Chapter 7: The Skeletal System Flashcards
The five functions of the sksletal system
suport protection assists manufactures blood cells storage of mineral salts
Osteoblasts invade __ and begin the process of ossification
cartilage
The ___ is a fibrovascular membrane that covers bone
Periosteum
The ____ is the membrane that lines the medullary cavity
Endosteum
Bone remodeling is made possible by __ and ___
osteocyte
osteoblast
The process of ossification can be either __ or ___
intromembranous
endochondrial
Correct calcium ion concentration in blood and bone is maintained by __ and ___
calcitonin
parathormone
___ bone is dense and strong while ___ bone is spongy
Compact
Cancellous
An oseton is also called the ___ ___ which allows for the effective metabolism of bone cells
Haversian Canal
The spaces within cancellous bone contain __ __ __, which is responsible for hematopoiesis
red bone marrow
Long bones consist of
Diaphysis
metaphysis
epiphysis
___ bones are enclosed in a tendon and fascial tissue
Sesamoid Bones
An obvious bony prominence is called a
Process
A depression or cavity in or on a bone is called a
Fossae
The skeleton is dived into two parts
Axial
Appendicular
The __ bone is a single bone that forms the posterior base of the cranium
occipital
The anchor bone for the cranium
The atlas Bone
The freely moveable bone of the face
The lower jawbone/ Mandible
The spinal cord passes through a space called the
The neural/vertabral foramen
The largest and strongest vertebrae are those of the __ section of the spine
Lumbar
___ are the bones of the fingers and toes
Phalanges
___ is the manufacture of red blood cells
hematopoiesis
The turbinates are also called the nasal ___ bones
Nasal Concha
Result of abnormal endochondral ossification at the epiphyseal plate of long bones
giantism
lateral curvature of the spine
scoliosis
the laminae of the posterior vertebral arch do not unite at the mid line
spina bifida
Disorder characterized by disease in bone mass with increased susceptibility to fractures
osteoporosis
Rupture of fibrocartilage surrounding an intervertebral disk
herniated disk
Irregular thickening and softening of the bones with excessive bone dstruction
Paget’s disease
Swayback
Lordosis
Strongest portion of the hip bone
Ischium
Accentuated curvature of the spine in the upper thoracic region
kyphosis
Second vertebra
axis
Direct articulation with the sternum
True ribs
Indirect articulation with the sternum
false ribs
Do not attach anteriorly
floating ribs
bones of the writs
carpals
Anvil
Incus
Kneecap
Patella
Give rise to osteoblasts
osteoprogenitor
immoveable joint line of the cranium
suture
tie bones to bone
ligaments
tongue attached to it
hyoid
Which of the following is not a function of the skeletal system? support protection nutrient absoprtion movement storage of mineral salts
nutrient absorption
Longitudinal growth of the bone continues until approximately what age in boys?
16
Undifferentiated bone cells are called
osteoprogenitors
the skeletal system is most closely associated with which system
muscular
The hormones responsible for proper calcium balance in the body are
parathormone and calcitonin
Osteomalacia in adults is known as what disease in children
rickets
Hematopoiesis takes place in which type of bone
cancellous
The haversian system is necessary for
effective metabolism of bone cells
Blood cells in all stages of development are found in
red marrow
bones can be divided into how many categories based on shape
5
Long bones have a shaft called a
diaphysis
the medullary shaft is filled with
yellow marrow
examples of flat bones are
ribs and scapula
a sesamoid bone is the
patella
which of the following is not a process meatus condyle tubercle crest trochlea
meatus
which of the following is not a fossa suture sinus trochanter sulcus foramen
trochanter
Which two bones form the upper sides and roof of the cranium
parietal
the cheekbones are which bones
malar?
bones act as storage areas for mineral salts and
fats?
which bone of the axial skeleton has no articulation with other bones
hyoid?
there are how many sections of the spine
5
the two sections of the spine that consist of fused bones are the
coccygeal and sacrum
Abnormal curvature of the spine in the lumbar region is known as swayback or
lordosis
The manubrium articulates with the
clavicle
the lower five pairs of ribs are called the
false ribs
two bony projections of the scapula are called the
coracoid processes
the longer bone of the forearm is the
ulna
the coxal bones make up the
pelvic girdle
The longest and heaviest bone of the body is the
femur
The shinbone is the
tibia
which of the foot bones is the largest
calcaneus
decreased height of the longitudinal arches is known as
pes planus
which of the following is not a bone of the axial skeleton sternum occipital xiphoid raidus coccyx
radius
which of the following is not a bone of the appendicular skeleton ulna ribs femur patella calcaneus
ribs
which attaches bone to bone
ligament
the metaphysis consists mainly of
spongy bone
what is the name for the two deep cavities in the upper portion of the face that protects the eyes
orbits
during labor and birth, epidural anesthetics are commonly given in
the lumbar region