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ch 7 practice ques
| Question | Answer |
|---|---|
| Compact bones make up blank of bone mass | 80% |
| What is the function of cartilage | Attaches bone to bone |
| Ligaments and tendons are made of | Dense regular connective tissue |
| Functions of bones | Protection support mineral storage blood cell formation |
| Which organs are protected by bones | heart lungs brain reproductive organs |
| Bones provide structural support for the body by serving as a blank for the entire body | framework |
| Process of blood cell production is called | hemopoiesis |
| Groups of Bones serve as attachment sites for | skeletal muscles |
| Bones form through endochondral ossification | vertebrae Upper Limb bones lower limb bones |
| External surface of short bones consist of | compact bone |
| interior surface of short bones consist of | spongy bone |
| Articular cartilage | helps reduce friction in joints composed of hyaline cartilage it covers epiphysis |
| secondary | In endochondral ossification blank ossification centers form in the epiphysis of long bones |
| the expanded end of a long bone is called | Epiphysis |
| examples of flat bones | shoulder blades breast bone sternum bones of the roof of the skull |
| the Cylindrical space within the diaphysis of the long bone is called | the medullary cavity |
| the elongated cylindrical shaft of the long bone is called | diaphysis |
| based on shape bones that have elaborate complex shapes are classified | Irregular bones |
| Chondrocytes occupy small spaces called | Lacunae |
| Cartilage is what type of tissue | Connective |
| The region in the diaphysis of a long bone where the bone replaces cartilage through endochondral ossification is called the blank ossification Center it is the first major Center of bone formation | primary |
| mature bone cells are called | osteocytes |
| Central canals of osteons | they are a cylindrical Channel that contains contains blood vessels nerves |
| The process of bone formation | ossification |
| the most common type of bone | long bone |
| bones produced through intramembranous ossification | flat bones of the skull mandible and maxilla |
| bone remodeling begins during | embryologic development |
| Osteoclast | they are phagocytic they resorb bone matrix they have ruffled borders |
| Type of ossification that begins with a hyaline cartilage model is | endochondral ossification |
| osteoprogenitor cells | are stem cells in producing cell that becomes an osteoblast |
| another name for calcification of bone is | mineralization |
| Bone growth in diameter is called | appositional growth |
| microscopic arrangement of spongy bones | contains no osteons contains parallel lamellae contain lacunae and canaliculi |
| Calcium is required for | blood clotting stimulation of the heart initiation of muscle contraction |
| growth from within cartilage is called | interstitial growth |
| Decreased bone mass can cause a disease called | osteoporosis |
| the role of estrogen and testosterone on maintenance and bone growth is to | stimulate osteoblast and promote official plate growth enclosure |
| cancellous or trabecular bone is also called | spongy bone |
| Which tissue types are found in bones | blood tissue nervous tissue osseous connective tissue |
| woven bone | form during intramembranous ossification not well organized replaced by lamellar bone |
| Concentric lamellae of Osteons | They have rings of bone tissue they contain collagen fibers their numbers vary among osteons |
| glucocorticoids are released from the | adrenal cortex |
| an osteon is the basic functional and structural microscopic unit of mature | compact bone |
| calcitonin | is produced in the thyroid gland and has the greatest effect on children's blood calcium levels |
| lamellar bone it becomes the compact bone of flat bones it replaces trabeculae of woven bones it becomes the spongy bone of flat bones it's also called secondary bone | it becomes the compact bone of flat bones it replaces trabeculae of woven bones it becomes the spongy bone of flat bones it's also called secondary bone |
| Periosteum | composed of dense irregular connective tissue anchor blood vessels to the surface of Bones covers the outer surface of the diaphysis of a long bone helps heal bone fractures |
| Appositional growth of cartilage | stem cells in the perichondrium undergo mitosis committed cells become chondroblasts new Matrix is produced at the periphery of the cartilage |
Created by:
Drethebomb29!