(Week 2)
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| The five functions of bone are: | support, protection, movement, mineral storage, blood cell formation
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| Long bones consist of a _______ and an _______. | diaphysis, epiphysis
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| The _______ is a tubular shaft that forms the axis of long bones. | diaphysis
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| The _______ are the expanded ends of long bones. | epiphyses
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| _______ _______ _______ is contained in the medullary cavity of the diaphysis. | Yellow bone marrow
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| The diaphysis of long bone is composed of _______ bone that surrounds the medullary cavity. | compact
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| The exterior of the epiphysis of a long bone is _______ bone, and the interior is _______ bone. | compact, spongy
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| The joint surface of the epiphysis of a long bone is covered with _______ cartilage. | articular (hyaline)
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| The _______ _______ separates the diaphysis from the epiphyses. | epiphyseal plate or line (aka metaphysis)
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| The _______ _______ is a disk of hyaline cartilage where growth occurs during childhood. It fuses when growth stops. | epiphyseal plate or line (aka metaphysis)
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| Short, Irregular, and Flat Bones have no _______ or _______. | diaphysis, epiphyses
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| Short, Irregular, and Flat Bones contain _______ _______ between the trabeculae. | bone marrow
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| Short, Irregular, and Flat Bones consist of thin plates of periosteum-covered _______ bone on the outside with endosteum-covered ______ bone on the inside. | compact, spongy
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| The spongy bone in flat bones is also called: | diploë
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| In infants, red bone marrow is found in the _______ _______ and all areas of _______ bone. | medullary cavity, spongy
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| In adults, red bone marrow is found in the _______ of flat bones, and in the head of the _______ and _______. | diploë, femur, humerus
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| The _______ is a double-layered protective membrane surrounding bone. | periosteum
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| The outer fibrous layer of the _______ is dense regular connective tissue. | periosteum
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| The inner osteogenic layer of the periosteum is composed of _______ and _______. | osteoblasts, osteoclasts
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| The periosteum is secured to underlying bone by _______ _______. | Sharpey's fibers
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| The _______ is a delicate membrane covering the internal surfaces of bone. | endosteum
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| Osteoblasts _______ bone. | build
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| Osteoclasts _______ bone. | resorb/ break down
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| _______ are star-shaped cells found in bone. They are mature bone cells. | osteocytes
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| _______ become osteocytes. | Osteoblasts
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| The structural unit of compact bone is the: | Osteon or Haversian System
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| The central channel containing blood vessels and nerves is the: | Haversian canal or Central canal
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| The weight bearing columns of concentric rings/matrix tubes composed mainly of collagen are: | lamella
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| The channels lying at right angles to the central canal, connecting blood and nerve supply of the periosteum to that of the central canal are: | volkmann's canals
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| The small cavities in bone that contains osteocytes are: | lacunae
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| The hairlike canals that connect lacunae to each other and the central canal are: | Canaliculus (sing: canaliculi)
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| The _______ is the unmineralized bone matrix composed of proteoglycans, glycoproteins, and collagen. | osteoid
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| True or False: Bone is a dynamic and active tissue, it undergoes continual change, its architecture changes in response to forces placed upon it. | True
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| Rising blood Ca2+ levels trigger the thyroid to release _______, which stimulates calcium salt deposits in bone. | calcitonin
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| Falling blood Ca2+ levels signal the parathyroid glands to release _______, which signals osteoclasts to degrade bone matrix and release Ca2+ into the blood. | PTH (parathyroid hormone)
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| _______ _______ states that a bone grows or remodels in response to the forces or demands placed upon it. | Wolff's law
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| _______ is the most abundant mineral in the body. | Calcium
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| _______ _______ exercise builds denser, stronger bones. | weight-bearing
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
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To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
sdouglass
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