(exam 3) Questions With Complete Solutions
2 bones make up zygomatic arch Correct Answers zygomatic,
temporal
2 single facial bones Correct Answers mandible and vomer
2nd cervical vertebrae Correct Answers axis
4 principal types of bone cells Correct Answers osteogenic
cells, osteoblasts, osteocytes, osteoclasts
4 sutures of parietal bones Correct Answers sagital (between)
coronal (anterior margin)
lamboidal (posterior margin
squamous ( lateral border)
6 pairs facial bones Correct Answers zygomatic, maxilla,
pallentine, lacrimal, nasal, inferior concha
Abnormal calcification (ectopic ossification) Correct Answers
may occur in lungs, brain, eyes, muscles, tendons, or arteries,
abnormal softness of bones ("ricket" in children, "osteomalacia"
in adults) caused by Correct Answers lack of vitamin D
Accounts for 2/3 of weight of bone Correct Answers calcium
phosphate
,After a fracture of the diaphysis has healed, the thickened region
that results is called the Correct Answers hard callus
An example of a irregular bone Correct Answers vertebrae,
sphenoid bone
angle of mandible Correct Answers where body and ramus meet
ankle and foot bones Correct Answers tarsals, calcaneus, talus,
proximal row of tarsals, distal row of tarsals
appendicular skeleton Correct Answers
articular cartilage Correct Answers layer of hyaline cartilage
that covers the facing surfaces of two bones- allows joint to
move free without friction
as trabeculae grow thicker... Correct Answers calcium
phosphate is deposited in the matrix
attach muscle to bone Correct Answers tendons
auditory ossicles Correct Answers malleus, incus, stapes (three
in each middle ear cavity)
aveolar process in skull found where Correct Answers
mandible, maxilla
Aveolar Process of Mandible Correct Answers
axial skeleton (green) Correct Answers
, base of cranium Correct Answers is divided into three basins
anterior cranial fossa, middle cranial fossa, posterior cranial
fossa)
basic structural unit of compact bone Correct Answers osteon
(haversian system)
blood vessels penetrate the Correct Answers bony collar and
invade primary ossification center
body of vertebrae Correct Answers mass of spongy bone
*contains red bone marrow, covered with thin shell of compact
bone, weight baring portion, rough superior and inferior surfaces
provide firm attachment for intervetebral disc
bone combines Correct Answers the polymer, collagen, with
ceramic, hydroxyapatite and other minerals,
bone consists of Correct Answers cells, fibers, ground
substance
bone elongation Correct Answers result of cartilage growth
within epiphyseal plate
bone is a Correct Answers composite (composed of 2 or more
basic structural materials, a ceramic and a polymer)