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.