skeletal system chp 8
a small medial projection that provides attachment for the adductor magnus
adductor tubercle
bones of upper and lower limbs girdles of bones attach limbs to axial skeleton pectoral girdle holds upper limbs in place pelvic girdle holds lower limbs in place
appendicular skeleton
the vertebral column includes ___ cervial, ____ thoracic, and __ lumbar vertebrae
7,12,5
bone remodeling is important for all the following reasons except A. bone growth B. changes in bone shape C. adjustments to physical stress D. sodium ion regulation in the body
D. sodium ion regulation in the body
bone formation order
Resting-> Proliferative -> Hypertrophic-> Calcification-> Ossification
Rib 1 articulates with vertebra ______ and the ______.
T1; manubrium of the sternum
framework supports and protects organs spongy bone contains hemopoietic tissue
axial skeleton
surface features that characterize each bone projections -where muscles, tendons and ligaments attach smooth areas -sites of articulation between bones depressions, grooves and opening -where blood vessels and nerves travel
bone markings
axial skeleton location
bones along the central axis of body
Which of these skull bones cannot be easily palpated? frontal temporal occipital parietal ethmoid
ethmoid
If you look at the cross section of a long bone under a microscope, the rings of bone immediately internal to the periosteum of the bone are called _____________.
external circumferential lamellae
forms the face 14 facial bones
facial bones
large projection that provides attachments for many gluteal region muscles
greater trochanter
the anterior pituitary gland secretes _____, which stimulates the formation of ______
growth hormone, somatomedin
smooth spherical shaped structure that matriculates with the acetabulum of the hip bone
head of the femur
the ___ provide passageways for spinal nerves to exit the vertebral column and travel to other parts of the body
intervertebral foramina
a flat bone of the skull is produced by ______ ossification
intramembranous
the type of bone that contains no osteons, but consists of trabeculae composed of parallel lamellae is ____ bone
spongy
the boney projections that can be palpated medially and laterally at the wrist are the___
styloid processes
which bone is not part of the nasal complex? nasal frontal inferior nasal concha temporal ethmoid
temporal
which statement accurately compares the hand and the foot? A. the hand and the foot each have 14 phalanges B. the hand and the foot each have 15 phalanges C. each hand has 14 phalanges, but each foot has 15 phalanges D. each hand has 15 phalanges, but each foot has 14 phalanges
A
which of the following would not be considered part of the skeletal system A. elastic cartilage B. fibrocartilage C hyaline cartilage D. osseous tissue
A. elastic cartilage
in an adult, red bone marrow is found in all of the following bones except the.. A. radius B. ribs C. sternum D. vertebrae
A. radius
hyaline cartilage consists of specialized cells called____ that produce a matrix surrounding themselves.
CHONDROBLASTS
osseous tissue matrix is composed of
calcium phosphate
Which is not a carpal bone? hamate trapezium capitulum scaphoid trapezoid
capitulum
____ is(are) found in compact bone, but not in spongy bone
central canals
when matrix surrounds three cells they become ___ that are trapped in lacunae
chondrocytes
The costal tuberosity is a feature of the:
clavicle
Which bone is not part of the axial skeleton?
clavicle
a smooth, rounded surface that articulates with the tibia
condyle
Girdles
connect limbs to axial skeleton
which steps in formation of calcitriol is regulated by parathyroid hormone?
conversion of calcidiol to calcitriol
forms the rounded cranium -surrounds and encloses the brain roof of the cranium, calvaria composed of -part of frontal bone, parietal bone, parts of occipital bone base of the cranium composed of -portions of ethmoid, sphenoid, occipital, temporal bones
cranial bones
Which feature is unique to the axis?
dens
which is not a site for muscle attachment on the femur? gluteal tuberosity pectineal line linea aspera greater trochanter lateral condyle
lateral condyle
small, medial projection that provides attachment for the iliopspas
lesser trochanter
prominent posterior ridge providing attachments for many muscles including the biceps fermoris short head
linea aspera
which bone is not paired maxilla mandible lacrimal nasal zygomatic
mandible
which bone articulates with all three cuneiform bones?
navicular
the apical ectodermal ridge
plays a role in differentiation and elongation of the limb.
the sternal angle can be used as an anatomical landmark to identify the position of the ___
second rib
most complex structure in skeleton 22 bones composed of cranial and facial bones
skull
Axial skeleton includes
skull, vertebral column, rib cage
the ossicles are
three small bones within each ear.
