MA101B ROW 2 Chapter 3

12:02 Clו.nl Cartilage and Bone 15. 单选题 What structure does the circle in the picture refer to? A Periosteum В Osteon C Interstitial lamellae D Outer circumferential lamellae E Inner circumferential lamellae

Lec 13 1. Explain why damaged cartilage takes a long time to heal. What are the advantages of articular cartilage having no perichondrium, blood vessels, or nerves?

Compare and contrast the three types of cartilage

1. What type of fracture does Mrs. DeStephano have?2. What problems can be predicted with such fractures and how are they treated?3. What is internal reduction? Why was a cast applied?4. Given an uncomplicated recovery, approximately how long should it take before Mrs. DeStephano has a good solid bony callus?5. What complications might be predicted by the fact that the nutrientartery is damaged?6. What new techniques might be used to enhance fracture repair if healing is delayed or impaired?7. How likely is it that Mrs. DeStephano’s knee cartilage will regenerate? Why?

10. Why its important in biomechancs field, Internal Fixation and External Fixators of Bone Fracture..   Please TYPE don't WRITE in the paper.

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5:27 - Classroom a docs.google.com One of the following is true about fibroblasts: Line blood vessels and capillaries Secrete collagen and elastic fibers Can differentiate to endothelial cells and smooth muscle cells large cubical cells responsible for storage of fat Osteocytes are stationary cells sitting in small depressions in the bone matrix. These small depressions are called lamellae lacunae osteons With regard to the node of Ranvier :It allows for an increase in the rate of impulse transmission True False O O

EXERCISE 8. REVIEW SHEET The Axial Skeleton Name Lab Time/Date The Skull 1. The skull is one of the major components of the axial skeleton. Name the other two. and What structures does each of these three components of the axial skeleton protect? 2. Define suture: 3. With one exception, the skull bones are joined by sutures. Name the exception. 4. What are the four major sutures of the skull, and what bones do they connect? 5. Name the eight bones composing the cranium. 6. Give two possible functions of the sinuses. 7 What is the orbit? 8. Why can the sphenoid bone be called the keystone of the cranial floor?

1. How do monosodium urate crystals cause gout to develop? 2. What is the main objective clinical finding in fibromyalgia? 3. How do metabolic muscle diseases develop? What causes them? 4. Name one toxic myopathy and explain why it develops. 5. From what cells do bone tumors originate? 6. Compare five major characteristics of benign bone tumors with those of malignant bone tumors. 7. How does the presence of metastatic tumors affect treatment options and prognosis of persons with osteosarcoma?

Compare and contrast compact and spongy bone.

Use this image to identify the bone or bones indicated by each letter (Matching). D E F-[% 112 P Q DENGA ועור B IIK O M U [1] V

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4. A 12-year-old boy is brought to the emergency department 3 hours after falling 7 feet from a tree and injuring his right arm. Physical examination shows a tender, edematous right forearm. An x-ray of the right upper extremity shows a fracture in the middle of the ulna. Which of the following histologic features is most likely to be predominant in the fracture site? A) Bone formation B) Collagen production C) Hematoma D) Inflammatory cells

Discuss the effects of long-duration spaceflight on space-related bone loss. Provide examples of possible countermeasures or treatment solutions.

Please answer 15

What description of osteocyte is wrond

Multiple choice 1. The inner lining of the medullary cavity is a. made of cancellous bone. b. called the endosteum. c. called the periosteum. d. a and c. 2. Which of these tissues is present in a typical long bone? a. blood tissue b. cancellous bone c. compact bone d. dense fibrous tissue e. hyaline cartilage f. all of the above In the coloring figure of the long bone, the epiphyseal plate is shown. Although not mentioned in the lab manual, can you deduce the reason for its presence? 3. a. It is scar tissue from a previous fracture. b. It is an area of growth between the epiphysis and diaphysis during bone development. c. It is callous tissue from overuse of the bone. d. It is the site of a current fracture. 4. The human skeleton functions to a. produce blood tissue. b. store fat and minerals. c. protect vital organs. d. allow movement of the body. e. provide a supporting framework. f. all of the above. 5. Your physician has just informed you that you have 40 bones in your skull. This…

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18 True or False: Probe A as passing through the coronoid process. Structure B (specifically the structure, not the bone):