Ch 4
List the 5 basic functions of bone: correct answers *Supports framework of body
*Protects vital organs
*Serve as levers for muscle contraction
*Red bone marrow produces red blood cells
*Major storehouse for calcium salts
10 classification of fractures correct answers Incomplete
Transverse
Oblique
Spiral
Comminuted
Avulsion
Butterfly
Segmental
Greenstick
Torus
the two major types of bone correct answers compact and spongy
Osteopetrosis correct answers "Marble bone"
Achondroplasia correct answers most common form of dwarfism
3 types of rheumatoid arthritis correct answers Ankylosing spondylitis- sacroiliac joints
and lower lumbar
Reiter's syndrome- sacroiliac, heels, and toes
Psoriatic arthritis- distal interphalangeal joints
Osteoporosis is difficult to detect because ______ to ______% of the bone density must
be lost before it can be demonstrated on routine radiographs. correct answers 50-70%
Osteochondroma correct answers Benign projection of bone with a cartilaginous cap
that arises in childhood or the teen years, especially about the knee. Aka "exotosis"
Enchondroma correct answers Begins as a slow-growing benign cartilaginous tumor
arising in the medullary canal
Giant cell tumor correct answers Typically arises at the end of the distal femur or
proximal tibia of a young adult after epiphysial closure.