Musculoskeletal Questions 1

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

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

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


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




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


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


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




Which is not a cell?
Osteocyte
Osteoblast
Osteoid
Osteogenic


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


Which is an osteoprogenetor cell?
Osteoblast
Osteoid
Osteocyte
Osteogenic




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


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



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