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ap chap 6

ap chap 6 bones

QuestionAnswer
the structure of bone tissue suits the function. which of the following bone tissues is adapted to support weight and withstand tension stress? compact bone
which of the following glands or organs prodcues hormones that tend to decrease blood calcium levels? thyroid
which of the following is not a function of the skeletal system/ communication
the periosteum is secured to the underlying bone by dense connective tissue called___ perforating (sharpey's) fibers
bones are constantly undergoing resorption for various reasons. which of the following cells accomplishes this process? osteoclast
which structure allows the diaphysis of the bone to increase in length until early childhood as well as shaping the articular surfaces? epiphyseal plate
yellow bone marrow contains a large percentage of fat
wolffs law is concerned with the thickness and shape of a bone being dependent on stress placed upon it
lengthwise, long bone growth during infancy and youth is exclusively through___ intersitial growth of the pephyseal plates
cartilage grows in two ways, appostional and interstitial. what is appositional growth? the secretion of new matrix against the external face of excisting cartilage
ossification of the ends of long bones___ is produced by secondary ossification centers
osteomyelitis is___ due to pus forming bacteria
the universal loss of mass seen in the skeleton, which begins about the age of 40____ reflects incomplete oseon formation and mineralization
spongy bones are made up of a framework called____ trabeculae
what kind of tissue is the forerunner of long bones in the embryo? hyaline cartilage
which of the following statments best describes interstitial growth? chondrocytes in the lacunae divide and secrete matrix allowing the cartilage to grow from within.
a fracture in the shaft of a bone would be a break in the ____ diaphysis
which hormone increses osteoclast actvity to relase more calcium ions into the bloodstream? parathyroid hormone
normal bone formation and growht are dependent on the adequate intake of ___ calcium, phosphate and vitamin d
which of the following is a bone marking name that indicates a projection that helps for joints ramus
what can a deficeincy of growth hormone during bone formation cause? decreased proliferation of the epiphyseal plate cartilage
the term diploe refers to the ___ internal layer of spongy bone in flat bones
cranial bones develop___ within fibrous membranes
the canal that runs through the core of each osteon (the haversian canal) is the site of___ blood vessels and nerve fibers
the process of bones increasing in width is known as___ appositional growth
the most abundant skeletal cartilage type is ___ hyaline
factors in preventing or delaying oseoporosis include___ drinking fluoridated water
in the epiphyseal plate cartilage grows___ by pushing the epiphysis away from the diaphysis
for intramembranous ossification to take place which of the following is necessary? an ossification center forms in the fibrous connective tissue
what are the small spaces in bone tissue that are holes in which osteocytes live called volkmanns canals
the cell responsible for secreting the matrix of bone is the ____ osteoblast
ostealgia is___ pain in a bone
what is the structural unit of ocmpact bone? the osteon
osteogenesis is the process of___ bone formation
in some cases the epiphyseal plate of the long bones of children closes too early. what might be the cause? elevated levels of sex hormones
growth of bones is controlled by a symphony of hormones. which hormone is important for bone growth during infancy and childhood? growth hormone
bones ar covered and lined by a protective tissue called periosteum. the inner (osteogenic) layer consists pirmarily of___ osteoblasts and osteoclasts
Created by: 1353843965
 

 



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