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?
Support and protection
All paired bones
80 bones (roughly)
Haemopoeiesis


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




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


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


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




Which is not a cell?
Osteogenic
Osteocyte
Osteoid
Osteoblast


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


Which is an osteoprogenetor cell?
Osteogenic
Osteocyte
Osteoblast
Osteoid




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


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



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