Ch. 6 Bones and Skeletal Tissue JEOPARDY!! With your host Mrs. Colson

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1 Ch. 6 Bones and Skeletal Tissue JEOPARDY!! With your host Mrs. Colson

2 Classification & Function Bone Structure Bone Development Remodeling & Repair RANDOM! FINAL JEOPARDY!!

3 Classification & Function: 10 How many bones are in the human skeleton? Answer: 206 named bones

4 Classification & Function: 20 What are four shapes that bones are classified into? Answer: Long, short, flat & irregular bones

5 Classification & Function: 30 Name 3 of the 5 functions of bones. Answer: Support, protection. Movement, Mineral & growth factor storage, blood cell formation

6 Classification & Function: 40 Which bones belong to the appendicular skeleton? Answer: Bones of upper & lower limbs and the girdles (shoulders & hips)

7 Classification & Function: 50 What is hematopoiesis and where does it occur? Answer: Blood cell formation. Occurs in the marrow cavities of certain bones

8 Bone Structure: 10 A Proximal Epiphysis B Diaphysis Identify the structures labeled on the picture. C Distal Epiphysis D Articular cartilage (Be sure to use the letters)

9 Bone Structure: What membrane covers the outside of bone? Answer: Periosteum 2. What membrane covers the inside of bone and trabeculae? Answer: Endosteum

10 Bone Structure: 30 Draw a cross section of an osteon and label the following structures: Lamella Osteocyte Central Canal

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12 Bone Structure: 40 What are the organic components of bone? Answer: cells (osteogenic, osteoblasts, osteocytes & osteoclasts) and osteoid.

13 Bone Structure: 50 What is diploë? Answer: The spongy bone in flat bones

14 Bone Development: 10 What is ossification? Answer: the process of bone formation

15 Bone Development: 20 Before week 8, the skeleton is made of fibrous membranes and hyaline cartilage? Why? Answer: They are flexible & resilient and can accommodate mitosis

16 Bone Development: 30 Which bones are formed through intramembranous ossification? Answer: A membrane bone, cranial bones of the skull and the clavicles

17 Bone Development: 40 Once ossification is complete in a long bone, what two locations still have hyaline cartilage? Answer: on the epiphyseal plate and articular cartilages

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19 Bone Development: 50 Which hormone stimulates epiphyseal plate activity during infancy and childhood? Answer: Growth Hormone

20 Remodeling & Repair: 10 Bone remodeling involves two processes (bone deposit and bone resorption). What two factors control when/where these processes occur? Answer: Negative feedback hormonal mechanism, maintains Ca +2 homeostasis in blood. The othere responds to gravitational & mechanical forces acting on skeleton

21 Remodeling & Repair: 20 Which hormone is released when calcium levels in the blood decline? Answer: Parathyroid Hormone (PTH)

22 Remodeling & Repair: 30 Comminuted fractures are more common in while fractures are common in children. Answer: Aged, Greenstick

23 Remodeling & Repair: 40 Draw a quick sketch of a long bone being loaded (stressed) that shows why they can hollow out to make the medullary cavity. Answer: see p. 190

24 Remodeling & Repair: 50 Write the type of fracture to match the descriptions; 1. Bone ends are out of alignment. a) Displaced fracture 2. Bone broken through. a) Complete Fracture 3. Orientation of break is parallel to long axis of bone. a) Linear fracture 4. Bone ends penetrate skin. a) Open (compound) fracture

25 Random!: 10 What are the functions osteoblasts and osteoclasts? Answer: Bone builders, destroyers

26 Random!: 20 What is the function of Sharpey s fibers? Answer: Connects periosteum to bone

27 Random!: 30 How is red marrow and yellow marrow different? Answer: The difference between red and yellow bone marrow is the function that they carry out. Red bone marrow produces blood cells, is active and divides cells. Yellow bone marrow is the producer of blood cells during an emergency, is inactive and contains fat. Where do you find yellow marrow? Answer: Medullary cavity

28 Random!: 40 What are the three types of cartilage? Answer: Hyaline, Elastic, Fibrocartilage Circle the one that is most abundant.

29 Random!: 50 What are three common treatments and/or preventative measures against osteoporosis? Answer: Calcium & Vitamin D supplements, weight bearing exercises & hormone replacement therapy

30 Final Jeopardy Enter your wager Topic = Bone Repair

31 FINAL JEOPARDY! What are the four stages in the healing of a bone fracture? Answer: 1. Hematoma formation 2. Fibrocartilaginous callus formation 3. Bony callus formation 4. Bone remodeling

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