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1. What is the name of the long processes that eminate from Osteocytes?
- Gap junctions
- Lacunae
- Canaliculi
- Fibrinogen
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2. What is the Periosteum?
- A layer of loose, vascular connective tissue that covers the outer surface of bone (apart from articulating surfaces)
- A layer of dense, vascular connective tissue that covers the outer surface of bone (apart from articulating surfaces)
- A layer of dense, vascular connective tissue that covers the outer surface of bone (including articulating surfaces)
- A layer of dense, vascular connective tissue that makes up the inner layer of bone
3. What two substance make up the extra-cellular bone matrix, and in what approximate ratio?
- Collagen Type II (30%), Hydroxyapatite Crystals (70%)
- Collagen Type II (70%), Hydroxyapatite Crystals (30%)
- Osteoid (30%), Inorganic Minerals (70%)
- Osteoid (70%), Inorganic Minerals (30%)
4. Which of the following best describes immature/woven bone?
- Weak, temporary bone with low mineral contents and disorganised lacing of collagen fibres. Forms the foetal skeleton.
- Strong, permanent bone with high mineral contents and organised lacing of collagen fibres. Forms the adult skeleton.
- Weak, temporary bone with low mineral contents and disorganised lacing of collagen fibres. Forms the adult skeleton.
- Strong, permanent bone with high mineral contents and organised lacing of collagen fibres. Forms the foetal skeleton.
5. True or flase: Bone remodelling is the reorganisation of bone structure by a balanced process of resorption and deposition of ECM?
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