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.