Musculoskeletal Questions 1

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

Calcium and Phosphorous reserve
Support, movement and protection
Water storage and balance
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 epiphysis
Between spongy bone
In the diaphysis
In the cranium




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


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?
Osteoblast
Osteocyte
Osteogenic
Osteoclast




Which is not a cell?
Osteocyte
Osteogenic
Osteoid
Osteoblast


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


Which is an osteoprogenetor cell?
Osteogenic
Osteoid
Osteocyte
Osteoblast




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


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



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