7.5 – Bone disorders Flashcards
stress fracture is…
a break caused by abnormal trauma to a bone
ex. fractures from falls, athletics, auto accidents, and military combat
pathological fracture is…
a break in a bone weakened by some other disease, such as bone cancer or osteoporosis
usually caused by a stress that would not normally fracture a bone
fractures are also classified according to direction of ___ ___
fracture line
fractures are also classified by whether the ___ is broken
skin
fractures are also classified by whether a bone is merely ___ or broken into ___ ___
cracked
separate pieces
a non displaced fracture is one in which…
the bone pieces remain in proper anatomical alignment
a displaced fracture is one in which…
at least one piece is shifted out of alignment with the other
a comminuted fracture is one in which…
a bone is broken into 3 or more pieces
a greenstick fracture is one in which…
the bone is incompletely broken on one side but merely bent on the opposite side
T or F:
a hard callus is composed of fibrocartilage
false
a hard callus is made of bone
what is a mass of blood in the tissues called?
hematoma
T or F:
most fractures are treated using closed reduction
true
open reduction is more rare bc most fractures don’t require surgery
a fracture in a healthy bone caused by abnormal trauma, like a fall, is classified as a ___ fracture
stress
what often cause the loss of bone mass seen in osteoporosis in older women?
a loss of estrogen
during fracture healing, cartilage is deposited in granulation tissue to form which of the following?
a soft callus
