Musculoskeletal Questions 1

Which of the following is not a function of the skeletal system?

Water storage and balance
Fat storage and haemopoeiesis
Calcium and Phosphorous reserve
Support, movement and protection

Which is not a feature of the axial skeleton?
All paired bones
Haemopoeiesis
80 bones (roughly)
Support and protection


The ephyphysial line is found:
Between spongy bone
In the epiphysis
In the diaphysis
In the cranium




Which relationship is incorrect
Medullary cavity - bone marrow
Endosteum - fibrous layer inside the bone
Bone - organ and system
Sharpeys fibres - collagen attachment points


Which is false?
Hydroxyapatite ground substance resists compression
Organic collagen resists tension
None of the above
Torsion requires both types of substance for effective resistance


Which is not a derivative of the same cell line?
Osteoblast
Osteocyte
Osteogenic
Osteoclast




Which is not a cell?
Osteocyte
Osteoid
Osteogenic
Osteoblast


What is not a feature of an oestrogenic cell?
Form periosteum and endosteum
Lacunae
Occur inside canals of compact bone
Normally dormant


Which is an osteoprogenetor cell?
Osteoid
Osteoblast
Osteogenic
Osteocyte




Osteoid is how many percent collagen?
50%
70%
10%
30%


Whose lacunae reabsorb bone?
Ruffled border
Howship
Osteoclast lacunae are unnamed
Haversian



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