Musculoskeletal Questions 3

The most important function of cortical bone is to:

Hold collagen
Form a strong dense shell
Carry blood through Haversian canals
Provide a store of P and Ca

Joints do not have the function of:
Allowing movement
Storage
Transmitting force
Allowing growth


What is the defining function of a synovial joint:
Allowing transmitting force
Storage
Allowing growth
Allowing movement, not restricted by specific bones or tissues




The next section refers to the 3 types of bone. Select the correct answers and mark in a group of 3


Diarthrosis
None of the above
Slightly movable
Freely movable
Immovable joint


Synarthrosis
None of the above
Immovable joint
Freely movable
Slightly movable


Amphiarthrosis
Slightly movable
None of the above
Freely movable
Immovable joint


The next section refers to examples of the 3 types of bone. Select the correct answers and mark in a group of 3


Synarthrosis
Skull
None of the above
Hip joint
Intervertebral disks (spine)


Diarthrosis
Skull
Intervertebral disks (spine)
Hip joint
None of the above



Amphiarthrosis
None of the above
Skull
Intervertibral disks (spine)
Hip joint


How many structures are there in a joint?
8
6
5
7


The fluid phase of articular cartilage does not include:
Liquids
Ions
Water
Oil


Chondrocytes do not have:
Lacunae to live in
A blood supply
The ability to occur in nests
The ability to build and maintain cartilage


The surface zone does not contain:
Fibres parallel to the surface
Cell nests
Flattened chondrocytes
Low proteoglycan concentration




Which is not true moving down through cartilage:
Surface zone, Middle zone, Deep zone, Tide mark, Calcified cartilage, Osteochondral junction, Subchondral bone.
Collagen becomes more perpendicular to the surface
Calcification increases
Oxygen increases


Which is not a component of hyaluronic acid:
Disaccharides
Glycosaminoglycan
Water
Keratin sulphate


Which does not contribute to the formation of a bottle brush shaped glycosaminoglycan?:
disaccharide polymerisation
hydrophobic interactions
anchorage to a core protein
-ve charged disaccharides



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