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Bio 203 Sk & Joints
Skeletal systems and joints
| Question | Answer |
|---|---|
| bone remodeling | bone is building or breaking down |
| bone building = deposition by these cells | osteoblasts |
| bone breaking down = resorption by these cells | osteoclasts |
| hip/femoral neck is most common site of this injury | osteoporotic fracture |
| vertebral crush injury in cervical region bwo osteoporitic kyphosis | occurs in the body of this bone (spongy tissue) |
| calcitonin promotes remodelling bwo | taking Ca from blood |
| PTH regulates bone resorption --> | increased Ca in blood |
| fontanels made of mesenchymal cells for | birth and also gives brain room to grow |
| indented fontanel is a sign of | dehydration (bv less water,effects fontanel) |
| bulging fontanel is a sign of | increased blood flow/bp |
| hard palate formed by these 2 bonees | maxilla and palantine |
| cleft palate is lack of fusion between maxila and palantine --> | hole betw oral/nasal cavitity could aspirate into airway, obstructed airway, aspirate pneumonia and/or starvation (because food doesn't go where it needs to go) |
| mandibular fossa, where mandible condyle articulates (of temporal bone) | TMJ (temporal mandibular joint)- when mandibular fossa too shallow |
| osteoarthritis process | articular cartilage wears away, cartilage poorly vascularized, little growth. |
| tx osteoarthritis | *NSAIDs |
| rheumatoid arthritis | destruction of most CT and articular cartilage bwo autoimmune disease (Ab mediated destruction of ligaments, tendons, cartilage) |
Created by:
lorrelaws
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