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- Dual Energy Xray Absorptiometry (DEXA) is used to determine bone mineral density and the risk of osteoporosis. Which of the follow statements regarding DEXA is true? a T-score of -4.0 indicates healthy bone mineral density with no risk of fracture during a fall Osteoporotic bone develops in both trabecular and cortical bone The very high levels of radiation used in a DEXA scan make this is a dangerous procedure One of the most common sites to perform a DEXA scan is in the hip area Two of the above statements are trueWhat role do biophysical and biochemical context play in development structure for bone in load bearing?For Total knee prothesis, Titanium,Aluminimum, vanadium and NE how are this material suitable for implantation?
- Describe the action of two drug therapies used to treat osteoporosisSpaced practice question: Name the effector that carries out the response when blood calcium levels are low. osteoprogenitor cell osteocycte osteoblast osteoclastwhat is the difrence between between Bone Ossification and Endochondral Ossification, copare and contrast the two diffrent step proccessess? thank you ;)
- Please Describe in briefly how to manage a casualty with fractured femur in the bush at the site of the accident.?What are the requirements of bone grafts that are being used for tissue engineering applications? Describe briefly bone grafts that are already applied in the clinic. Imagine that you are not seeding cells on the bone graft prior to implantation, you are demanding cell migration from neighborhood tissues via blood. In this regard, what are the required characteristics of bone grafts to support bone regeneration and vascularization?Osteoporosis is a condition in which the activation of certain signal transduction pathways causes calcium to be removed from bones, leaving them brittle and more likely to break under moderate pressure. Current research suggests that osteoporosis can be initiated under conditions of low cal- cium intake in order to increase the availability of calcium for other biological roles in the body. Which of the following describes the conditions that would be most likely to initiate osteoporosis? A B с D insufficient amounts of calcium to allow the replication of DNA molecules during cell division insufficient amounts of calcium to maintain the membrane potential established by the sodium-potassium pump insufficient amounts of calcium ions to facilitate efficient transduction of neuronal signals insufficient amounts of calcium to be used in the fixation stage of the Krebs cycle in photosynthesis
- Is it possible to get a reduction test before the achromatic point is reached?One of the major promoters of bone remodelling and increased bone thickness is mechanical stress on the bone. Explain this mechanism and give an example.In detail, what is the normal process of osteogenesis for compact and spongy bone using the three different types of bone cells and their functions? Compare the different osteocytes in both compact and spongy cells are affected in osteoporosis. How does organic material like calcium and phosphorus are affected in osteoporosis.?