During the early years of space exploration our astronauts,who had been floating in space,would return to earth showing significant signs of bone loss depending on how long they were in space how this might happen and what could be done to alleviate this condition?
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- please answer the following question As an adult you realize that you have a family history of osteoporosis suggesting an increased risk of developing it. Based on the information that we have covered develop a protocol that would protect the skeleton and decrease the risk of osteoporosis.As humans age, we lose some of the areas where hematopoiesis occurs. Can you compare which bones serve as hematopoiesis zones in a 10-year-old vs. 30-year-old vs. a 60-year-old?Select the most accu
- Which of the following is/are true of bone? 1. chondrocytes present 2. low ground substance 3. high collagen fiber content 4. lacunae present 5. high reticular fiber content O 1, 2, 3, 4, 5 O 2, 3, 4, 5 O 2, 3, 4 O 1, 2, 3, 4 O 2,5What is the answer ?A 72-year-old man is brought to the emergency department 1 hour after he injured his right thigh when he fell off an all- terrain vehicle. Physical examination shows an offset displacement in the right thigh. An X-ray shows fracture of the right femur. During surgical repair, a metal plate attached with screws is used to align the bone during healing. Which of the following structures must be protected during the operation because it is the source of new bone formation? Bone marrow Cancellous bone Dense bone Joint cartilage Periosteum
- Following a fracture of the humerus, an adult patient has a biopsy of the healing area. Which of the following types of bone will the biopsy most likely show? A. Cancellous B. Compact C. Spongy D. Trabecular E. WovenMatch the following terms below with the correct numbers A cartilaginous articulation that A. Biaxial is slightly moveable Shoulder or hip joint are B. Symphysis examples Found between the bones of the C. Gomphosis skull Elbow joint is an example D. Triaxial Found between teeth and jaw E. Suture Synovial joint able to move in F. Monoaxial two planes Found in the epiphyseal plate in G. Synchondrosis children Bony fusion is its structural H. Synostosis category Found between the tibia and I. Syndesmosis fibulaWhat is osteoma? A condition or degenerative process involving bone A bone tumor Abnormal bone development An instrument for the surgical excision of bone
- Which of the following contributes to the hardness of skeletal bones? the presence of cartilage the presence of proteoglycans the presence of collagen fibers the presence of glycoproteins the presence of inorganic hydroxyapatites étvBones grow in diameter due to bone formation a. in the medullary cavity b. beneath the periostenm c. in the epiphyseal plate d. within the metaphysisWhich of the following is a chronic, progressive, disease of bones and joints caused by degenerative changes in the cartilage? A chondromalacia. B. osteochondroma. C. osteosithritis. D rhenmatoid arthrits.Explain