an epiphysis at each end.