Skeletal System
during the process of ___, an existing tissue is replaced with bone
ossification
which of the following is most likely to be damaged during CPR
xiphoid process
gigantism
condition caused by overproduction of growth hormone before puberty
osteoporosis
condition that reduces bone mass cause easy breakage and limiting ability to repaue
osseous tissue is classified as which of the following
connective tissue
spina bifida
birth defect caused by failure of vertebral laminae to unite
which of the following primary functions of the skeletal system applies to the role of red bone marrow
blood cell production
the process of depositing calcium salts into a tissue is called
calcification
narrow sheets of calcified matrix that form concentric rings are referred to as
lamellae
the bones of the upper arms and thighs are classified as
long bones
which of the following curves develops as a child begins to stand and walk
lumbar
osteocytes
maintain normal bone structure by recycling the calcium salts in the bony matrix around themselves
condyle
rounded articular process
tarsal bone are classified as ___ bone
short
osteopenia
slowing of the ossification process due to aging
the medullary cavity of a long bone is lined with
endosteum
which of the following accounts for almost 2/3 of the mass of bone tissue
calcium phosphate
meatus
canal-like passageway through a bone
rickets is a condition marked by a softening and bending of bones that occurs in growing children, as a result of ___ deficiency
vitamin D3
the maxillary bones articulate with all other facial bones except the
mandible
foramen
rounded passageway for blood vessels/nerves
spongy bone is made up of a network of bony rods or plates called
trabeculae
the organic component of the matrix, which makes up around 1/3 of the mass of the bone, is dominated by
collagen fibers
the bony compartment that supports the brain is called the
cranium
the presence of an epiphyseal line indicates
epiphyseal growth has ended
a primary function of the skeletal system is
maintaining the normal concentrations of calcium and phosphate ions in body fluids
immature, active bone cells that produce new bone matrix are termed
osteoblasts
which of the following is found only in compact bone
osteons
osteomyelitis
painful infection in a bone generally caused by bacteria
two hormones that work together to elevate calcium levels in the body are ___ and ___
parathyroid hormone; calcitriol
process
projection or bump
sinus
cavity within a bone, filled with air
a compound fracture
results in bone projecting through the skin