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The study of bone is called
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Which are functions of the skeletal system?
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Unit 2 Chapter 7

Bone Tissue

QuestionAnswer
The study of bone is called Osteology
Which are functions of the skeletal system? Support Acid-base balance Blood formation Protection movement electrolyte balance hormone secretion
The connective tissue that makes up bone is called Blank______ tissue. osseous
What shape is the humerus? Long
Bones such as the carpals that have the same length and width are classified as _________ bones. short bones
Which osseous tissue is found on the surface of bones and composed of tightly arranged parallel osteons? Compact
What is the major producer of blood cells? Red bone marrow
The central space at the ends of long bones is occupied by Blank______. spongy bone
Which best describes osseous tissue? A connective tissue composed primarily of cartilage matrix and collagen A connective tissue consisting of loosely arranged protein fibers A connective tissue with a hardened matrix that makes up bone A connective tissue with a hardened matrix that makes up bone
Where do you find osteogenic cells? Endosteum and periosteum
Bones that are longer than they are wide are classified as Long bones
The calcium-phosphate salt that mineralizes bone tissue is called Blank______. hydroxyapatite
an osteocyte is a what? bone cell
calcitonin is Calcitonin is a hormone secreted by cells in the thyroid when serum calcium levels are high
Which are examples of short bones? Vertebrae Upper arm bone Carpals Most skull bones Carpals (wrist) Tarsal (ankle)
Bone tissue made up of parallel osteons that are tightly packed together is called compact bone
The interior of flat bones is composed of Blank______ bone. spongy
Are flat and long a type of bone?
Compact bone is found where? Compact bone is found on the surface of bones.
Lacunae are located between concentric rings of compact bone tissue called what? Lamellae
Osteons: An osteon is the basic structural unit of compact bone, consisting of a central canal and its lamellae.
Osteogenic cells are stem cells in the endosteum, periosteum, and central canals that can become chondrocytes. T OR F False; Osteogenic cells are stem cells in the endosteum, periosteum, and central canals that can become osteoblasts rather than chondrocytes.
Hydroxyapatite makes up part of which component of the bony matrix? Inorganic; Hydroxyapatite is a calcium phosphate salt and is therefore inorganic (mineral).
Trabeculae are Blank______ plates of bone found in Blank______ bone. thin, spongy
What bone shape are the carpal bones of the wrist? Short
What are the spaces between trabeculae in spongy bone filled with? Bone marrow; More specifically, red marrow is found in the spongy bone of the epiphysis of a long bone, whereas yellow marrow is found in the medullary (marrow) cavity of the diaphysis.
Ossification is Blank______. bone formation
What are the layers of bony matrix in compact bone tissue called? Lamellae
The bones of the skull form by which type of ossification? Intramembranous Intramembranous ossification occurs within a fibrous membranous sheet.
What are the thin plates forming spongy bone called? trabeculae Trabeculae are the bony "spicules" or spikes found in spongy bone.
Where does bone formation occur during endochondral ossification? Hyaline cartilage model; Endochondral ossification occurs within hyaline cartilage.
Bone marrow fills the spaces between trabeculae in Blank______ bone tissue. spongy
Compact bone is comprised of __________ osteons
Which type of bone growth involves the deposition of new tissue at the surface? Appositional growth
The process of bone formation is called Ossification
Mineral deposition into bones begin when? In fetal ossification
The layers of bony matrix arranged around the central canal of an osteon are called Blank______ lamellae. concentric
What is low blood calcium called? Hypocalcemia
As a flat bone is produced by intramembranous ossification, which cells are responsible for the resorption of bone tissue that carves out the spongy bone's trabeculae? Osteoclasts
What do osteoblasts do? Osteoblasts build bone, they do not reabsorb it.
The average adult has Blank______ of phosphorus. 500 to 800 g
Hyaline cartilage is replaced by bone in Blank______ ossification. endochondral
Which hormone has a greater effect on bone growth? Estrogen Testosterone Estrogen
Which type of bone growth occurs within mature bone and results in the bone becoming thicker? Appositional growth Appositional growth is the only type of growth to occur in mature bone.
___________ growth occurs only in immature bone before the epiphyseal plate closes. Interstitial
The branch of medicine dealing with bone disorders is orthopedics
Where does the calcium and phosphate used to mineralize bone come from? The blood
What is a mass of blood in the tissues called? Hematoma
Which condition is characterized by excessive excitability of the nervous and muscular systems due to low blood calcium levels? Hypocalcemia
What often causes the loss of bone mass seen in osteoporosis in older women? A loss of estrogen
Which mineral is more closely regulated by the body? Calcium
Which hormones affect bone growth and development? Calcitonin Estrogen Parathyroid hormone Testosterone
The branch of medicine that deals with skeletal deformities in children is Blank______. orthopedics
Bleeding at the site of a bone fracture results in the formation of a fracture ___________ , a blood clot Hematoma
By age 70, most White and Asian women have lost Blank______ percent of their bone mass 30
Granulation tissue starts out as which of the following in a bone fracture? Bone Hematoma Cartilage Hematoma
A degenerative bone disease characterized by a loss of bone mass and an increased risk of fracture is called Osteoporosis
Created by: Gluis5974
 

 



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