Osteology Part 2
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| How many bones in typical adult skeleton? | 206
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| What are the 2 main skeletal divisions that make up bony framework of body? | Appendicular and Axial
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| What are the 4 main parts of Appendicular skeleton? | Pelvic girdle, shoulder girdle, upper limbs & lower limbs (extremities)
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| What are the 4 main parts of Axial skeleton? | Ribs, skull, sternum, & vertebral column
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| Strong, dense outer layer of bony tissues is called? | Compact bone
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| Inner, less dense trabeculated portion of the bone is called? | Spongy bone
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| Central cylindrical canal of long bones is called? | Medullary cavity
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| Tough, fibrous connective tissue that covers the bone (except at articular ends) | Periosteum
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| Name the 5 classifications of bones | Flat, long, short, irregular,& sesamoid
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| What classification does the Tibia belong in? | Long
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| What classification does the Lunate belong in? | Short
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| What classification does the Radius belong in? | Long
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| What classification does the Patella belong in? | Sesamoid
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| What classification does the Scapula belong in? | Flat
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| What classification do Facial bones belong in? | Irregular
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| What classification does the Vertebrae belong in? | Irregular
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| Define Long bones | Consist of a body and 2 articular ends.
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| Define Short bones | Consist of spongy tissue and have a thin layer of compact bone
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| Define Flat bones | Consist of compact bone in form of 2 plates that enclose a layer of spongy tissue
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| Define Irregular | Are a peculiar shape, can't be classified as long, short, or flat
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| Define Sesamoid | Are small oval bones that develop in/near tendons and function to protect tendons from excessive wear
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| How many bones are in the axial and in the appendicular skeletal? | Axial = 80 bones. Appendicular = 126 bones
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| T/F: The appendicular skeleton protects the head & trunk? | False
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| The appendicular skeleton provides means for what? | Movement
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| Trabeculae is filled with what? | Red & yellow marrow
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| What does red marrow produce? | Red & white blood cells
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| Stores fat cells | Yellow marrow
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| Medullary cavity contains? | Trabeculae filled with yellow marrow
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| T/F: Medullary cavity contains red marrow found in ends of long bones | True
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| What lines marrow cavity | Endosteum
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| What term in bone development applies to the development and formation of bones? | Ossification
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| Bone development begins in what month of embryonic life? | 2nd
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| What are the 2 bone development processes? | Intermembranous and Endochondral
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| Flat bones are formed by ______ ossification? | Intramembranous
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| Short, irregular, & long bones are created by _____ ossification? | Endochondral
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| Endochondral ossification occurs from 2 distinct centers of development, they are? | Primary and Secondary
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| Primary ossification begins before____ and forms_____ of long bones | Birth; long central shaft
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| Secondary ossification occurs ____ birth when separate bones begin to develop at ______of long bones | After; both ends
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| What are the ends of the long bones called in secondary ossification | Epiphyses
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| What classification does the Femur belong in? | Long
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| What classification does the Humerus belong in? | Long
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| What classification does the Carpal bones (wrist/ankles) belong in? | Short
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| What classification does the Cranium belong in? | Flat
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| What classification does the Sternum belong in? | Flat
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| Diploe is what? | The flat bones middle layer of cancellous bone
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| What classification does the Pelvis belong in? | Irregular
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| All of the following are functions of the skeleton, EXCEPT A. attachment for muscles; B. storage for calcium, phosphorus, & other salts; C. production of minerals; D. production of red/white blood cells | Production of minerals
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| Which of the following can be palpated to T7? A. Jugular notch; B. Sternal angle; C. Inferior angle of the scapula; D. Xiphoid process | Inferior angle of the scapula
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